./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48e118e71ba9c6174bba9cfc8337ecdd3c6c3e0e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 07:12:53,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:12:53,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:12:53,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:12:53,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:12:53,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:12:53,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:12:53,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:12:53,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:12:53,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:12:53,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:12:53,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:12:53,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:12:53,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:12:53,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:12:53,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:12:53,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:12:53,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:12:53,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:12:53,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:12:53,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:12:53,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:12:53,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:12:53,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:12:53,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:12:53,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:12:53,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:12:53,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:12:53,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:12:53,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:12:53,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:12:53,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:12:53,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:12:53,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:12:53,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:12:53,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:12:53,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:12:53,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:12:53,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:12:53,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:12:53,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:12:53,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:12:53,679 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:12:53,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:12:53,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:12:53,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:12:53,681 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:12:53,681 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:12:53,682 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:12:53,682 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:12:53,682 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:12:53,682 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:12:53,683 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:12:53,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:12:53,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:12:53,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:12:53,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:12:53,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:12:53,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:12:53,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:12:53,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:12:53,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:12:53,685 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:12:53,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:12:53,685 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:12:53,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:12:53,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:12:53,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:12:53,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:12:53,687 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:12:53,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:12:53,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:12:53,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:12:53,688 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:12:53,689 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:12:53,689 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 -> 48e118e71ba9c6174bba9cfc8337ecdd3c6c3e0e [2020-10-20 07:12:53,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:12:53,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:12:53,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:12:53,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:12:53,928 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:12:53,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2020-10-20 07:12:54,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5fc9b93/338b72a7214441dba45fcdbb50ad03d2/FLAGdec9657ce [2020-10-20 07:12:54,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:12:54,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2020-10-20 07:12:54,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5fc9b93/338b72a7214441dba45fcdbb50ad03d2/FLAGdec9657ce [2020-10-20 07:12:54,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e5fc9b93/338b72a7214441dba45fcdbb50ad03d2 [2020-10-20 07:12:54,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:12:54,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:12:54,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:12:54,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:12:54,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:12:54,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:12:54" (1/1) ... [2020-10-20 07:12:54,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322af429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:54, skipping insertion in model container [2020-10-20 07:12:54,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:12:54" (1/1) ... [2020-10-20 07:12:54,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:12:54,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:12:55,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:12:55,707 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:12:55,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:12:55,915 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:12:55,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55 WrapperNode [2020-10-20 07:12:55,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:12:55,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:12:55,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:12:55,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:12:55,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:55,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:56,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:12:56,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:12:56,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:12:56,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:12:56,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:56,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:56,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:56,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:57,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:57,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:57,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (1/1) ... [2020-10-20 07:12:57,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:12:57,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:12:57,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:12:57,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:12:57,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (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 07:12:58,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:12:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:12:58,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:12:58,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:13:10,078 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:13:10,079 INFO L298 CfgBuilder]: Removed 1563 assume(true) statements. [2020-10-20 07:13:10,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:10 BoogieIcfgContainer [2020-10-20 07:13:10,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:13:10,088 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:13:10,088 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:13:10,092 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:13:10,093 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:10,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:12:54" (1/3) ... [2020-10-20 07:13:10,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea8ddbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:10, skipping insertion in model container [2020-10-20 07:13:10,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:10,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:55" (2/3) ... [2020-10-20 07:13:10,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ea8ddbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:13:10, skipping insertion in model container [2020-10-20 07:13:10,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:13:10,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:10" (3/3) ... [2020-10-20 07:13:10,098 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2020-10-20 07:13:10,138 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:13:10,138 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:13:10,138 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:13:10,138 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:13:10,139 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:13:10,139 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:13:10,139 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:13:10,139 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:13:10,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-20 07:13:10,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-20 07:13:10,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:10,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:10,471 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] [2020-10-20 07:13:10,471 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] [2020-10-20 07:13:10,472 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:13:10,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-20 07:13:10,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-20 07:13:10,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:10,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:10,570 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] [2020-10-20 07:13:10,570 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] [2020-10-20 07:13:10,577 INFO L794 eck$LassoCheckResult]: Stem: 2929#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~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; 6565#L-1true havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 1200#L432true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3737#L440true main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 3633#L3434true assume 0 != main_~tmp~29; 851#L3409true ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3118#L474true havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 1425#L777true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 4212#L802true bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 5342#L2790true assume 0 == initPersonOnFloor_~floor; 5385#L2791true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1211#L2898-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 2680#L2582true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 5269#L2594-2true havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2325#L1114true timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 3007#L2063true assume 0 != timeShift_~tmp~18; 3073#L2064true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4371#L1740-11true havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1536#L1105-2true __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 2913#L1165-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 5651#L1197-12true __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 4722#L517true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 6566#L527-1true cleanup_~i~3 := 0; 53#L3241-2true [2020-10-20 07:13:10,579 INFO L796 eck$LassoCheckResult]: Loop: 53#L3241-2true assume !false; 238#L3242true cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 1503#L3245true assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 1606#L928true cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 1125#L3249true assume 1 != cleanup_~tmp___0~10; 1124#L3249-1true havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 2152#L2519-122true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 3825#L2546-122true anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 4414#L1213true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 1764#L1277true isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 2148#L1290true cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 3601#L3261true assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2304#L1114-2true timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 3005#L2063-1true assume 0 != timeShift_~tmp~18; 3070#L2064-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4369#L1740-23true havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1533#L1105-5true __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 2866#L1165-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 5516#L1197-25true __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 4714#L517-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 6568#L527-3true cleanup_~i~3 := 1 + cleanup_~i~3; 53#L3241-2true [2020-10-20 07:13:10,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:10,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2042449897, now seen corresponding path program 1 times [2020-10-20 07:13:10,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:10,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327474203] [2020-10-20 07:13:10,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:11,060 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 07:13:11,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327474203] [2020-10-20 07:13:11,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:11,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:11,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579000220] [2020-10-20 07:13:11,070 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:11,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:11,070 INFO L82 PathProgramCache]: Analyzing trace with hash 192516488, now seen corresponding path program 1 times [2020-10-20 07:13:11,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:11,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308846692] [2020-10-20 07:13:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:11,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308846692] [2020-10-20 07:13:11,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:11,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 07:13:11,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467526725] [2020-10-20 07:13:11,159 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:13:11,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:11,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 07:13:11,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 07:13:11,181 INFO L87 Difference]: Start difference. First operand 6968 states. Second operand 4 states. [2020-10-20 07:13:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:12,900 INFO L93 Difference]: Finished difference Result 17141 states and 32445 transitions. [2020-10-20 07:13:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 07:13:12,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17141 states and 32445 transitions. [2020-10-20 07:13:13,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11959 [2020-10-20 07:13:13,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17141 states to 17099 states and 32396 transitions. [2020-10-20 07:13:13,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17099 [2020-10-20 07:13:13,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17099 [2020-10-20 07:13:13,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17099 states and 32396 transitions. [2020-10-20 07:13:13,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:13,975 INFO L691 BuchiCegarLoop]: Abstraction has 17099 states and 32396 transitions. [2020-10-20 07:13:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17099 states and 32396 transitions. [2020-10-20 07:13:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17099 to 6953. [2020-10-20 07:13:14,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6953 states. [2020-10-20 07:13:14,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 13170 transitions. [2020-10-20 07:13:14,296 INFO L714 BuchiCegarLoop]: Abstraction has 6953 states and 13170 transitions. [2020-10-20 07:13:14,296 INFO L594 BuchiCegarLoop]: Abstraction has 6953 states and 13170 transitions. [2020-10-20 07:13:14,296 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:13:14,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6953 states and 13170 transitions. [2020-10-20 07:13:14,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3473 [2020-10-20 07:13:14,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:14,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:14,350 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] [2020-10-20 07:13:14,350 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] [2020-10-20 07:13:14,351 INFO L794 eck$LassoCheckResult]: Stem: 27869#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~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; 27870#L-1 havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 25989#L432 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 25990#L440 main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 28603#L3434 assume 0 != main_~tmp~29; 25565#L3409 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 25566#L474 havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 26138#L777 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 25800#L802 bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 28942#L2790 assume 0 == initPersonOnFloor_~floor; 29953#L2791 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 25171#L2898-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 26006#L2582 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 27454#L2594-2 havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27063#L1114 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 27064#L2063 assume 0 != timeShift_~tmp~18; 27962#L2064 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 28077#L1740-11 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 26163#L1105-2 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 26164#L1165-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 27724#L1197-12 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 29525#L517 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27036#L1114-1 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 27037#L527 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 30235#L527-1 cleanup_~i~3 := 0; 24234#L3241-2 [2020-10-20 07:13:14,351 INFO L796 eck$LassoCheckResult]: Loop: 24234#L3241-2 assume !false; 24235#L3242 cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 24682#L3245 assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 26144#L928 cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 25859#L3249 assume 1 != cleanup_~tmp___0~10; 25857#L3249-1 havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 25858#L2519-122 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 25064#L2546-122 anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 28717#L1213 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 26511#L1277 isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 26512#L1290 cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 26888#L3261 assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27040#L1114-2 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 27041#L2063-1 assume 0 != timeShift_~tmp~18; 27958#L2064-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 28071#L1740-23 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 26159#L1105-5 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 26160#L1165-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 27583#L1197-25 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 29517#L517-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27043#L1114-3 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 27044#L527-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 30236#L527-3 cleanup_~i~3 := 1 + cleanup_~i~3; 24234#L3241-2 [2020-10-20 07:13:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:14,352 INFO L82 PathProgramCache]: Analyzing trace with hash 6233140, now seen corresponding path program 1 times [2020-10-20 07:13:14,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:14,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206994440] [2020-10-20 07:13:14,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:14,427 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 07:13:14,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206994440] [2020-10-20 07:13:14,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:14,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:14,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396926837] [2020-10-20 07:13:14,429 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:14,430 INFO L82 PathProgramCache]: Analyzing trace with hash 325816645, now seen corresponding path program 1 times [2020-10-20 07:13:14,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:14,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271705106] [2020-10-20 07:13:14,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:13:14,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271705106] [2020-10-20 07:13:14,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:14,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 07:13:14,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115368752] [2020-10-20 07:13:14,478 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:13:14,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:14,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 07:13:14,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 07:13:14,479 INFO L87 Difference]: Start difference. First operand 6953 states and 13170 transitions. cyclomatic complexity: 6218 Second operand 7 states. [2020-10-20 07:13:15,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:15,906 INFO L93 Difference]: Finished difference Result 13201 states and 24891 transitions. [2020-10-20 07:13:15,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-20 07:13:15,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13201 states and 24891 transitions. [2020-10-20 07:13:15,987 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10575 [2020-10-20 07:13:16,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13201 states to 13201 states and 24891 transitions. [2020-10-20 07:13:16,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13201 [2020-10-20 07:13:16,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13201 [2020-10-20 07:13:16,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13201 states and 24891 transitions. [2020-10-20 07:13:16,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:16,197 INFO L691 BuchiCegarLoop]: Abstraction has 13201 states and 24891 transitions. [2020-10-20 07:13:16,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13201 states and 24891 transitions. [2020-10-20 07:13:16,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13201 to 6936. [2020-10-20 07:13:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6936 states. [2020-10-20 07:13:16,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 13113 transitions. [2020-10-20 07:13:16,513 INFO L714 BuchiCegarLoop]: Abstraction has 6936 states and 13113 transitions. [2020-10-20 07:13:16,513 INFO L594 BuchiCegarLoop]: Abstraction has 6936 states and 13113 transitions. [2020-10-20 07:13:16,513 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:13:16,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6936 states and 13113 transitions. [2020-10-20 07:13:16,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4339 [2020-10-20 07:13:16,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:13:16,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:13:16,546 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] [2020-10-20 07:13:16,546 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] [2020-10-20 07:13:16,547 INFO L794 eck$LassoCheckResult]: Stem: 48459#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~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;~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; 48460#L-1 havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 46142#L432 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 46143#L440 main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 49462#L3434 assume 0 != main_~tmp~29; 45680#L3409 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 45681#L474 havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 46419#L777 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 45977#L802 bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 47370#L2790 assume 0 == initPersonOnFloor_~floor; 47371#L2791 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 44602#L2898-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 46170#L2582 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 47219#L2594-2 havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 47224#L1114 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 47743#L2063 assume 0 != timeShift_~tmp~18; 48603#L2064 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 44981#L1740-11 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 44982#L1105-2 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 46523#L1165-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 47191#L1197-12 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 46352#L517 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 46353#L1114-1 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 47705#L527 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 49475#L528 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 49551#L529 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 49996#L527-1 cleanup_~i~3 := 0; 44426#L3241-2 [2020-10-20 07:13:16,547 INFO L796 eck$LassoCheckResult]: Loop: 44426#L3241-2 assume !false; 44427#L3242 cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 44852#L3245 assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 46438#L928 cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 46037#L3249 assume 1 != cleanup_~tmp___0~10; 46035#L3249-1 havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 46036#L2519-122 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 45167#L2546-122 anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 45312#L1213 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 44626#L1277 isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 47132#L1290 cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 47559#L3261 assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 47710#L1114-2 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 47711#L2063-1 assume 0 != timeShift_~tmp~18; 48599#L2064-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 44964#L1740-23 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 44965#L1105-5 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 46505#L1165-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 47302#L1197-25 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 46326#L517-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 46327#L1114-3 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 49459#L527-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 49460#L528-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 49368#L529-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 48283#L527-3 cleanup_~i~3 := 1 + cleanup_~i~3; 44426#L3241-2 [2020-10-20 07:13:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:16,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1693707535, now seen corresponding path program 1 times [2020-10-20 07:13:16,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:16,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576710725] [2020-10-20 07:13:16,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:16,633 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 07:13:16,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576710725] [2020-10-20 07:13:16,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:13:16,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:13:16,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952790081] [2020-10-20 07:13:16,634 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:13:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:16,635 INFO L82 PathProgramCache]: Analyzing trace with hash -423653952, now seen corresponding path program 1 times [2020-10-20 07:13:16,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:13:16,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494583326] [2020-10-20 07:13:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:13:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:16,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:13:16,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:13:16,708 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:13:17,080 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-10-20 07:13:17,318 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-20 07:13:17,329 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:17,330 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:17,330 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:17,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:17,331 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:13:17,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:17,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:17,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:17,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2020-10-20 07:13:17,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:17,332 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:17,355 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 07:13:17,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,403 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 07:13:17,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:17,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:18,041 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-10-20 07:13:18,455 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:18,457 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 07:13:18,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,472 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:18,482 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,483 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:18,571 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,571 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:18,587 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,587 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~9=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~0=0} Honda state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~9=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~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 07:13:18,704 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,704 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:18,710 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,710 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~persons_0~0=1} Honda state: {~persons_0~0=1} 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 07:13:18,761 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,762 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 07:13:18,773 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,774 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_isIdle_~retValue_acc~15=0, ULTIMATE.start_cleanup_~tmp~27=0} Honda state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_isIdle_~retValue_acc~15=0, ULTIMATE.start_cleanup_~tmp~27=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 07:13:18,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,820 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 07:13:18,831 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret105=0} Honda state: {ULTIMATE.start_timeShift_#t~ret105=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) [2020-10-20 07:13:18,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,885 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:18,896 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,897 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=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 07:13:18,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,948 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:18,959 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:18,960 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret45=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret45=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:18,997 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:18,997 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:19,002 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:13:19,002 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:19,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:19,032 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:19,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:19,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:31,116 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-20 07:13:31,119 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:31,119 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:31,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:31,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:31,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:31,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:31,120 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:31,120 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:31,120 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2020-10-20 07:13:31,120 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:31,121 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:31,127 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 07:13:31,134 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 07:13:31,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,160 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 07:13:31,175 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 07:13:31,184 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 07:13:31,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,214 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 07:13:31,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,253 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 07:13:31,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,258 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 07:13:31,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:31,279 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 07:13:31,283 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 07:13:31,289 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 07:13:31,715 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:31,725 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:31,735 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 07:13:31,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:31,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:31,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:31,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:31,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:31,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:31,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:31,742 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 07:13:31,792 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 07:13:31,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:31,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:31,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:31,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:31,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:31,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:31,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:31,798 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 07:13:31,840 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 07:13:31,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:31,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:31,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:31,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:31,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:31,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:31,844 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 07:13:31,847 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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:31,879 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 07:13:31,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:31,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:31,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:31,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:31,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:31,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:31,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:31,887 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:31,893 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:13:31,894 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 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:31,925 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:31,926 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:31,926 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:31,927 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2020-10-20 07:13:31,959 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:31,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:32,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:32,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:32,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:13:32,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:32,209 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 07:13:32,215 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 07:13:32,216 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6936 states and 13113 transitions. cyclomatic complexity: 6178 Second operand 5 states. [2020-10-20 07:13:32,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6936 states and 13113 transitions. cyclomatic complexity: 6178. Second operand 5 states. Result 11275 states and 21317 transitions. Complement of second has 8 states. [2020-10-20 07:13:32,944 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 07:13:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:13:32,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9943 transitions. [2020-10-20 07:13:32,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 27 letters. Loop has 25 letters. [2020-10-20 07:13:32,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:32,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 52 letters. Loop has 25 letters. [2020-10-20 07:13:32,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:32,960 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 27 letters. Loop has 50 letters. [2020-10-20 07:13:32,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:32,961 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11275 states and 21317 transitions. [2020-10-20 07:13:33,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:33,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11275 states to 0 states and 0 transitions. [2020-10-20 07:13:33,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:33,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:33,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:33,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:33,040 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:33,040 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:33,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:33,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:33,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:33,041 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:13:33,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:33,041 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:13:33,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:13:33,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:13:33,042 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:33,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:13:33,042 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:33,042 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:33,042 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:33,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:33,042 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:33,042 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:33,043 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:33,043 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 07:13:33,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:13:33,043 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:33,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:13:33,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:13:33 BoogieIcfgContainer [2020-10-20 07:13:33,108 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:13:33,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:13:33,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:13:33,109 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:13:33,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:13:10" (3/4) ... [2020-10-20 07:13:33,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:13:33,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:13:33,119 INFO L168 Benchmark]: Toolchain (without parser) took 38288.10 ms. Allocated memory was 34.6 MB in the beginning and 346.6 MB in the end (delta: 312.0 MB). Free memory was 12.7 MB in the beginning and 174.6 MB in the end (delta: -161.8 MB). Peak memory consumption was 150.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,123 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 10.2 MB in the beginning and 10.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.21 ms. Allocated memory was 34.6 MB in the beginning and 46.1 MB in the end (delta: 11.5 MB). Free memory was 11.9 MB in the beginning and 15.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 649.02 ms. Allocated memory was 46.1 MB in the beginning and 66.6 MB in the end (delta: 20.4 MB). Free memory was 14.7 MB in the beginning and 21.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,128 INFO L168 Benchmark]: Boogie Preprocessor took 1389.53 ms. Allocated memory was 66.6 MB in the beginning and 110.1 MB in the end (delta: 43.5 MB). Free memory was 21.1 MB in the beginning and 28.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,130 INFO L168 Benchmark]: RCFGBuilder took 12130.55 ms. Allocated memory was 110.1 MB in the beginning and 203.4 MB in the end (delta: 93.3 MB). Free memory was 28.7 MB in the beginning and 29.5 MB in the end (delta: -791.1 kB). Peak memory consumption was 109.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,132 INFO L168 Benchmark]: BuchiAutomizer took 23020.43 ms. Allocated memory was 203.4 MB in the beginning and 346.6 MB in the end (delta: 143.1 MB). Free memory was 29.5 MB in the beginning and 174.6 MB in the end (delta: -145.1 MB). Peak memory consumption was 60.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:33,133 INFO L168 Benchmark]: Witness Printer took 7.12 ms. Allocated memory is still 346.6 MB. Free memory is still 174.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:13:33,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 33.0 MB. Free memory was 10.2 MB in the beginning and 10.1 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1078.21 ms. Allocated memory was 34.6 MB in the beginning and 46.1 MB in the end (delta: 11.5 MB). Free memory was 11.9 MB in the beginning and 15.0 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 649.02 ms. Allocated memory was 46.1 MB in the beginning and 66.6 MB in the end (delta: 20.4 MB). Free memory was 14.7 MB in the beginning and 21.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 1389.53 ms. Allocated memory was 66.6 MB in the beginning and 110.1 MB in the end (delta: 43.5 MB). Free memory was 21.1 MB in the beginning and 28.7 MB in the end (delta: -7.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 12130.55 ms. Allocated memory was 110.1 MB in the beginning and 203.4 MB in the end (delta: 93.3 MB). Free memory was 28.7 MB in the beginning and 29.5 MB in the end (delta: -791.1 kB). Peak memory consumption was 109.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 23020.43 ms. Allocated memory was 203.4 MB in the beginning and 346.6 MB in the end (delta: 143.1 MB). Free memory was 29.5 MB in the beginning and 174.6 MB in the end (delta: -145.1 MB). Peak memory consumption was 60.2 MB. Max. memory is 14.3 GB. * Witness Printer took 7.12 ms. Allocated memory is still 346.6 MB. Free memory is still 174.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 16.1s. Construction of modules took 1.5s. Büchi inclusion checks took 2.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.6s AutomataMinimizationTime, 2 MinimizatonAttempts, 16411 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.3s Buchi closure took 0.0s. Biggest automaton had 6953 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45325 SDtfs, 87174 SDslu, 102543 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital121 mio100 ax100 hnf100 lsp14 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...