./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec2_product30.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_product30.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 7135aa9bcb4d0863da766b31707d8b135c7e37b7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:10:26,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:10:26,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:10:26,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:10:26,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:10:26,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:10:26,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:10:26,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:10:26,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:10:26,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:10:26,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:10:26,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:10:26,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:10:26,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:10:26,207 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:10:26,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:10:26,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:10:26,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:10:26,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:10:26,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:10:26,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:10:26,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:10:26,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:10:26,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:10:26,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:10:26,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:10:26,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:10:26,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:10:26,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:10:26,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:10:26,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:10:26,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:10:26,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:10:26,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:10:26,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:10:26,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:10:26,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:10:26,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:10:26,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:10:26,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:10:26,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:10:26,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:10:26,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:10:26,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:10:26,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:10:26,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:10:26,304 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:10:26,305 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:10:26,305 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:10:26,305 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:10:26,305 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:10:26,306 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:10:26,307 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:10:26,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:10:26,307 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:10:26,308 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:10:26,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:10:26,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:10:26,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:10:26,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:10:26,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:10:26,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:10:26,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:10:26,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:10:26,310 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:10:26,310 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:10:26,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:10:26,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:10:26,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:10:26,311 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:10:26,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:10:26,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:10:26,312 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:10:26,312 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:10:26,314 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:10:26,314 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 -> 7135aa9bcb4d0863da766b31707d8b135c7e37b7 [2020-10-20 07:10:26,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:10:26,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:10:26,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:10:26,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:10:26,549 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:10:26,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec2_product30.cil.c [2020-10-20 07:10:26,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d88d028b/f89a0217329c42d1ad10f359227185fc/FLAG44882af64 [2020-10-20 07:10:27,212 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:10:27,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec2_product30.cil.c [2020-10-20 07:10:27,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d88d028b/f89a0217329c42d1ad10f359227185fc/FLAG44882af64 [2020-10-20 07:10:27,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d88d028b/f89a0217329c42d1ad10f359227185fc [2020-10-20 07:10:27,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:10:27,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:10:27,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:27,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:10:27,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:10:27,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:27" (1/1) ... [2020-10-20 07:10:27,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2e57fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:27, skipping insertion in model container [2020-10-20 07:10:27,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:10:27" (1/1) ... [2020-10-20 07:10:27,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:10:27,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:10:28,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:28,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:10:28,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:10:28,475 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:10:28,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28 WrapperNode [2020-10-20 07:10:28,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:10:28,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:28,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:10:28,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:10:28,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:28,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:29,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:10:29,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:10:29,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:10:29,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:10:29,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:29,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:29,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:29,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:29,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:30,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:30,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (1/1) ... [2020-10-20 07:10:30,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:10:30,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:10:30,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:10:30,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:10:30,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (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 07:10:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:10:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:10:30,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:10:30,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:10:42,712 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:10:42,714 INFO L298 CfgBuilder]: Removed 1575 assume(true) statements. [2020-10-20 07:10:42,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:42 BoogieIcfgContainer [2020-10-20 07:10:42,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:10:42,724 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:10:42,724 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:10:42,728 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:10:42,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:42,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:10:27" (1/3) ... [2020-10-20 07:10:42,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c07df05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:42, skipping insertion in model container [2020-10-20 07:10:42,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:42,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:10:28" (2/3) ... [2020-10-20 07:10:42,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c07df05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:10:42, skipping insertion in model container [2020-10-20 07:10:42,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:10:42,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:42" (3/3) ... [2020-10-20 07:10:42,736 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product30.cil.c [2020-10-20 07:10:42,787 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:10:42,788 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:10:42,788 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:10:42,788 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:10:42,788 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:10:42,788 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:10:42,789 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:10:42,789 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:10:42,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-20 07:10:43,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-20 07:10:43,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:43,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:43,716 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 07:10:43,717 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 07:10:43,717 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:10:43,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-20 07:10:43,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-20 07:10:43,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:10:43,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:10:43,808 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 07:10:43,808 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 07:10:43,817 INFO L794 eck$LassoCheckResult]: Stem: 2201#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~string88.base, #t~string88.offset := #Ultimate.allocOnStack(10);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string90.base, #t~string90.offset, 1);call write~init~int(95, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(93, #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(91, #t~string92.base, #t~string92.offset, 1);call write~init~int(93, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(32, #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(5);call write~init~int(32, #t~string94.base, #t~string94.offset, 1);call write~init~int(97, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(116, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(32, #t~string94.base, 3 + #t~string94.offset, 1);call write~init~int(0, #t~string94.base, 4 + #t~string94.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string96.base, #t~string96.offset, 1);call write~init~int(105, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 2 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string100.base, #t~string100.offset, 1);call write~init~int(112, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 2 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string102.base, #t~string102.offset, 1);call write~init~int(111, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(119, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(110, #t~string102.base, 3 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 4 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(73, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(76, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(95, #t~string104.base, 3 + #t~string104.offset, 1);call write~init~int(112, #t~string104.base, 4 + #t~string104.offset, 1);call write~init~int(58, #t~string104.base, 5 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 6 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string106.base, #t~string106.offset, 1);call write~init~int(37, #t~string106.base, 1 + #t~string106.offset, 1);call write~init~int(105, #t~string106.base, 2 + #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 3 + #t~string106.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~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string110.base, #t~string110.offset, 1);call write~init~int(37, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(105, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(37, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(105, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string114.base, #t~string114.offset, 1);call write~init~int(37, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 2 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 3 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string116.base, #t~string116.offset, 1);call write~init~int(70, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(95, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(112, #t~string116.base, 3 + #t~string116.offset, 1);call write~init~int(58, #t~string116.base, 4 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 5 + #t~string116.offset, 1);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string119.base, #t~string119.offset, 1);call write~init~int(37, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(105, #t~string119.base, 2 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 3 + #t~string119.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(37, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(105, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 3 + #t~string122.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string133.base, #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 1 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(9);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(30);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(9);call #t~string158.base, #t~string158.offset := #Ultimate.allocOnStack(21);call #t~string159.base, #t~string159.offset := #Ultimate.allocOnStack(30);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(9);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(21);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(30);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(9);call #t~string167.base, #t~string167.offset := #Ultimate.allocOnStack(25);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(30);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(9);call #t~string170.base, #t~string170.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~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;~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; 6433#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~8;havoc main_~retValue_acc~4;havoc main_~tmp~8; 2868#L1318true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 2656#L1326true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 3200#L511true assume 0 != main_~tmp~8; 4179#L480true ~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; 2422#L1359true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 2701#L87true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 2123#L112true 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; 2240#L988true assume 0 == initPersonOnFloor_~floor; 2187#L989true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1381#L1096-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 686#L780true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 2753#L792-2true 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~ret87, timeShift_~tmp~24;havoc timeShift_~tmp~24;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 5298#L1782true timeShift_#t~ret87 := areDoorsOpen_#res;timeShift_~tmp~24 := timeShift_#t~ret87;havoc timeShift_#t~ret87; 2717#L2731true assume 0 != timeShift_~tmp~24; 2669#L2732true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2585#L2408-11true havoc __utac_acc__Specification2_spec__3_#t~ret28, __utac_acc__Specification2_spec__3_#t~ret29, __utac_acc__Specification2_spec__3_#t~ret30, __utac_acc__Specification2_spec__3_#t~ret31, __utac_acc__Specification2_spec__3_#t~ret32, __utac_acc__Specification2_spec__3_#t~ret33, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~11, __utac_acc__Specification2_spec__3_~tmp___0~4, __utac_acc__Specification2_spec__3_~tmp___1~3, __utac_acc__Specification2_spec__3_~tmp___2~1, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~11;havoc __utac_acc__Specification2_spec__3_~tmp___0~4;havoc __utac_acc__Specification2_spec__3_~tmp___1~3;havoc __utac_acc__Specification2_spec__3_~tmp___2~1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 6861#L1773-2true __utac_acc__Specification2_spec__3_#t~ret28 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~11 := __utac_acc__Specification2_spec__3_#t~ret28;havoc __utac_acc__Specification2_spec__3_#t~ret28;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~11; 3585#L1404true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 6500#L1405true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 5304#L1782-1true __utac_acc__Specification2_spec__3_#t~ret29 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret29;havoc __utac_acc__Specification2_spec__3_#t~ret29; 6482#L1409true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1822#L1464true cleanup_~i~0 := 0; 4089#L310-2true [2020-10-20 07:10:43,818 INFO L796 eck$LassoCheckResult]: Loop: 4089#L310-2true assume !false; 4044#L311true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 3900#L314true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~10;havoc isBlocked_~retValue_acc~10;isBlocked_~retValue_acc~10 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~10; 6880#L1596true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 4404#L318true assume 1 != cleanup_~tmp___0~0; 4409#L318-1true havoc isIdle_#res;havoc isIdle_#t~ret42, isIdle_~retValue_acc~17, isIdle_~tmp~16;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~16;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret37, anyStopRequested_#t~ret38, anyStopRequested_#t~ret39, anyStopRequested_#t~ret40, anyStopRequested_#t~ret41, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~15, anyStopRequested_~tmp___0~5, anyStopRequested_~tmp___1~4, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~15;havoc anyStopRequested_~tmp___0~5;havoc anyStopRequested_~tmp___1~4;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~5;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~5; 6707#L717-122true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~5 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~5; 1233#L744-122true anyStopRequested_#t~ret37 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret37;havoc anyStopRequested_#t~ret37; 2498#L1881true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 6893#L1945true isIdle_#t~ret42 := anyStopRequested_#res;isIdle_~tmp~16 := isIdle_#t~ret42;havoc isIdle_#t~ret42;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~16 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 5309#L1958true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 3376#L330true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret87, timeShift_~tmp~24;havoc timeShift_~tmp~24;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 5289#L1782-6true timeShift_#t~ret87 := areDoorsOpen_#res;timeShift_~tmp~24 := timeShift_#t~ret87;havoc timeShift_#t~ret87; 2718#L2731-1true assume 0 != timeShift_~tmp~24; 2670#L2732-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 2584#L2408-23true havoc __utac_acc__Specification2_spec__3_#t~ret28, __utac_acc__Specification2_spec__3_#t~ret29, __utac_acc__Specification2_spec__3_#t~ret30, __utac_acc__Specification2_spec__3_#t~ret31, __utac_acc__Specification2_spec__3_#t~ret32, __utac_acc__Specification2_spec__3_#t~ret33, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~11, __utac_acc__Specification2_spec__3_~tmp___0~4, __utac_acc__Specification2_spec__3_~tmp___1~3, __utac_acc__Specification2_spec__3_~tmp___2~1, __utac_acc__Specification2_spec__3_~tmp___3~0, __utac_acc__Specification2_spec__3_~tmp___4~0;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~11;havoc __utac_acc__Specification2_spec__3_~tmp___0~4;havoc __utac_acc__Specification2_spec__3_~tmp___1~3;havoc __utac_acc__Specification2_spec__3_~tmp___2~1;havoc __utac_acc__Specification2_spec__3_~tmp___3~0;havoc __utac_acc__Specification2_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 6765#L1773-5true __utac_acc__Specification2_spec__3_#t~ret28 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~11 := __utac_acc__Specification2_spec__3_#t~ret28;havoc __utac_acc__Specification2_spec__3_#t~ret28;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~11; 3586#L1404-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 6501#L1405-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 5287#L1782-7true __utac_acc__Specification2_spec__3_#t~ret29 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~0 := __utac_acc__Specification2_spec__3_#t~ret29;havoc __utac_acc__Specification2_spec__3_#t~ret29; 6483#L1409-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~0;~floorButtons_spc2_0~0 := 0; 1824#L1464-1true cleanup_~i~0 := 1 + cleanup_~i~0; 4089#L310-2true [2020-10-20 07:10:43,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:43,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1107775881, now seen corresponding path program 1 times [2020-10-20 07:10:43,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:43,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998418216] [2020-10-20 07:10:43,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:44,210 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 07:10:44,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998418216] [2020-10-20 07:10:44,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:10:44,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:10:44,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688336581] [2020-10-20 07:10:44,220 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:10:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:44,221 INFO L82 PathProgramCache]: Analyzing trace with hash -2114326345, now seen corresponding path program 1 times [2020-10-20 07:10:44,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:10:44,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872897008] [2020-10-20 07:10:44,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:10:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:44,249 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:10:44,276 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:10:44,322 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:10:44,678 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2020-10-20 07:10:44,954 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2020-10-20 07:10:44,971 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:44,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:44,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:44,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:44,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:10:44,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:44,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:44,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:44,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product30.cil.c_Iteration1_Loop [2020-10-20 07:10:44,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:44,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:45,007 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 07:10:45,017 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 07:10:45,034 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 07:10:45,042 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 07:10:45,045 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 07:10:45,076 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 07:10:45,079 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 07:10:45,081 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 07:10:45,084 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 07:10:45,086 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 07:10:45,089 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 07:10:45,098 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 07:10:45,104 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 07:10:45,116 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 07:10:45,118 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 07:10:45,121 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 07:10:45,123 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 07:10:45,126 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 07:10:45,129 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 07:10:45,132 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 07:10:45,135 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 07:10:45,142 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 07:10:45,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:45,147 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 07:10:45,149 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 07:10:45,156 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 07:10:45,158 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 07:10:45,162 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 07:10:45,164 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 07:10:45,168 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 07:10:45,170 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 07:10:45,173 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 07:10:45,176 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 07:10:45,178 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 07:10:45,181 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 07:10:45,635 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:45,636 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:45,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:45,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:10:45,659 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:10:45,659 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:45,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:10:45,687 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 07:10:45,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:10:45,752 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 07:10:57,814 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-20 07:10:57,817 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:10:57,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:10:57,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:10:57,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:10:57,818 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:10:57,818 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:57,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:10:57,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:10:57,818 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product30.cil.c_Iteration1_Loop [2020-10-20 07:10:57,818 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:10:57,819 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:10:57,822 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 07:10:57,828 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 07:10:57,843 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 07:10:57,845 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 07:10:57,856 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 07:10:57,867 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 07:10:57,869 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 07:10:57,871 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 07:10:57,887 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 07:10:57,891 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 07:10:57,892 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 07:10:57,897 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 07:10:57,899 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 07:10:57,901 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 07:10:57,909 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 07:10:57,911 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 07:10:57,922 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 07:10:57,925 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 07:10:57,927 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 07:10:57,930 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 07:10:57,933 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 07:10:57,936 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 07:10:57,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:57,942 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 07:10:57,945 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 07:10:57,952 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 07:10:57,959 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 07:10:57,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:10:57,964 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 07:10:57,968 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 07:10:57,971 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 07:10:57,974 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 07:10:57,977 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 07:10:57,980 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 07:10:57,983 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 07:10:58,427 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:10:58,433 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:58,438 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 07:10:58,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:58,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:58,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:58,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:58,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:58,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:58,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:58,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:58,490 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 07:10:58,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:58,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:58,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:58,493 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:10:58,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:58,497 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:10:58,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:58,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:58,552 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 07:10:58,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:58,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:58,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:58,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:58,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:58,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:58,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:58,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:10:58,617 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 07:10:58,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:10:58,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:10:58,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:10:58,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:10:58,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:10:58,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:10:58,622 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 07:10:58,626 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:10:58,633 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:10:58,633 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:10:58,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:10:58,643 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:10:58,643 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:10:58,644 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 07:10:58,692 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:10:58,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:10:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:58,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:10:58,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:10:59,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:10:59,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:10:59,108 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 07:10:59,130 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 07:10:59,132 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6968 states. Second operand 5 states. [2020-10-20 07:11:00,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6968 states.. Second operand 5 states. Result 10499 states and 19831 transitions. Complement of second has 9 states. [2020-10-20 07:11:00,082 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 07:11:00,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:11:00,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13228 transitions. [2020-10-20 07:11:00,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13228 transitions. Stem has 24 letters. Loop has 22 letters. [2020-10-20 07:11:00,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:11:00,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13228 transitions. Stem has 46 letters. Loop has 22 letters. [2020-10-20 07:11:00,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:11:00,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13228 transitions. Stem has 24 letters. Loop has 44 letters. [2020-10-20 07:11:00,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:11:00,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10499 states and 19831 transitions. [2020-10-20 07:11:00,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:11:00,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10499 states to 0 states and 0 transitions. [2020-10-20 07:11:00,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:11:00,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:11:00,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:11:00,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:11:00,902 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:11:00,902 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:11:00,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:11:00,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:11:00,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:11:00,908 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:11:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:11:00,912 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:11:00,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:11:00,912 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:11:00,913 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:11:00,913 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:11:00,913 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:11:00,913 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:11:00,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:11:00,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:11:00,914 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:11:00,914 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:11:00,914 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:11:00,914 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:11:00,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:11:00,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:11:00,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:11:00,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:11:00 BoogieIcfgContainer [2020-10-20 07:11:00,924 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:11:00,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:11:00,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:11:00,926 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:11:00,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:10:42" (3/4) ... [2020-10-20 07:11:00,930 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:11:00,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:11:00,933 INFO L168 Benchmark]: Toolchain (without parser) took 33501.98 ms. Allocated memory was 35.1 MB in the beginning and 269.5 MB in the end (delta: 234.4 MB). Free memory was 10.0 MB in the beginning and 105.4 MB in the end (delta: -95.4 MB). Peak memory consumption was 139.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,935 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 43.5 kB). Peak memory consumption was 43.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1041.47 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 9.2 MB in the beginning and 17.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 613.23 ms. Allocated memory was 46.1 MB in the beginning and 63.4 MB in the end (delta: 17.3 MB). Free memory was 17.0 MB in the beginning and 11.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,940 INFO L168 Benchmark]: Boogie Preprocessor took 1586.71 ms. Allocated memory was 63.4 MB in the beginning and 132.1 MB in the end (delta: 68.7 MB). Free memory was 11.7 MB in the beginning and 55.3 MB in the end (delta: -43.5 MB). Peak memory consumption was 52.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,945 INFO L168 Benchmark]: RCFGBuilder took 12044.66 ms. Allocated memory was 132.1 MB in the beginning and 203.4 MB in the end (delta: 71.3 MB). Free memory was 55.3 MB in the beginning and 59.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 118.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,946 INFO L168 Benchmark]: BuchiAutomizer took 18201.08 ms. Allocated memory was 203.4 MB in the beginning and 269.5 MB in the end (delta: 66.1 MB). Free memory was 59.4 MB in the beginning and 105.4 MB in the end (delta: -46.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:11:00,947 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 269.5 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:11:00,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 19.2 MB in the beginning and 19.2 MB in the end (delta: 43.5 kB). Peak memory consumption was 43.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1041.47 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 9.2 MB in the beginning and 17.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 613.23 ms. Allocated memory was 46.1 MB in the beginning and 63.4 MB in the end (delta: 17.3 MB). Free memory was 17.0 MB in the beginning and 11.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 27.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 1586.71 ms. Allocated memory was 63.4 MB in the beginning and 132.1 MB in the end (delta: 68.7 MB). Free memory was 11.7 MB in the beginning and 55.3 MB in the end (delta: -43.5 MB). Peak memory consumption was 52.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 12044.66 ms. Allocated memory was 132.1 MB in the beginning and 203.4 MB in the end (delta: 71.3 MB). Free memory was 55.3 MB in the beginning and 59.4 MB in the end (delta: -4.2 MB). Peak memory consumption was 118.8 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 18201.08 ms. Allocated memory was 203.4 MB in the beginning and 269.5 MB in the end (delta: 66.1 MB). Free memory was 59.4 MB in the beginning and 105.4 MB in the end (delta: -46.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 14.3 GB. * Witness Printer took 5.18 ms. Allocated memory is still 269.5 MB. Free memory is still 105.4 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 18.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 14.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. 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 0.7s 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: 13189 SDtfs, 26344 SDslu, 6611 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: 23ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...