./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product26.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_product26.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 42f45ece0ee2bf688d36f95591b5c5b71ec40e12 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:10:12,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:10:12,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:10:12,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:10:12,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:10:12,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:10:12,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:10:12,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:10:13,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:10:13,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:10:13,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:10:13,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:10:13,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:10:13,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:10:13,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:10:13,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:10:13,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:10:13,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:10:13,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:10:13,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:10:13,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:10:13,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:10:13,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:10:13,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:10:13,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:10:13,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:10:13,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:10:13,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:10:13,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:10:13,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:10:13,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:10:13,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:10:13,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:10:13,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:10:13,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:10:13,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:10:13,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:10:13,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:10:13,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:10:13,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:10:13,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:10:13,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:10:13,086 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:10:13,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:10:13,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:10:13,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:10:13,088 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:10:13,089 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:10:13,089 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:10:13,089 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:10:13,089 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:10:13,090 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:10:13,090 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:10:13,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:10:13,090 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:10:13,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:10:13,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:10:13,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:10:13,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:10:13,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:10:13,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:10:13,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:10:13,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:10:13,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:10:13,093 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:10:13,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:10:13,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:10:13,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:10:13,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:10:13,094 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:10:13,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:10:13,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:10:13,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:10:13,095 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:10:13,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:10:13,096 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 -> 42f45ece0ee2bf688d36f95591b5c5b71ec40e12 [2020-10-20 07:10:13,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:10:13,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:10:13,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:10:13,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:10:13,327 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:10:13,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2020-10-20 07:10:13,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a587b5790/e28732495eb444c394494542ecfd30ef/FLAGc12b38137 [2020-10-20 07:10:14,024 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:10:14,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2020-10-20 07:10:14,048 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a587b5790/e28732495eb444c394494542ecfd30ef/FLAGc12b38137 [2020-10-20 07:10:14,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a587b5790/e28732495eb444c394494542ecfd30ef [2020-10-20 07:10:14,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:10:14,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:10:14,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:14,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:10:14,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:10:14,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:14" (1/1) ... [2020-10-20 07:10:14,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b16a910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:14, skipping insertion in model container [2020-10-20 07:10:14,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:14" (1/1) ... [2020-10-20 07:10:14,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:10:14,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:10:14,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:15,001 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:10:15,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:15,268 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:10:15,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15 WrapperNode [2020-10-20 07:10:15,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:15,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:15,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:10:15,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:10:15,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:15,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:15,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:15,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:10:15,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:10:15,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:10:15,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:15,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:15,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:15,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:16,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:16,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:16,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (1/1) ... [2020-10-20 07:10:16,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:10:16,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:10:16,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:10:16,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:10:16,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (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 07:10:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:10:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:10:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:10:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:10:27,471 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:10:27,472 INFO L298 CfgBuilder]: Removed 1135 assume(true) statements. [2020-10-20 07:10:27,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:27 BoogieIcfgContainer [2020-10-20 07:10:27,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:10:27,479 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:10:27,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:10:27,483 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:10:27,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:27,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:10:14" (1/3) ... [2020-10-20 07:10:27,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6394f2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:27, skipping insertion in model container [2020-10-20 07:10:27,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:27,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:15" (2/3) ... [2020-10-20 07:10:27,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6394f2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:27, skipping insertion in model container [2020-10-20 07:10:27,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:27,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:27" (3/3) ... [2020-10-20 07:10:27,490 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2020-10-20 07:10:27,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:10:27,540 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:10:27,540 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:10:27,540 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:10:27,540 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:10:27,540 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:10:27,540 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:10:27,541 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:10:27,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4860 states. [2020-10-20 07:10:27,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2020-10-20 07:10:27,789 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:27,789 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:27,812 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 07:10:27,813 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 07:10:27,813 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:10:27,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4860 states. [2020-10-20 07:10:27,884 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2020-10-20 07:10:27,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:27,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:27,888 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 07:10:27,889 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 07:10:27,903 INFO L794 eck$LassoCheckResult]: Stem: 2348#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~string68.base, #t~string68.offset := #Ultimate.allocOnStack(10);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string70.base, #t~string70.offset, 1);call write~init~int(95, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(93, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string72.base, #t~string72.offset, 1);call write~init~int(93, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 3 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string74.base, #t~string74.offset, 1);call write~init~int(97, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(32, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string76.base, #t~string76.offset, 1);call write~init~int(105, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string80.base, #t~string80.offset, 1);call write~init~int(112, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 2 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string82.base, #t~string82.offset, 1);call write~init~int(111, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(119, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(110, #t~string82.base, 3 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 4 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(73, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(76, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(95, #t~string84.base, 3 + #t~string84.offset, 1);call write~init~int(112, #t~string84.base, 4 + #t~string84.offset, 1);call write~init~int(58, #t~string84.base, 5 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 6 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(37, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(105, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 3 + #t~string90.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string94.base, #t~string94.offset, 1);call write~init~int(37, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(105, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 3 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(70, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 5 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(37, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(105, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string113.base, #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 1 + #t~string113.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(30);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(9);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(30);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(9);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(21);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(30);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(9);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(25);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(30);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(9);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 12;~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;~head~0.base, ~head~0.offset := 0, 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 3638#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; 1086#L2451true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 621#L2459true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 2657#L391true assume 0 != main_~tmp~8; 4809#L360true ~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; 1812#L3140true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~16;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~16; 2693#L1976true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~16 := 4;getOrigin_#res := getOrigin_~retValue_acc~16; 506#L2001true 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; 3663#L2817true assume 0 == initPersonOnFloor_~floor; 3856#L2818true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 2390#L2925-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1867#L2609true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 171#L2621-2true 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~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1622#L676true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 430#L1559true assume 0 != timeShift_~tmp~19; 526#L1560true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3085#L1263-11true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1887#L667true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4344#L3185true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4082#L3186true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1625#L676-1true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 2522#L3190true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1147#L3245true cleanup_~i~0 := 0; 4326#L190-2true [2020-10-20 07:10:27,904 INFO L796 eck$LassoCheckResult]: Loop: 4326#L190-2true assume !false; 4104#L191true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 2409#L194true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~2;havoc isBlocked_~retValue_acc~2;isBlocked_~retValue_acc~2 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~2; 1294#L489true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 2340#L198true assume 1 != cleanup_~tmp___0~0; 2336#L198-1true havoc isIdle_#res;havoc isIdle_#t~ret29, isIdle_~retValue_acc~9, isIdle_~tmp~13;havoc isIdle_~retValue_acc~9;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret24, anyStopRequested_#t~ret25, anyStopRequested_#t~ret26, anyStopRequested_#t~ret27, anyStopRequested_#t~ret28, anyStopRequested_~retValue_acc~8, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~8;havoc anyStopRequested_~tmp~12;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~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 603#L2546-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 2292#L2573-42true anyStopRequested_#t~ret24 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret24;havoc anyStopRequested_#t~ret24; 11#L775true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~8 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~8; 1361#L839true isIdle_#t~ret29 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret29;havoc isIdle_#t~ret29;isIdle_~retValue_acc~9 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~9; 1637#L852true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 2758#L210true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret67, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1730#L676-6true timeShift_#t~ret67 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret67;havoc timeShift_#t~ret67; 438#L1559-1true assume 0 != timeShift_~tmp~19; 531#L1560-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3066#L1263-23true havoc __utac_acc__Specification2_spec__3_#t~ret154, __utac_acc__Specification2_spec__3_#t~ret155, __utac_acc__Specification2_spec__3_#t~ret156, __utac_acc__Specification2_spec__3_#t~ret157, __utac_acc__Specification2_spec__3_#t~ret158, __utac_acc__Specification2_spec__3_#t~ret159, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1888#L667-1true __utac_acc__Specification2_spec__3_#t~ret154 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret154;havoc __utac_acc__Specification2_spec__3_#t~ret154;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4339#L3185-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4091#L3186-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1731#L676-7true __utac_acc__Specification2_spec__3_#t~ret155 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret155;havoc __utac_acc__Specification2_spec__3_#t~ret155; 2493#L3190-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1159#L3245-1true cleanup_~i~0 := 1 + cleanup_~i~0; 4326#L190-2true [2020-10-20 07:10:27,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:27,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1323712467, now seen corresponding path program 1 times [2020-10-20 07:10:27,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:27,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408010204] [2020-10-20 07:10:27,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:28,292 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 07:10:28,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408010204] [2020-10-20 07:10:28,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:10:28,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:10:28,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937949381] [2020-10-20 07:10:28,301 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:10:28,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:28,302 INFO L82 PathProgramCache]: Analyzing trace with hash 2119774427, now seen corresponding path program 1 times [2020-10-20 07:10:28,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:28,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483698394] [2020-10-20 07:10:28,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:28,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:28,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:28,402 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:10:29,172 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-20 07:10:29,454 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-20 07:10:29,468 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:29,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:29,470 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:29,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:29,471 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:10:29,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:29,471 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:29,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:29,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2020-10-20 07:10:29,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:29,472 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:29,501 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 07:10:29,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:29,513 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 07:10:29,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:29,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:29,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:29,553 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 07:10:29,559 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 07:10:29,571 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 07:10:29,577 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 07:10:29,582 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 07:10:29,587 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 07:10:29,591 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 07:10:29,595 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 07:10:29,612 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 07:10:29,618 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 07:10:29,624 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 07:10:29,628 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 07:10:29,634 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 07:10:29,637 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 07:10:29,640 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 07:10:29,643 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 07:10:29,646 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 07:10:29,656 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 07:10:29,662 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 07:10:29,667 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 07:10:29,691 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 07:10:29,696 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 07:10:29,713 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 07:10:29,716 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 07:10:29,719 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 07:10:29,731 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 07:10:29,736 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 07:10:29,740 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 07:10:29,745 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 07:10:30,475 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:30,477 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 07:10:30,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:30,491 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 07:10:30,502 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:30,503 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#t~ret29=0} Honda state: {ULTIMATE.start_isIdle_#t~ret29=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) [2020-10-20 07:10:30,556 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:30,556 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:30,560 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:30,561 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=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) [2020-10-20 07:10:30,634 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:30,635 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:30,651 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:30,651 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=2, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=2, ULTIMATE.start_timeShift_~tmp~19=2, ~doorState~0=2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=2} Honda state: {ULTIMATE.start_areDoorsOpen_#res=2, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=2, ULTIMATE.start_timeShift_~tmp~19=2, ~doorState~0=2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=2} 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:30,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:30,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:30,725 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:30,725 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=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 07:10:30,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:30,773 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:30,839 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:10:30,840 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,803 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:10:31,805 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:31,806 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:31,806 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:31,806 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:31,806 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:10:31,806 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:31,806 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:31,806 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:31,807 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2020-10-20 07:10:31,807 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:31,807 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:31,813 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 07:10:31,821 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 07:10:31,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,838 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 07:10:31,842 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 07:10:31,852 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 07:10:31,855 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 07:10:31,864 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 07:10:31,868 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 07:10:31,875 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 07:10:31,879 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 07:10:31,882 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 07:10:31,885 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 07:10:31,888 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 07:10:31,890 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 07:10:31,893 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 07:10:31,896 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 07:10:31,899 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 07:10:31,902 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 07:10:31,905 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 07:10:31,908 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 07:10:31,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,930 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 07:10:31,933 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 07:10:31,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,950 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 07:10:31,953 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 07:10:31,956 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 07:10:31,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:31,972 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 07:10:31,978 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 07:10:31,982 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 07:10:31,985 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 07:10:31,988 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 07:10:32,524 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:32,530 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:32,536 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 07:10:32,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:32,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:32,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:32,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:32,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:32,543 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:32,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:32,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:32,598 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 07:10:32,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:32,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:32,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:32,601 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:10:32,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:32,606 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:10:32,607 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 07:10:32,613 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:32,652 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 07:10:32,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:32,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:32,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:32,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:32,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:32,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:32,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:10:32,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:32,696 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 07:10:32,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:32,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:32,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:32,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:32,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:32,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:32,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:10:32,707 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) [2020-10-20 07:10:32,748 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 07:10:32,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:32,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:32,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:32,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:32,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:32,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:32,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:32,774 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:10:32,808 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:10:32,809 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:32,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:10:32,824 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:10:32,824 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:10:32,825 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 [] [2020-10-20 07:10:32,857 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:10:32,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:33,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:10:33,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:33,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:10:33,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:33,211 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 07:10:33,231 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 07:10:33,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4860 states. Second operand 5 states. [2020-10-20 07:10:33,825 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4860 states.. Second operand 5 states. Result 7337 states and 13837 transitions. Complement of second has 9 states. [2020-10-20 07:10:33,826 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 07:10:33,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:10:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9232 transitions. [2020-10-20 07:10:33,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9232 transitions. Stem has 24 letters. Loop has 22 letters. [2020-10-20 07:10:33,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9232 transitions. Stem has 46 letters. Loop has 22 letters. [2020-10-20 07:10:33,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9232 transitions. Stem has 24 letters. Loop has 44 letters. [2020-10-20 07:10:33,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:10:33,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7337 states and 13837 transitions. [2020-10-20 07:10:33,961 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7337 states to 0 states and 0 transitions. [2020-10-20 07:10:33,966 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:10:33,966 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:10:33,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:10:33,968 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,968 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:10:33,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:10:33,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:10:33,974 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:10:33,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:10:33,977 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:10:33,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:10:33,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,979 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:10:33,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:10:33,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:10:33,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:10:33,980 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,980 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,980 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:10:33,980 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:10:33,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:10:33,980 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:10:33,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:10:33,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:10:33 BoogieIcfgContainer [2020-10-20 07:10:33,988 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:10:33,988 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:10:33,988 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:10:33,989 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:10:33,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:27" (3/4) ... [2020-10-20 07:10:33,993 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:10:33,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:10:33,995 INFO L168 Benchmark]: Toolchain (without parser) took 19765.94 ms. Allocated memory was 35.7 MB in the beginning and 180.9 MB in the end (delta: 145.2 MB). Free memory was 13.5 MB in the beginning and 11.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 146.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,996 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 65.7 kB). Peak memory consumption was 65.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1036.98 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 12.5 MB in the beginning and 24.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:33,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 526.54 ms. Allocated memory was 46.7 MB in the beginning and 58.7 MB in the end (delta: 12.1 MB). Free memory was 24.5 MB in the beginning and 16.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:34,000 INFO L168 Benchmark]: Boogie Preprocessor took 747.01 ms. Allocated memory was 58.7 MB in the beginning and 82.3 MB in the end (delta: 23.6 MB). Free memory was 16.6 MB in the beginning and 23.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:34,001 INFO L168 Benchmark]: RCFGBuilder took 10931.42 ms. Allocated memory was 82.3 MB in the beginning and 152.6 MB in the end (delta: 70.3 MB). Free memory was 23.7 MB in the beginning and 27.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:34,002 INFO L168 Benchmark]: BuchiAutomizer took 6508.44 ms. Allocated memory was 152.6 MB in the beginning and 180.9 MB in the end (delta: 28.3 MB). Free memory was 27.8 MB in the beginning and 11.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:10:34,002 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 180.9 MB. Free memory is still 11.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:10:34,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.7 MB in the end (delta: 65.7 kB). Peak memory consumption was 65.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1036.98 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 12.5 MB in the beginning and 24.5 MB in the end (delta: -12.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 526.54 ms. Allocated memory was 46.7 MB in the beginning and 58.7 MB in the end (delta: 12.1 MB). Free memory was 24.5 MB in the beginning and 16.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 747.01 ms. Allocated memory was 58.7 MB in the beginning and 82.3 MB in the end (delta: 23.6 MB). Free memory was 16.6 MB in the beginning and 23.7 MB in the end (delta: -7.1 MB). Peak memory consumption was 26.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 10931.42 ms. Allocated memory was 82.3 MB in the beginning and 152.6 MB in the end (delta: 70.3 MB). Free memory was 23.7 MB in the beginning and 27.8 MB in the end (delta: -4.1 MB). Peak memory consumption was 95.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 6508.44 ms. Allocated memory was 152.6 MB in the beginning and 180.9 MB in the end (delta: 28.3 MB). Free memory was 27.8 MB in the beginning and 11.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 44.3 MB. Max. memory is 14.3 GB. * Witness Printer took 5.10 ms. Allocated memory is still 180.9 MB. Free memory is still 11.8 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 6.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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: 9193 SDtfs, 18352 SDslu, 4613 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: 33ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...