./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec1_product19.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_spec1_product19.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 8cd8571d46f9e492a1af8c9b9c84adf46e3a30aa ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 07:08:32,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:08:32,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:08:32,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:08:32,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:08:32,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:08:32,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:08:32,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:08:32,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:08:32,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:08:32,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:08:32,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:08:32,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:08:32,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:08:32,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:08:32,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:08:32,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:08:32,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:08:32,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:08:32,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:08:32,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:08:32,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:08:32,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:08:32,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:08:32,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:08:32,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:08:32,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:08:32,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:08:32,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:08:32,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:08:32,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:08:32,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:08:32,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:08:32,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:08:32,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:08:32,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:08:32,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:08:32,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:08:32,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:08:32,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:08:32,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:08:32,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:08:32,175 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:08:32,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:08:32,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:08:32,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:08:32,177 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:08:32,177 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:08:32,178 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:08:32,178 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:08:32,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:08:32,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:08:32,179 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:08:32,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:08:32,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:08:32,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:08:32,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:08:32,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:08:32,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:08:32,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:08:32,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:08:32,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:08:32,181 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:08:32,181 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:08:32,182 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:08:32,182 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:08:32,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:08:32,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:08:32,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:08:32,183 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:08:32,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:08:32,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:08:32,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:08:32,184 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:08:32,185 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:08:32,185 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 -> 8cd8571d46f9e492a1af8c9b9c84adf46e3a30aa [2020-10-20 07:08:32,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:08:32,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:08:32,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:08:32,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:08:32,410 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:08:32,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2020-10-20 07:08:32,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481f6070c/2ba6598d3adb467e9269e96134db63f2/FLAG6779d6ab4 [2020-10-20 07:08:33,160 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:08:33,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec1_product19.cil.c [2020-10-20 07:08:33,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481f6070c/2ba6598d3adb467e9269e96134db63f2/FLAG6779d6ab4 [2020-10-20 07:08:33,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/481f6070c/2ba6598d3adb467e9269e96134db63f2 [2020-10-20 07:08:33,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:08:33,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:08:33,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:08:33,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:08:33,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:08:33,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:08:33" (1/1) ... [2020-10-20 07:08:33,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a2e08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:33, skipping insertion in model container [2020-10-20 07:08:33,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:08:33" (1/1) ... [2020-10-20 07:08:33,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:08:33,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:08:34,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:08:34,173 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:08:34,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:08:34,415 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:08:34,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34 WrapperNode [2020-10-20 07:08:34,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:08:34,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:08:34,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:08:34,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:08:34,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:08:34,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:08:34,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:08:34,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:08:34,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:34,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:35,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:35,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (1/1) ... [2020-10-20 07:08:35,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:08:35,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:08:35,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:08:35,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:08:35,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (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 07:08:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:08:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:08:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:08:35,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:08:40,703 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:08:40,703 INFO L298 CfgBuilder]: Removed 611 assume(true) statements. [2020-10-20 07:08:40,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:08:40 BoogieIcfgContainer [2020-10-20 07:08:40,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:08:40,708 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:08:40,709 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:08:40,712 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:08:40,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:08:40,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:08:33" (1/3) ... [2020-10-20 07:08:40,714 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b4fae9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:08:40, skipping insertion in model container [2020-10-20 07:08:40,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:08:40,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:08:34" (2/3) ... [2020-10-20 07:08:40,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b4fae9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:08:40, skipping insertion in model container [2020-10-20 07:08:40,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:08:40,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:08:40" (3/3) ... [2020-10-20 07:08:40,717 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec1_product19.cil.c [2020-10-20 07:08:40,764 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:08:40,764 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:08:40,764 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:08:40,764 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:08:40,764 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:08:40,765 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:08:40,765 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:08:40,765 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:08:40,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2495 states. [2020-10-20 07:08:40,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1205 [2020-10-20 07:08:40,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:08:40,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:08:40,950 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:40,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:40,951 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:08:40,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2495 states. [2020-10-20 07:08:40,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1205 [2020-10-20 07:08:40,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:08:40,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:08:40,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:40,997 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:41,020 INFO L794 eck$LassoCheckResult]: Stem: 524#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~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string82.base, #t~string82.offset, 1);call write~init~int(95, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(93, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string84.base, #t~string84.offset, 1);call write~init~int(93, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(32, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(97, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(116, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(32, #t~string86.base, 3 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 4 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string88.base, #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 2 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string92.base, #t~string92.offset, 1);call write~init~int(112, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 2 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string94.base, #t~string94.offset, 1);call write~init~int(111, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(119, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(110, #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(7);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(73, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(76, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 5 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 6 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string100.base, #t~string100.offset, 1);call write~init~int(37, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #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(6);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(70, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 5 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~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~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string125.base, #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 1 + #t~string125.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(21);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(30);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(9);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(25);~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;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~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; 1569#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~7, main_~tmp~8;havoc main_~retValue_acc~7;havoc main_~tmp~8; 1485#L1234true 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; 2242#L1242true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 2229#L1198true assume 0 != main_~tmp~8; 251#L1168true ~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 843#L1267true 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; 1834#L103true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 1712#L128true 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; 1867#L543true assume 0 == initPersonOnFloor_~floor; 1818#L544true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 837#L651-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 1787#L1274true assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 2226#L1286-2true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 752#L347-2true havoc angelinaCall_#t~ret10, angelinaCall_~tmp~2;havoc angelinaCall_~tmp~2;getOrigin_#in~person := 2;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 1832#L103-1true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 1711#L128-1true angelinaCall_#t~ret10 := getOrigin_#res;angelinaCall_~tmp~2 := angelinaCall_#t~ret10;havoc angelinaCall_#t~ret10;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 2, angelinaCall_~tmp~2;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1852#L543-1true assume 0 == initPersonOnFloor_~floor; 1971#L544-2true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 825#L651-3true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 1775#L1274-2true assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 2232#L1286-5true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 759#L347-5true 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~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 1546#L267true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 1277#L294true isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 720#L2944true stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 754#L2329true assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 1215#L1660true stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 1573#L2333true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 2068#L2346true timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 1857#L2481true assume !(0 != timeShift_~tmp___9~2); 620#L2572true assume !(1 == ~doorState~0); 622#L2572-2true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 1518#L267-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 1306#L294-3true isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 718#L2944-1true stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 2152#L2212true assume 0 != stopRequestedInDirection_~tmp___0~5;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; 1216#L1660-1true stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 248#L2225true timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 71#L2580true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 243#L2269true assume !(1 == ~currentHeading~0); 1065#L2279true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 1073#L2279-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1744#L2285-5true havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 1177#L1660-3true __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 820#L1312true assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 891#L1313true assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 1732#L1669true __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 1718#L1317true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 2395#L1372true cleanup_~i~0 := 0; 1119#L998-2true [2020-10-20 07:08:41,021 INFO L796 eck$LassoCheckResult]: Loop: 1119#L998-2true assume !false; 1256#L999true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 1058#L1002true 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 := 0;isBlocked_#res := isBlocked_~retValue_acc~10; 2182#L1507true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 715#L1006true assume 1 != cleanup_~tmp___0~0; 716#L1006-1true havoc isIdle_#res;havoc isIdle_#t~ret35, isIdle_~retValue_acc~17, isIdle_~tmp~13;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_#t~ret34, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~2, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~2;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 1358#L267-25true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 1217#L294-25true anyStopRequested_#t~ret30 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret30;havoc anyStopRequested_#t~ret30; 2421#L1768true assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 25#L1832true isIdle_#t~ret35 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret35;havoc isIdle_#t~ret35;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 1742#L1845true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 1424#L1018true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 1367#L267-30true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 988#L294-30true isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 710#L2944-3true stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 757#L2329-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 1184#L1660-4true stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 1575#L2333-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 2037#L2346-1true timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 1859#L2481-1true assume !(0 != timeShift_~tmp___9~2); 599#L2572-3true assume 1 == ~doorState~0;~doorState~0 := 0; 602#L2572-5true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 1362#L267-33true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 981#L294-33true isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 713#L2944-4true stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 2154#L2212-2true assume 0 != stopRequestedInDirection_~tmp___0~5;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; 1186#L1660-5true stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 253#L2225-2true timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 69#L2580-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 250#L2269-3true assume !(1 == ~currentHeading~0); 1031#L2279-9true assume !(0 == ~currentFloorID~0); 1039#L2279-11true assume 1 == ~currentHeading~0;~currentFloorID~0 := 1 + ~currentFloorID~0; 1734#L2285-11true havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 1199#L1660-7true __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 822#L1312-1true assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 895#L1313-1true assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 1725#L1669-5true __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 1707#L1317-2true assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 2398#L1372-1true cleanup_~i~0 := 1 + cleanup_~i~0; 1119#L998-2true [2020-10-20 07:08:41,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:41,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1175215301, now seen corresponding path program 1 times [2020-10-20 07:08:41,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:41,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626589007] [2020-10-20 07:08:41,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:41,717 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 07:08:41,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626589007] [2020-10-20 07:08:41,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:41,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:08:41,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408795295] [2020-10-20 07:08:41,734 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:08:41,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:41,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1073117307, now seen corresponding path program 1 times [2020-10-20 07:08:41,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:41,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790699652] [2020-10-20 07:08:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:08:41,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790699652] [2020-10-20 07:08:41,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:41,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:08:41,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789111114] [2020-10-20 07:08:41,801 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:08:41,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:08:41,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:08:41,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:08:41,825 INFO L87 Difference]: Start difference. First operand 2495 states. Second operand 3 states. [2020-10-20 07:08:42,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:08:42,368 INFO L93 Difference]: Finished difference Result 3725 states and 6983 transitions. [2020-10-20 07:08:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 07:08:42,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3725 states and 6983 transitions. [2020-10-20 07:08:42,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2400 [2020-10-20 07:08:42,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3725 states to 3697 states and 6950 transitions. [2020-10-20 07:08:42,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3697 [2020-10-20 07:08:42,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3697 [2020-10-20 07:08:42,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3697 states and 6950 transitions. [2020-10-20 07:08:42,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:08:42,567 INFO L691 BuchiCegarLoop]: Abstraction has 3697 states and 6950 transitions. [2020-10-20 07:08:42,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3697 states and 6950 transitions. [2020-10-20 07:08:42,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 3695. [2020-10-20 07:08:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3695 states. [2020-10-20 07:08:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 6947 transitions. [2020-10-20 07:08:42,698 INFO L714 BuchiCegarLoop]: Abstraction has 3695 states and 6947 transitions. [2020-10-20 07:08:42,698 INFO L594 BuchiCegarLoop]: Abstraction has 3695 states and 6947 transitions. [2020-10-20 07:08:42,698 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:08:42,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3695 states and 6947 transitions. [2020-10-20 07:08:42,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2398 [2020-10-20 07:08:42,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:08:42,740 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:08:42,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:42,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:42,746 INFO L794 eck$LassoCheckResult]: Stem: 7159#ULTIMATE.startENTRY #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~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string82.base, #t~string82.offset, 1);call write~init~int(95, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(93, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string84.base, #t~string84.offset, 1);call write~init~int(93, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(32, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(97, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(116, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(32, #t~string86.base, 3 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 4 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string88.base, #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 2 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string92.base, #t~string92.offset, 1);call write~init~int(112, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 2 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string94.base, #t~string94.offset, 1);call write~init~int(111, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(119, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(110, #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(7);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(73, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(76, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 5 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 6 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string100.base, #t~string100.offset, 1);call write~init~int(37, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #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(6);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(70, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 5 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~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~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string125.base, #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 1 + #t~string125.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(21);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(30);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(9);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(25);~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;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~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; 7160#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~7, main_~tmp~8;havoc main_~retValue_acc~7;havoc main_~tmp~8; 8121#L1234 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; 8122#L1242 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 8671#L1198 assume 0 != main_~tmp~8; 6771#L1168 ~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 6772#L1267 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; 7638#L103 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 6541#L128 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; 8312#L543 assume 0 == initPersonOnFloor_~floor; 8340#L544 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 6425#L651-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 7632#L1274 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 8023#L1286-2 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 7476#L347-2 havoc angelinaCall_#t~ret10, angelinaCall_~tmp~2;havoc angelinaCall_~tmp~2;getOrigin_#in~person := 2;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 7477#L103-1 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 6533#L128-1 angelinaCall_#t~ret10 := getOrigin_#res;angelinaCall_~tmp~2 := angelinaCall_#t~ret10;havoc angelinaCall_#t~ret10;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 2, angelinaCall_~tmp~2;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 8311#L543-1 assume 0 == initPersonOnFloor_~floor; 8376#L544-2 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 6408#L651-3 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 7620#L1274-2 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 8033#L1286-5 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 7483#L347-5 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~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 7490#L267 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 7348#L294 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 7410#L2944 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 7411#L2329 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 7481#L1660 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 7877#L2333 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 6718#L2346 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 8381#L2481 assume !(0 != timeShift_~tmp___9~2); 7268#L2572 assume !(1 == ~doorState~0); 7269#L2572-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 7271#L267-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 7358#L294-3 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 7406#L2944-1 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 7407#L2212 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 7878#L1660-1 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 6469#L2225 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 6414#L2580 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 6416#L2269 assume !(1 == ~currentHeading~0); 6761#L2279 assume !(0 == ~currentFloorID~0); 6631#L2279-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 7786#L2285-5 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 7865#L1660-3 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 7610#L1312 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 7611#L1313 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 7698#L1669 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 8316#L1317 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 6389#L1372 cleanup_~i~0 := 0; 7842#L998-2 [2020-10-20 07:08:42,747 INFO L796 eck$LassoCheckResult]: Loop: 7842#L998-2 assume !false; 7843#L999 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 7791#L1002 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 := 0;isBlocked_#res := isBlocked_~retValue_acc~10; 7792#L1507 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 7401#L1006 assume 1 != cleanup_~tmp___0~0; 7402#L1006-1 havoc isIdle_#res;havoc isIdle_#t~ret35, isIdle_~retValue_acc~17, isIdle_~tmp~13;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_#t~ret34, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~2, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~2;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 7403#L267-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 7313#L294-25 anyStopRequested_#t~ret30 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret30;havoc anyStopRequested_#t~ret30; 7879#L1768 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 6295#L1832 isIdle_#t~ret35 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret35;havoc isIdle_#t~ret35;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 6296#L1845 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 8066#L1018 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 7966#L267-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 7088#L294-30 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 7391#L2944-3 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 7392#L2329-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 7487#L1660-4 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 7866#L2333-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 6920#L2346-1 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 8384#L2481-1 assume !(0 != timeShift_~tmp___9~2); 7244#L2572-3 assume 1 == ~doorState~0;~doorState~0 := 0; 7245#L2572-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 7248#L267-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 7076#L294-33 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 7397#L2944-4 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 7398#L2212-2 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 7868#L1660-5 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 6774#L2225-2 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 6410#L2580-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 6412#L2269-3 assume !(1 == ~currentHeading~0); 6770#L2279-9 assume !(0 == ~currentFloorID~0); 6526#L2279-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 7764#L2285-11 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 7873#L1660-7 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 7614#L1312-1 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 7615#L1313-1 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 7700#L1669-5 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 8310#L1317-2 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 6402#L1372-1 cleanup_~i~0 := 1 + cleanup_~i~0; 7842#L998-2 [2020-10-20 07:08:42,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:42,748 INFO L82 PathProgramCache]: Analyzing trace with hash -495156931, now seen corresponding path program 1 times [2020-10-20 07:08:42,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:42,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074623788] [2020-10-20 07:08:42,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:42,833 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 07:08:42,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074623788] [2020-10-20 07:08:42,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:42,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:08:42,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464121400] [2020-10-20 07:08:42,835 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:08:42,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:42,835 INFO L82 PathProgramCache]: Analyzing trace with hash 263770681, now seen corresponding path program 1 times [2020-10-20 07:08:42,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:42,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035900058] [2020-10-20 07:08:42,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:08:42,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035900058] [2020-10-20 07:08:42,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:42,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:08:42,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432937379] [2020-10-20 07:08:42,944 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:08:42,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:08:42,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 07:08:42,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 07:08:42,945 INFO L87 Difference]: Start difference. First operand 3695 states and 6947 transitions. cyclomatic complexity: 3253 Second operand 5 states. [2020-10-20 07:08:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:08:43,585 INFO L93 Difference]: Finished difference Result 13432 states and 25130 transitions. [2020-10-20 07:08:43,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 07:08:43,586 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13432 states and 25130 transitions. [2020-10-20 07:08:44,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11712 [2020-10-20 07:08:44,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13432 states to 13432 states and 25130 transitions. [2020-10-20 07:08:44,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13432 [2020-10-20 07:08:44,265 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13432 [2020-10-20 07:08:44,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13432 states and 25130 transitions. [2020-10-20 07:08:44,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:08:44,287 INFO L691 BuchiCegarLoop]: Abstraction has 13432 states and 25130 transitions. [2020-10-20 07:08:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13432 states and 25130 transitions. [2020-10-20 07:08:44,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13432 to 4838. [2020-10-20 07:08:44,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4838 states. [2020-10-20 07:08:44,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4838 states to 4838 states and 9029 transitions. [2020-10-20 07:08:44,500 INFO L714 BuchiCegarLoop]: Abstraction has 4838 states and 9029 transitions. [2020-10-20 07:08:44,500 INFO L594 BuchiCegarLoop]: Abstraction has 4838 states and 9029 transitions. [2020-10-20 07:08:44,500 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:08:44,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4838 states and 9029 transitions. [2020-10-20 07:08:44,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3200 [2020-10-20 07:08:44,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:08:44,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:08:44,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:44,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:44,526 INFO L794 eck$LassoCheckResult]: Stem: 24310#ULTIMATE.startENTRY #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~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string82.base, #t~string82.offset, 1);call write~init~int(95, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(93, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string84.base, #t~string84.offset, 1);call write~init~int(93, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(32, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(97, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(116, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(32, #t~string86.base, 3 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 4 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string88.base, #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 2 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string92.base, #t~string92.offset, 1);call write~init~int(112, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 2 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string94.base, #t~string94.offset, 1);call write~init~int(111, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(119, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(110, #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(7);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(73, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(76, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 5 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 6 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string100.base, #t~string100.offset, 1);call write~init~int(37, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #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(6);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(70, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 5 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~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~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string125.base, #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 1 + #t~string125.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(21);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(30);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(9);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(25);~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;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~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; 24311#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~7, main_~tmp~8;havoc main_~retValue_acc~7;havoc main_~tmp~8; 25323#L1234 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; 25324#L1242 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 25933#L1198 assume 0 != main_~tmp~8; 23921#L1168 ~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 23922#L1267 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; 24796#L103 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 23690#L128 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; 25534#L543 assume 0 == initPersonOnFloor_~floor; 25577#L544 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 23571#L651-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 24790#L1274 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 25225#L1286-2 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 24633#L347-2 havoc angelinaCall_#t~ret10, angelinaCall_~tmp~2;havoc angelinaCall_~tmp~2;getOrigin_#in~person := 2;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 24634#L103-1 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 23680#L128-1 angelinaCall_#t~ret10 := getOrigin_#res;angelinaCall_~tmp~2 := angelinaCall_#t~ret10;havoc angelinaCall_#t~ret10;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 2, angelinaCall_~tmp~2;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 25533#L543-1 assume 0 == initPersonOnFloor_~floor; 25614#L544-2 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 23554#L651-3 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 24777#L1274-2 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 25235#L1286-5 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 24640#L347-5 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~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 24647#L267 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 24504#L294 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 24567#L2944 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 24568#L2329 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 24638#L1660 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 25060#L2333 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 23867#L2346 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 25619#L2481 assume !(0 != timeShift_~tmp___9~2); 24421#L2572 assume !(1 == ~doorState~0); 24423#L2572-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 24425#L267-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 26501#L294-3 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 26500#L2944-1 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 26498#L2212 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 25061#L1660-1 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 23616#L2225 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 23560#L2580 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 23562#L2269 assume !(1 == ~currentHeading~0); 23910#L2279 assume !(0 == ~currentFloorID~0); 23780#L2279-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 25557#L2285-5 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 25558#L1660-3 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 24767#L1312 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 24768#L1313 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 25549#L1669 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 25550#L1317 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 27356#L1372 cleanup_~i~0 := 0; 27355#L998-2 [2020-10-20 07:08:44,527 INFO L796 eck$LassoCheckResult]: Loop: 27355#L998-2 assume !false; 27354#L999 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 27353#L1002 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 := 0;isBlocked_#res := isBlocked_~retValue_acc~10; 27352#L1507 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 27351#L1006 assume 1 != cleanup_~tmp___0~0; 27350#L1006-1 havoc isIdle_#res;havoc isIdle_#t~ret35, isIdle_~retValue_acc~17, isIdle_~tmp~13;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_#t~ret34, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~2, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~2;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 27349#L267-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 27344#L294-25 anyStopRequested_#t~ret30 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret30;havoc anyStopRequested_#t~ret30; 27333#L1768 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 27324#L1832 isIdle_#t~ret35 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret35;havoc isIdle_#t~ret35;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 27323#L1845 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 27322#L1018 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 27317#L267-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 27316#L294-30 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 27315#L2944-3 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 27313#L2329-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 27314#L1660-4 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 27296#L2333-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 27293#L2346-1 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 27292#L2481-1 assume !(0 != timeShift_~tmp___9~2); 27291#L2572-3 assume !(1 == ~doorState~0); 27290#L2572-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 27288#L267-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 27284#L294-33 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 27117#L2944-4 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 26901#L2212-2 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 26761#L1660-5 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 26754#L2225-2 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 26748#L2580-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 26740#L2269-3 assume !(1 == ~currentHeading~0); 26732#L2279-9 assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 26724#L2279-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 24925#L2285-11 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 27416#L1660-7 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 27412#L1312-1 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 27408#L1313-1 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 25544#L1669-5 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 25545#L1317-2 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 27357#L1372-1 cleanup_~i~0 := 1 + cleanup_~i~0; 27355#L998-2 [2020-10-20 07:08:44,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:44,527 INFO L82 PathProgramCache]: Analyzing trace with hash -495156931, now seen corresponding path program 2 times [2020-10-20 07:08:44,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:44,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697764815] [2020-10-20 07:08:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:44,590 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 07:08:44,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697764815] [2020-10-20 07:08:44,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:44,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:08:44,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339780248] [2020-10-20 07:08:44,591 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:08:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:44,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2105231431, now seen corresponding path program 1 times [2020-10-20 07:08:44,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:44,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718851566] [2020-10-20 07:08:44,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:08:44,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718851566] [2020-10-20 07:08:44,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:44,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 07:08:44,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410784990] [2020-10-20 07:08:44,652 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:08:44,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:08:44,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 07:08:44,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-20 07:08:44,653 INFO L87 Difference]: Start difference. First operand 4838 states and 9029 transitions. cyclomatic complexity: 4192 Second operand 7 states. [2020-10-20 07:08:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:08:50,793 INFO L93 Difference]: Finished difference Result 37210 states and 68949 transitions. [2020-10-20 07:08:50,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-20 07:08:50,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37210 states and 68949 transitions. [2020-10-20 07:08:51,059 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 21750 [2020-10-20 07:08:51,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37210 states to 37210 states and 68949 transitions. [2020-10-20 07:08:51,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37210 [2020-10-20 07:08:51,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37210 [2020-10-20 07:08:51,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37210 states and 68949 transitions. [2020-10-20 07:08:51,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:08:51,435 INFO L691 BuchiCegarLoop]: Abstraction has 37210 states and 68949 transitions. [2020-10-20 07:08:51,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37210 states and 68949 transitions. [2020-10-20 07:08:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37210 to 13524. [2020-10-20 07:08:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13524 states. [2020-10-20 07:08:52,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13524 states to 13524 states and 25115 transitions. [2020-10-20 07:08:52,041 INFO L714 BuchiCegarLoop]: Abstraction has 13524 states and 25115 transitions. [2020-10-20 07:08:52,041 INFO L594 BuchiCegarLoop]: Abstraction has 13524 states and 25115 transitions. [2020-10-20 07:08:52,041 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 07:08:52,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13524 states and 25115 transitions. [2020-10-20 07:08:52,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9070 [2020-10-20 07:08:52,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:08:52,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:08:52,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:52,091 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:08:52,092 INFO L794 eck$LassoCheckResult]: Stem: 66419#ULTIMATE.startENTRY #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~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string82.base, #t~string82.offset, 1);call write~init~int(95, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(93, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string84.base, #t~string84.offset, 1);call write~init~int(93, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(32, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(97, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(116, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(32, #t~string86.base, 3 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 4 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string88.base, #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 2 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string92.base, #t~string92.offset, 1);call write~init~int(112, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 2 + #t~string92.offset, 1);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string94.base, #t~string94.offset, 1);call write~init~int(111, #t~string94.base, 1 + #t~string94.offset, 1);call write~init~int(119, #t~string94.base, 2 + #t~string94.offset, 1);call write~init~int(110, #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(7);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(73, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(76, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(95, #t~string96.base, 3 + #t~string96.offset, 1);call write~init~int(112, #t~string96.base, 4 + #t~string96.offset, 1);call write~init~int(58, #t~string96.base, 5 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 6 + #t~string96.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string100.base, #t~string100.offset, 1);call write~init~int(37, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(105, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #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(6);call write~init~int(32, #t~string108.base, #t~string108.offset, 1);call write~init~int(70, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(112, #t~string108.base, 3 + #t~string108.offset, 1);call write~init~int(58, #t~string108.base, 4 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 5 + #t~string108.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string111.base, #t~string111.offset, 1);call write~init~int(37, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(105, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~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~string117.base, #t~string117.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string117.base, #t~string117.offset, 1);call write~init~int(37, #t~string117.base, 1 + #t~string117.offset, 1);call write~init~int(105, #t~string117.base, 2 + #t~string117.offset, 1);call write~init~int(0, #t~string117.base, 3 + #t~string117.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string120.base, #t~string120.offset, 1);call write~init~int(37, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(105, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 3 + #t~string120.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(37, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(105, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 3 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string125.base, #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 1 + #t~string125.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(30);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(9);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string155.base, #t~string155.offset := #Ultimate.allocOnStack(30);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(9);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(21);call #t~string161.base, #t~string161.offset := #Ultimate.allocOnStack(30);call #t~string162.base, #t~string162.offset := #Ultimate.allocOnStack(9);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string164.base, #t~string164.offset := #Ultimate.allocOnStack(30);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(9);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(25);~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;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0;~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; 66420#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~7, main_~tmp~8;havoc main_~retValue_acc~7;havoc main_~tmp~8; 67511#L1234 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; 67512#L1242 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 68189#L1198 assume 0 != main_~tmp~8; 66013#L1168 ~landingButtons_spc1_0~0 := 0;~landingButtons_spc1_1~0 := 0;~landingButtons_spc1_2~0 := 0;~landingButtons_spc1_3~0 := 0;~landingButtons_spc1_4~0 := 0; 66014#L1267 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; 66923#L103 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 65778#L128 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; 67738#L543 assume 0 == initPersonOnFloor_~floor; 67794#L544 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 65660#L651-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 66917#L1274 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 67406#L1286-2 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 66754#L347-2 havoc angelinaCall_#t~ret10, angelinaCall_~tmp~2;havoc angelinaCall_~tmp~2;getOrigin_#in~person := 2;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~1;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~1; 66755#L103-1 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~1 := 4;getOrigin_#res := getOrigin_~retValue_acc~1; 65770#L128-1 angelinaCall_#t~ret10 := getOrigin_#res;angelinaCall_~tmp~2 := angelinaCall_#t~ret10;havoc angelinaCall_#t~ret10;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 2, angelinaCall_~tmp~2;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 67737#L543-1 assume 0 == initPersonOnFloor_~floor; 67832#L544-2 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 65643#L651-3 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID, callOnFloor_~__utac__ad__arg1~0;callOnFloor_~floorID := callOnFloor_#in~floorID;havoc callOnFloor_~__utac__ad__arg1~0;callOnFloor_~__utac__ad__arg1~0 := callOnFloor_~floorID;__utac_acc__Specification1_spec__2_#in~floor := callOnFloor_~__utac__ad__arg1~0;havoc __utac_acc__Specification1_spec__2_~floor;__utac_acc__Specification1_spec__2_~floor := __utac_acc__Specification1_spec__2_#in~floor; 66902#L1274-2 assume 0 == __utac_acc__Specification1_spec__2_~floor;~landingButtons_spc1_0~0 := 1; 67416#L1286-5 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 66761#L347-5 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~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 66769#L267 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 67259#L294 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 66688#L2944 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 66689#L2329 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 66759#L1660 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 67230#L2333 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 67611#L2346 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 74418#L2481 assume !(0 != timeShift_~tmp___9~2); 66533#L2572 assume !(1 == ~doorState~0); 66535#L2572-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 75728#L267-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 75727#L294-3 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 75726#L2944-1 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 75724#L2212 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 75725#L1660-1 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 75732#L2225 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 75730#L2580 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 75729#L2269 assume !(1 == ~currentHeading~0); 67128#L2279 assume !(0 == ~currentFloorID~0); 65872#L2279-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 67114#L2285-5 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 77005#L1660-3 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 77004#L1312 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 77003#L1313 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 77002#L1669 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 75526#L1317 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 68271#L1372 cleanup_~i~0 := 0; 67176#L998-2 [2020-10-20 07:08:52,094 INFO L796 eck$LassoCheckResult]: Loop: 67176#L998-2 assume !false; 67177#L999 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 67120#L1002 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 := 0;isBlocked_#res := isBlocked_~retValue_acc~10; 67121#L1507 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 66679#L1006 assume 1 != cleanup_~tmp___0~0; 66680#L1006-1 havoc isIdle_#res;havoc isIdle_#t~ret35, isIdle_~retValue_acc~17, isIdle_~tmp~13;havoc isIdle_~retValue_acc~17;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret30, anyStopRequested_#t~ret31, anyStopRequested_#t~ret32, anyStopRequested_#t~ret33, anyStopRequested_#t~ret34, anyStopRequested_~retValue_acc~16, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~2, anyStopRequested_~tmp___2~2, anyStopRequested_~tmp___3~1;havoc anyStopRequested_~retValue_acc~16;havoc anyStopRequested_~tmp~12;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~2;havoc anyStopRequested_~tmp___2~2;havoc anyStopRequested_~tmp___3~1;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 66681#L267-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 67232#L294-25 anyStopRequested_#t~ret30 := isFloorCalling_#res;anyStopRequested_~tmp___3~1 := anyStopRequested_#t~ret30;havoc anyStopRequested_#t~ret30; 67233#L1768 assume 0 != anyStopRequested_~tmp___3~1;anyStopRequested_~retValue_acc~16 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~16; 65529#L1832 isIdle_#t~ret35 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret35;havoc isIdle_#t~ret35;isIdle_~retValue_acc~17 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~17; 65530#L1845 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 67449#L1018 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret69, timeShift_#t~ret70, timeShift_#t~ret71, timeShift_#t~ret72, timeShift_#t~ret73, timeShift_#t~ret74, timeShift_#t~ret75, timeShift_#t~ret76, timeShift_#t~ret77, timeShift_#t~ret78, timeShift_#t~ret79, timeShift_~tmp~20, timeShift_~tmp___0~9, timeShift_~tmp___1~5, timeShift_~tmp___2~5, timeShift_~tmp___3~4, timeShift_~tmp___4~3, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~20;havoc timeShift_~tmp___0~9;havoc timeShift_~tmp___1~5;havoc timeShift_~tmp___2~5;havoc timeShift_~tmp___3~4;havoc timeShift_~tmp___4~3;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret53, stopRequestedAtCurrentFloor_#t~ret54, stopRequestedAtCurrentFloor_#t~ret55, stopRequestedAtCurrentFloor_#t~ret56, stopRequestedAtCurrentFloor_~retValue_acc~22, stopRequestedAtCurrentFloor_~tmp~18, stopRequestedAtCurrentFloor_~tmp___0~7;havoc stopRequestedAtCurrentFloor_~retValue_acc~22;havoc stopRequestedAtCurrentFloor_~tmp~18;havoc stopRequestedAtCurrentFloor_~tmp___0~7;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 67450#L267-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 67056#L294-30 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 67057#L2944-3 stopRequestedAtCurrentFloor_#t~ret53 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~18 := stopRequestedAtCurrentFloor_#t~ret53;havoc stopRequestedAtCurrentFloor_#t~ret53; 66764#L2329-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~18;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; 66766#L1660-4 stopRequestedAtCurrentFloor_#t~ret54 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~7 := stopRequestedAtCurrentFloor_#t~ret54;havoc stopRequestedAtCurrentFloor_#t~ret54; 68501#L2333-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~7);stopRequestedAtCurrentFloor_~retValue_acc~22 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~22; 67613#L2346-1 timeShift_#t~ret69 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret69;havoc timeShift_#t~ret69; 75500#L2481-1 assume !(0 != timeShift_~tmp___9~2); 78108#L2572-3 assume !(1 == ~doorState~0); 78107#L2572-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret47, stopRequestedInDirection_#t~ret48, stopRequestedInDirection_#t~ret49, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~19, stopRequestedInDirection_~tmp~15, stopRequestedInDirection_~tmp___0~5, stopRequestedInDirection_~__cil_tmp7~0, stopRequestedInDirection_~__cil_tmp8~0;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~19;havoc stopRequestedInDirection_~tmp~15;havoc stopRequestedInDirection_~tmp___0~5;havoc stopRequestedInDirection_~__cil_tmp7~0;havoc stopRequestedInDirection_~__cil_tmp8~0;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret127, isExecutiveFloorCalling_~retValue_acc~25;havoc isExecutiveFloorCalling_~retValue_acc~25;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~3;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~3; 78106#L267-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~3 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~3; 78105#L294-33 isExecutiveFloorCalling_#t~ret127 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~25 := isExecutiveFloorCalling_#t~ret127;havoc isExecutiveFloorCalling_#t~ret127;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~25; 78104#L2944-4 stopRequestedInDirection_#t~ret47 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~5 := stopRequestedInDirection_#t~ret47;havoc stopRequestedInDirection_#t~ret47; 78102#L2212-2 assume 0 != stopRequestedInDirection_~tmp___0~5;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; 78100#L1660-5 stopRequestedInDirection_#t~ret48 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~15 := stopRequestedInDirection_#t~ret48;havoc stopRequestedInDirection_#t~ret48;stopRequestedInDirection_~__cil_tmp7~0 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~0 := (if stopRequestedInDirection_~tmp~15 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~19 := (if stopRequestedInDirection_~__cil_tmp8~0 == stopRequestedInDirection_~__cil_tmp7~0 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~19; 78098#L2225-2 timeShift_#t~ret76 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret76;havoc timeShift_#t~ret76; 77847#L2580-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret50, continueInDirection_~dir, continueInDirection_~tmp~16;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~16;~currentHeading~0 := continueInDirection_~dir; 75942#L2269-3 assume !(1 == ~currentHeading~0); 75941#L2279-9 assume !(0 == ~currentFloorID~0); 67106#L2279-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 67083#L2285-11 havoc __utac_acc__Specification1_spec__3_#t~ret22, __utac_acc__Specification1_spec__3_#t~ret23, __utac_acc__Specification1_spec__3_#t~ret24, __utac_acc__Specification1_spec__3_#t~ret25, __utac_acc__Specification1_spec__3_#t~ret26, __utac_acc__Specification1_spec__3_#t~ret27, __utac_acc__Specification1_spec__3_~floor~0, __utac_acc__Specification1_spec__3_~tmp~9, __utac_acc__Specification1_spec__3_~tmp___0~2, __utac_acc__Specification1_spec__3_~tmp___1~1, __utac_acc__Specification1_spec__3_~tmp___2~1, __utac_acc__Specification1_spec__3_~tmp___3~0, __utac_acc__Specification1_spec__3_~tmp___4~0;havoc __utac_acc__Specification1_spec__3_~floor~0;havoc __utac_acc__Specification1_spec__3_~tmp~9;havoc __utac_acc__Specification1_spec__3_~tmp___0~2;havoc __utac_acc__Specification1_spec__3_~tmp___1~1;havoc __utac_acc__Specification1_spec__3_~tmp___2~1;havoc __utac_acc__Specification1_spec__3_~tmp___3~0;havoc __utac_acc__Specification1_spec__3_~tmp___4~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~11;havoc getCurrentFloorID_~retValue_acc~11;getCurrentFloorID_~retValue_acc~11 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~11; 67758#L1660-7 __utac_acc__Specification1_spec__3_#t~ret22 := getCurrentFloorID_#res;__utac_acc__Specification1_spec__3_~tmp~9 := __utac_acc__Specification1_spec__3_#t~ret22;havoc __utac_acc__Specification1_spec__3_#t~ret22;__utac_acc__Specification1_spec__3_~floor~0 := __utac_acc__Specification1_spec__3_~tmp~9; 66896#L1312-1 assume 0 == __utac_acc__Specification1_spec__3_~floor~0; 66897#L1313-1 assume 0 != ~landingButtons_spc1_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~12;havoc areDoorsOpen_~retValue_acc~12;areDoorsOpen_~retValue_acc~12 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~12; 66988#L1669-5 __utac_acc__Specification1_spec__3_#t~ret23 := areDoorsOpen_#res;__utac_acc__Specification1_spec__3_~tmp___4~0 := __utac_acc__Specification1_spec__3_#t~ret23;havoc __utac_acc__Specification1_spec__3_#t~ret23; 75708#L1317-2 assume 0 != __utac_acc__Specification1_spec__3_~tmp___4~0;~landingButtons_spc1_0~0 := 0; 65637#L1372-1 cleanup_~i~0 := 1 + cleanup_~i~0; 67176#L998-2 [2020-10-20 07:08:52,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:52,095 INFO L82 PathProgramCache]: Analyzing trace with hash -495156931, now seen corresponding path program 3 times [2020-10-20 07:08:52,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:52,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156519770] [2020-10-20 07:08:52,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:52,626 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 07:08:52,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156519770] [2020-10-20 07:08:52,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:08:52,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:08:52,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445319767] [2020-10-20 07:08:52,628 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:08:52,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:52,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1425173061, now seen corresponding path program 1 times [2020-10-20 07:08:52,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:08:52,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44767468] [2020-10-20 07:08:52,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:08:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:08:52,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:08:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:08:52,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:08:52,738 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:08:53,390 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 160 [2020-10-20 07:08:53,896 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 124 [2020-10-20 07:08:53,911 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:08:53,911 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:08:53,912 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:08:53,912 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:08:53,912 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:08:53,912 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:53,912 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:08:53,912 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:08:53,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product19.cil.c_Iteration4_Loop [2020-10-20 07:08:53,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:08:53,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:08:53,943 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 07:08:53,968 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 07:08:53,971 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 07:08:53,973 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 07:08:53,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:53,980 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 07:08:53,983 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 07:08:53,986 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 07:08:53,994 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 07:08:54,000 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 07:08:54,003 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 07:08:54,006 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 07:08:54,008 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 07:08:54,015 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 07:08:54,018 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 07:08:54,020 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 07:08:54,022 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 07:08:54,024 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 07:08:54,026 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 07:08:54,028 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 07:08:54,030 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 07:08:54,034 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 07:08:54,036 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 07:08:54,042 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 07:08:54,052 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 07:08:54,057 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 07:08:54,060 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 07:08:54,062 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 07:08:54,066 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 07:08:54,068 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 07:08:54,074 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 07:08:54,077 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 07:08:54,079 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 07:08:54,081 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 07:08:54,083 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 07:08:54,089 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 07:08:54,091 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 07:08:54,096 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 07:08:54,098 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 07:08:54,101 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 07:08:54,103 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 07:08:54,106 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 07:08:54,108 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 07:08:54,120 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 07:08:54,122 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 07:08:54,125 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 07:08:54,127 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 07:08:54,129 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 07:08:54,132 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 07:08:54,134 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 07:08:54,152 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 07:08:54,155 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 07:08:54,157 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 07:08:54,160 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 07:08:54,162 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 07:08:54,168 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 07:08:54,170 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 07:08:54,172 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 07:08:54,175 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 07:08:54,177 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 07:08:54,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:54,186 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 07:08:54,188 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 07:08:54,190 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 07:08:54,193 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 07:08:54,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:54,203 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 07:08:54,214 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 07:08:54,217 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 07:08:55,104 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:08:55,105 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 07:08:55,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:08:55,133 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,133 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Honda state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:55,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,172 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:55,176 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,176 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0=0} Honda state: {ULTIMATE.start___utac_acc__Specification1_spec__3_~tmp___3~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:55,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,200 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:08:55,203 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,204 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isExecutiveFloorCalling_#t~ret127=0} Honda state: {ULTIMATE.start_isExecutiveFloorCalling_#t~ret127=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:55,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,249 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:55,260 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,260 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_~retValue_acc~17=0} Honda state: {ULTIMATE.start_isIdle_~retValue_acc~17=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:55,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,316 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:55,320 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,320 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret49=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret49=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:55,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:08:55,365 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,365 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~2=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:55,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:08:55,404 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:08:55,404 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___2~5=0} Honda state: {ULTIMATE.start_timeShift_~tmp___2~5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 07:08:55,433 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:08:55,434 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:55,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:08:55,479 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:56,116 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:08:56,118 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:08:56,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:08:56,119 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:08:56,119 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:08:56,119 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:08:56,119 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:56,119 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:08:56,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:08:56,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec1_product19.cil.c_Iteration4_Loop [2020-10-20 07:08:56,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:08:56,120 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:08:56,128 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 07:08:56,134 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 07:08:56,138 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 07:08:56,141 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 07:08:56,144 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 07:08:56,147 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 07:08:56,155 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 07:08:56,157 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 07:08:56,160 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 07:08:56,162 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 07:08:56,170 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 07:08:56,172 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 07:08:56,175 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 07:08:56,176 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 07:08:56,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,182 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 07:08:56,184 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 07:08:56,188 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 07:08:56,189 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 07:08:56,198 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 07:08:56,203 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 07:08:56,215 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 07:08:56,222 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 07:08:56,225 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 07:08:56,230 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 07:08:56,233 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 07:08:56,236 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 07:08:56,239 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 07:08:56,247 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 07:08:56,249 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 07:08:56,251 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 07:08:56,253 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 07:08:56,255 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 07:08:56,258 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 07:08:56,262 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 07:08:56,271 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 07:08:56,276 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 07:08:56,279 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 07:08:56,281 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 07:08:56,283 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 07:08:56,285 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 07:08:56,289 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 07:08:56,291 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 07:08:56,293 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 07:08:56,295 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 07:08:56,296 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 07:08:56,298 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 07:08:56,300 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 07:08:56,302 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 07:08:56,319 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 07:08:56,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,325 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 07:08:56,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,334 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 07:08:56,336 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 07:08:56,350 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 07:08:56,353 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 07:08:56,355 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 07:08:56,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,393 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 07:08:56,395 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 07:08:56,403 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 07:08:56,405 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 07:08:56,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,423 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 07:08:56,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:56,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:08:57,175 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:08:57,180 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,257 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 07:08:57,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,368 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 07:08:57,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,422 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 07:08:57,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:08:57,475 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 07:08:57,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,530 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 07:08:57,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,572 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 07:08:57,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,615 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 07:08:57,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,646 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 07:08:57,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:08:57,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:08:57,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:08:57,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:08:57,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:08:57,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:08:57,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:08:57,661 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:08:57,671 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:08:57,671 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:08:57,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:08:57,680 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:08:57,681 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:08:57,681 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 07:08:57,721 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:08:57,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:08:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:57,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:08:57,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:08:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:08:57,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:08:57,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:08:58,052 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 07:08:58,059 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 07:08:58,060 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13524 states and 25115 transitions. cyclomatic complexity: 11593 Second operand 5 states. [2020-10-20 07:08:58,630 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13524 states and 25115 transitions. cyclomatic complexity: 11593. Second operand 5 states. Result 22593 states and 41943 transitions. Complement of second has 8 states. [2020-10-20 07:08:58,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:08:58,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:08:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4665 transitions. [2020-10-20 07:08:58,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4665 transitions. Stem has 50 letters. Loop has 39 letters. [2020-10-20 07:08:58,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:08:58,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4665 transitions. Stem has 89 letters. Loop has 39 letters. [2020-10-20 07:08:58,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:08:58,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4665 transitions. Stem has 50 letters. Loop has 78 letters. [2020-10-20 07:08:58,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:08:58,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22593 states and 41943 transitions. [2020-10-20 07:08:58,769 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:08:58,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22593 states to 0 states and 0 transitions. [2020-10-20 07:08:58,769 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:08:58,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:08:58,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:08:58,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:08:58,770 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:08:58,770 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:08:58,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:08:58,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:08:58,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:08:58,771 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:08:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:08:58,771 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:08:58,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:08:58,771 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:08:58,772 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:08:58,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:08:58,849 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:08:58,849 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:08:58,849 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:08:58,850 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:08:58,850 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:08:58,850 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:08:58,850 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:08:58,850 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 07:08:58,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:08:58,850 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:08:58,850 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:08:58,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:08:58 BoogieIcfgContainer [2020-10-20 07:08:58,858 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:08:58,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:08:58,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:08:58,861 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:08:58,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:08:40" (3/4) ... [2020-10-20 07:08:58,875 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:08:58,875 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:08:58,878 INFO L168 Benchmark]: Toolchain (without parser) took 25557.86 ms. Allocated memory was 35.1 MB in the beginning and 314.0 MB in the end (delta: 278.9 MB). Free memory was 9.5 MB in the beginning and 176.6 MB in the end (delta: -167.1 MB). Peak memory consumption was 111.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,879 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 33.0 MB. Free memory is still 17.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:08:58,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1091.64 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 8.6 MB in the beginning and 19.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 226.89 ms. Allocated memory was 47.2 MB in the beginning and 47.7 MB in the end (delta: 524.3 kB). Free memory was 19.3 MB in the beginning and 10.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,888 INFO L168 Benchmark]: Boogie Preprocessor took 516.08 ms. Allocated memory was 47.7 MB in the beginning and 65.5 MB in the end (delta: 17.8 MB). Free memory was 10.6 MB in the beginning and 27.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,889 INFO L168 Benchmark]: RCFGBuilder took 5547.16 ms. Allocated memory was 65.5 MB in the beginning and 118.0 MB in the end (delta: 52.4 MB). Free memory was 27.0 MB in the beginning and 60.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,893 INFO L168 Benchmark]: BuchiAutomizer took 18149.72 ms. Allocated memory was 118.0 MB in the beginning and 314.0 MB in the end (delta: 196.1 MB). Free memory was 60.9 MB in the beginning and 176.6 MB in the end (delta: -115.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,896 INFO L168 Benchmark]: Witness Printer took 14.75 ms. Allocated memory is still 314.0 MB. Free memory was 176.6 MB in the beginning and 176.6 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:08:58,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 33.0 MB. Free memory is still 17.8 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1091.64 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 8.6 MB in the beginning and 19.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 226.89 ms. Allocated memory was 47.2 MB in the beginning and 47.7 MB in the end (delta: 524.3 kB). Free memory was 19.3 MB in the beginning and 10.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 516.08 ms. Allocated memory was 47.7 MB in the beginning and 65.5 MB in the end (delta: 17.8 MB). Free memory was 10.6 MB in the beginning and 27.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 5547.16 ms. Allocated memory was 65.5 MB in the beginning and 118.0 MB in the end (delta: 52.4 MB). Free memory was 27.0 MB in the beginning and 60.9 MB in the end (delta: -33.9 MB). Peak memory consumption was 70.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 18149.72 ms. Allocated memory was 118.0 MB in the beginning and 314.0 MB in the end (delta: 196.1 MB). Free memory was 60.9 MB in the beginning and 176.6 MB in the end (delta: -115.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 14.3 GB. * Witness Printer took 14.75 ms. Allocated memory is still 314.0 MB. Free memory was 176.6 MB in the beginning and 176.6 MB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 4 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 4.8s. Büchi inclusion checks took 3.3s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.9s AutomataMinimizationTime, 3 MinimizatonAttempts, 32282 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 1.4s Buchi closure took 0.0s. Biggest automaton had 13524 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23011 SDtfs, 80262 SDslu, 60275 SDs, 0 SdLazy, 2641 SolverSat, 719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI3 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp15 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq221 hnf87 smp100 dnf203 smp87 tf102 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...