./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product28.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_product28.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 e14c25185b5e281aab13412929910c7c8204d9ad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 07:12:39,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:12:39,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:12:39,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:12:39,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:12:39,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:12:39,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:12:39,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:12:39,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:12:39,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:12:39,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:12:39,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:12:39,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:12:39,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:12:39,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:12:39,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:12:39,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:12:39,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:12:39,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:12:39,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:12:39,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:12:39,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:12:39,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:12:39,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:12:39,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:12:39,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:12:39,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:12:39,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:12:39,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:12:39,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:12:39,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:12:39,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:12:39,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:12:39,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:12:39,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:12:39,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:12:39,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:12:39,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:12:39,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:12:39,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:12:39,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:12:39,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:12:39,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:12:39,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:12:39,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:12:39,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:12:39,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:12:39,887 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:12:39,887 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:12:39,888 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:12:39,888 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:12:39,888 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:12:39,889 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:12:39,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:12:39,890 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:12:39,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:12:39,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:12:39,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:12:39,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:12:39,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:12:39,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:12:39,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:12:39,892 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:12:39,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:12:39,893 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:12:39,893 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:12:39,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:12:39,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:12:39,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:12:39,894 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:12:39,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:12:39,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:12:39,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:12:39,895 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:12:39,896 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:12:39,897 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 -> e14c25185b5e281aab13412929910c7c8204d9ad [2020-10-20 07:12:40,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:12:40,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:12:40,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:12:40,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:12:40,141 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:12:40,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2020-10-20 07:12:40,216 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb4c086e/df310cb803264cc3bb1cbed678a5e5e3/FLAG6a6d74ec4 [2020-10-20 07:12:40,949 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:12:40,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product28.cil.c [2020-10-20 07:12:40,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb4c086e/df310cb803264cc3bb1cbed678a5e5e3/FLAG6a6d74ec4 [2020-10-20 07:12:41,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bb4c086e/df310cb803264cc3bb1cbed678a5e5e3 [2020-10-20 07:12:41,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:12:41,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:12:41,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:12:41,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:12:41,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:12:41,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:12:41" (1/1) ... [2020-10-20 07:12:41,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58167e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:41, skipping insertion in model container [2020-10-20 07:12:41,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:12:41" (1/1) ... [2020-10-20 07:12:41,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:12:41,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:12:41,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:12:41,783 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:12:41,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:12:42,052 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:12:42,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42 WrapperNode [2020-10-20 07:12:42,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:12:42,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:12:42,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:12:42,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:12:42,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:12:42,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:12:42,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:12:42,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:12:42,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:42,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:43,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:43,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (1/1) ... [2020-10-20 07:12:43,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:12:43,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:12:43,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:12:43,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:12:43,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (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 07:12:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:12:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:12:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:12:43,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:12:53,127 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:12:53,129 INFO L298 CfgBuilder]: Removed 1243 assume(true) statements. [2020-10-20 07:12:53,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:12:53 BoogieIcfgContainer [2020-10-20 07:12:53,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:12:53,136 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:12:53,136 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:12:53,140 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:12:53,141 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:12:53,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:12:41" (1/3) ... [2020-10-20 07:12:53,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cc0b4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:12:53, skipping insertion in model container [2020-10-20 07:12:53,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:12:53,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:12:42" (2/3) ... [2020-10-20 07:12:53,144 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cc0b4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:12:53, skipping insertion in model container [2020-10-20 07:12:53,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:12:53,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:12:53" (3/3) ... [2020-10-20 07:12:53,146 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product28.cil.c [2020-10-20 07:12:53,191 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:12:53,191 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:12:53,191 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:12:53,191 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:12:53,191 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:12:53,191 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:12:53,192 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:12:53,192 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:12:53,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5044 states. [2020-10-20 07:12:53,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2020-10-20 07:12:53,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:12:53,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:12:53,443 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 07:12:53,443 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 07:12:53,443 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:12:53,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5044 states. [2020-10-20 07:12:53,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2509 [2020-10-20 07:12:53,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:12:53,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:12:53,505 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 07:12:53,505 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 07:12:53,512 INFO L794 eck$LassoCheckResult]: Stem: 3129#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~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string64.base, #t~string64.offset, 1);call write~init~int(95, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(93, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string66.base, #t~string66.offset, 1);call write~init~int(93, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(97, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string74.base, #t~string74.offset, 1);call write~init~int(112, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string76.base, #t~string76.offset, 1);call write~init~int(111, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(119, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(110, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(76, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(95, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(112, #t~string78.base, 4 + #t~string78.offset, 1);call write~init~int(58, #t~string78.base, 5 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 6 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(37, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(105, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string82.base, #t~string82.offset, 1);call write~init~int(37, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(105, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(37, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(105, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(70, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(95, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(112, #t~string90.base, 3 + #t~string90.offset, 1);call write~init~int(58, #t~string90.base, 4 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 5 + #t~string90.offset, 1);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string93.base, #t~string93.offset, 1);call write~init~int(37, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(105, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(37, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(105, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string107.base, #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 1 + #t~string107.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(30);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~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; 4202#L-1true havoc main_#res;havoc main_#t~ret164, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 373#L855true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 31#L863true main_#t~ret164 := valid_product_#res;main_~tmp~27 := main_#t~ret164;havoc main_#t~ret164; 509#L3340true assume 0 != main_~tmp~27; 2247#L3314true ~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; 3444#L2857true havoc bigMacCall_#t~ret157, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 2432#L755true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 760#L780true bigMacCall_#t~ret157 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret157;havoc bigMacCall_#t~ret157;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 1082#L401true assume 0 == initPersonOnFloor_~floor; 1007#L402true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 226#L509-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 4540#L193true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 3694#L205-2true havoc cleanup_#t~ret158, cleanup_#t~ret159, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 563#L1139true timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 1893#L2082true assume 0 != timeShift_~tmp~12; 2069#L2083true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 582#L1755-11true havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 828#L1130-6true __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1154#L1190-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 792#L1222-12true __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 498#L2900true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~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; 3892#L2910-1true cleanup_~i~1 := 0; 483#L3146-2true [2020-10-20 07:12:53,514 INFO L796 eck$LassoCheckResult]: Loop: 483#L3146-2true assume !false; 293#L3147true cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 160#L3150true assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;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; 109#L952true cleanup_#t~ret158 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret158;havoc cleanup_#t~ret158; 117#L3154true assume 1 != cleanup_~tmp___0~9; 122#L3154-1true havoc isIdle_#res;havoc isIdle_#t~ret16, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret11, anyStopRequested_#t~ret12, anyStopRequested_#t~ret13, anyStopRequested_#t~ret14, anyStopRequested_#t~ret15, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 1477#L130-50true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 18#L157-50true anyStopRequested_#t~ret11 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret11;havoc anyStopRequested_#t~ret11; 3954#L1238true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 216#L1302true isIdle_#t~ret16 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret16;havoc isIdle_#t~ret16;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 570#L1315true cleanup_#t~ret159 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret159;havoc cleanup_#t~ret159; 4404#L3166true assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 566#L1139-2true timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 1898#L2082-1true assume 0 != timeShift_~tmp~12; 2085#L2083-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 554#L1755-23true havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 902#L1130-13true __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 1092#L1190-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 641#L1222-25true __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 499#L2900-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~5;~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; 3895#L2910-3true cleanup_~i~1 := 1 + cleanup_~i~1; 483#L3146-2true [2020-10-20 07:12:53,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:53,521 INFO L82 PathProgramCache]: Analyzing trace with hash 235059287, now seen corresponding path program 1 times [2020-10-20 07:12:53,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:53,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411313614] [2020-10-20 07:12:53,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:12:53,927 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 07:12:53,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411313614] [2020-10-20 07:12:53,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:12:53,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:12:53,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235278321] [2020-10-20 07:12:53,935 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:12:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash 2025712606, now seen corresponding path program 1 times [2020-10-20 07:12:53,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:53,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983852376] [2020-10-20 07:12:53,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:12:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:12:53,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983852376] [2020-10-20 07:12:53,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:12:53,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 07:12:53,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49713585] [2020-10-20 07:12:53,982 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:12:53,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:12:54,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 07:12:54,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 07:12:54,004 INFO L87 Difference]: Start difference. First operand 5044 states. Second operand 4 states. [2020-10-20 07:12:54,506 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-10-20 07:12:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:12:55,489 INFO L93 Difference]: Finished difference Result 13293 states and 25069 transitions. [2020-10-20 07:12:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 07:12:55,492 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13293 states and 25069 transitions. [2020-10-20 07:12:55,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9073 [2020-10-20 07:12:56,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13293 states to 13251 states and 25020 transitions. [2020-10-20 07:12:56,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13251 [2020-10-20 07:12:56,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13251 [2020-10-20 07:12:56,270 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13251 states and 25020 transitions. [2020-10-20 07:12:56,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:12:56,303 INFO L691 BuchiCegarLoop]: Abstraction has 13251 states and 25020 transitions. [2020-10-20 07:12:56,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13251 states and 25020 transitions. [2020-10-20 07:12:56,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13251 to 5029. [2020-10-20 07:12:56,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5029 states. [2020-10-20 07:12:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 5029 states and 9482 transitions. [2020-10-20 07:12:56,532 INFO L714 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2020-10-20 07:12:56,532 INFO L594 BuchiCegarLoop]: Abstraction has 5029 states and 9482 transitions. [2020-10-20 07:12:56,533 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:12:56,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5029 states and 9482 transitions. [2020-10-20 07:12:56,660 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2511 [2020-10-20 07:12:56,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:12:56,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:12:56,664 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 07:12:56,665 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 07:12:56,665 INFO L794 eck$LassoCheckResult]: Stem: 22172#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~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string64.base, #t~string64.offset, 1);call write~init~int(95, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(93, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string66.base, #t~string66.offset, 1);call write~init~int(93, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(97, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string74.base, #t~string74.offset, 1);call write~init~int(112, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string76.base, #t~string76.offset, 1);call write~init~int(111, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(119, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(110, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(76, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(95, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(112, #t~string78.base, 4 + #t~string78.offset, 1);call write~init~int(58, #t~string78.base, 5 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 6 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(37, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(105, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string82.base, #t~string82.offset, 1);call write~init~int(37, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(105, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(37, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(105, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(70, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(95, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(112, #t~string90.base, 3 + #t~string90.offset, 1);call write~init~int(58, #t~string90.base, 4 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 5 + #t~string90.offset, 1);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string93.base, #t~string93.offset, 1);call write~init~int(37, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(105, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(37, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(105, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string107.base, #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 1 + #t~string107.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(30);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~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; 22173#L-1 havoc main_#res;havoc main_#t~ret164, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 19032#L855 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 18407#L863 main_#t~ret164 := valid_product_#res;main_~tmp~27 := main_#t~ret164;havoc main_#t~ret164; 18408#L3340 assume 0 != main_~tmp~27; 19214#L3314 ~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; 21306#L2857 havoc bigMacCall_#t~ret157, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 21437#L755 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 18386#L780 bigMacCall_#t~ret157 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret157;havoc bigMacCall_#t~ret157;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 19637#L401 assume 0 == initPersonOnFloor_~floor; 19998#L402 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 18458#L509-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 18796#L193 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 21514#L205-2 havoc cleanup_#t~ret158, cleanup_#t~ret159, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 19350#L1139 timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 19351#L2082 assume 0 != timeShift_~tmp~12; 21022#L2083 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19393#L1755-11 havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 19394#L1130-6 __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 19692#L1190-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 18994#L1222-12 __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 19183#L2900 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);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; 19184#L1139-1 __utac_acc__Specification9_spec__3_#t~ret150 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret150;havoc __utac_acc__Specification9_spec__3_#t~ret150; 19354#L2910 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 22223#L2910-1 cleanup_~i~1 := 0; 19159#L3146-2 [2020-10-20 07:12:56,667 INFO L796 eck$LassoCheckResult]: Loop: 19159#L3146-2 assume !false; 18891#L3147 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 18683#L3150 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;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; 18578#L952 cleanup_#t~ret158 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret158;havoc cleanup_#t~ret158; 18579#L3154 assume 1 != cleanup_~tmp___0~9; 18597#L3154-1 havoc isIdle_#res;havoc isIdle_#t~ret16, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret11, anyStopRequested_#t~ret12, anyStopRequested_#t~ret13, anyStopRequested_#t~ret14, anyStopRequested_#t~ret15, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 18606#L130-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 18383#L157-50 anyStopRequested_#t~ret11 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret11;havoc anyStopRequested_#t~ret11; 18384#L1238 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 18782#L1302 isIdle_#t~ret16 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret16;havoc isIdle_#t~ret16;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 18783#L1315 cleanup_#t~ret159 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret159;havoc cleanup_#t~ret159; 19363#L3166 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 19355#L1139-2 timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 19356#L2082-1 assume 0 != timeShift_~tmp~12; 21031#L2083-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 19328#L1755-23 havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 19329#L1130-13 __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 19766#L1190-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 18956#L1222-25 __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 19185#L2900-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);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; 19186#L1139-3 __utac_acc__Specification9_spec__3_#t~ret150 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret150;havoc __utac_acc__Specification9_spec__3_#t~ret150; 19359#L2910-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~8); 22210#L2910-3 cleanup_~i~1 := 1 + cleanup_~i~1; 19159#L3146-2 [2020-10-20 07:12:56,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:56,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1740912844, now seen corresponding path program 1 times [2020-10-20 07:12:56,668 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:56,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487043229] [2020-10-20 07:12:56,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:12:56,784 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 07:12:56,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487043229] [2020-10-20 07:12:56,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:12:56,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:12:56,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98439099] [2020-10-20 07:12:56,786 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:12:56,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:56,787 INFO L82 PathProgramCache]: Analyzing trace with hash 1090392987, now seen corresponding path program 1 times [2020-10-20 07:12:56,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:56,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237982467] [2020-10-20 07:12:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:12:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:12:56,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237982467] [2020-10-20 07:12:56,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:12:56,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-20 07:12:56,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078322891] [2020-10-20 07:12:56,833 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 07:12:56,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:12:56,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-20 07:12:56,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-20 07:12:56,834 INFO L87 Difference]: Start difference. First operand 5029 states and 9482 transitions. cyclomatic complexity: 4454 Second operand 7 states. [2020-10-20 07:12:57,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:12:57,880 INFO L93 Difference]: Finished difference Result 8306 states and 15521 transitions. [2020-10-20 07:12:57,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-20 07:12:57,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8306 states and 15521 transitions. [2020-10-20 07:12:57,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6659 [2020-10-20 07:12:57,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8306 states to 8306 states and 15521 transitions. [2020-10-20 07:12:57,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8306 [2020-10-20 07:12:58,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8306 [2020-10-20 07:12:58,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8306 states and 15521 transitions. [2020-10-20 07:12:58,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:12:58,019 INFO L691 BuchiCegarLoop]: Abstraction has 8306 states and 15521 transitions. [2020-10-20 07:12:58,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8306 states and 15521 transitions. [2020-10-20 07:12:58,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8306 to 4497. [2020-10-20 07:12:58,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4497 states. [2020-10-20 07:12:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 4497 states and 8443 transitions. [2020-10-20 07:12:58,700 INFO L714 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2020-10-20 07:12:58,700 INFO L594 BuchiCegarLoop]: Abstraction has 4497 states and 8443 transitions. [2020-10-20 07:12:58,700 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:12:58,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4497 states and 8443 transitions. [2020-10-20 07:12:58,720 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2879 [2020-10-20 07:12:58,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:12:58,721 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:12:58,723 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 07:12:58,723 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 07:12:58,724 INFO L794 eck$LassoCheckResult]: Stem: 34703#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~string62.base, #t~string62.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string64.base, #t~string64.offset, 1);call write~init~int(95, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(93, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string66.base, #t~string66.offset, 1);call write~init~int(93, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string68.base, #t~string68.offset, 1);call write~init~int(97, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string70.base, #t~string70.offset, 1);call write~init~int(105, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string74.base, #t~string74.offset, 1);call write~init~int(112, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string76.base, #t~string76.offset, 1);call write~init~int(111, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(119, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(110, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string78.base, #t~string78.offset, 1);call write~init~int(73, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(76, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(95, #t~string78.base, 3 + #t~string78.offset, 1);call write~init~int(112, #t~string78.base, 4 + #t~string78.offset, 1);call write~init~int(58, #t~string78.base, 5 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 6 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string80.base, #t~string80.offset, 1);call write~init~int(37, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(105, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string82.base, #t~string82.offset, 1);call write~init~int(37, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(105, #t~string82.base, 2 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 3 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string84.base, #t~string84.offset, 1);call write~init~int(37, #t~string84.base, 1 + #t~string84.offset, 1);call write~init~int(105, #t~string84.base, 2 + #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 3 + #t~string84.offset, 1);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string86.base, #t~string86.offset, 1);call write~init~int(37, #t~string86.base, 1 + #t~string86.offset, 1);call write~init~int(105, #t~string86.base, 2 + #t~string86.offset, 1);call write~init~int(0, #t~string86.base, 3 + #t~string86.offset, 1);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string88.base, #t~string88.offset, 1);call write~init~int(37, #t~string88.base, 1 + #t~string88.offset, 1);call write~init~int(105, #t~string88.base, 2 + #t~string88.offset, 1);call write~init~int(0, #t~string88.base, 3 + #t~string88.offset, 1);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string90.base, #t~string90.offset, 1);call write~init~int(70, #t~string90.base, 1 + #t~string90.offset, 1);call write~init~int(95, #t~string90.base, 2 + #t~string90.offset, 1);call write~init~int(112, #t~string90.base, 3 + #t~string90.offset, 1);call write~init~int(58, #t~string90.base, 4 + #t~string90.offset, 1);call write~init~int(0, #t~string90.base, 5 + #t~string90.offset, 1);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string93.base, #t~string93.offset, 1);call write~init~int(37, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(105, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string96.base, #t~string96.offset, 1);call write~init~int(37, #t~string96.base, 1 + #t~string96.offset, 1);call write~init~int(105, #t~string96.base, 2 + #t~string96.offset, 1);call write~init~int(0, #t~string96.base, 3 + #t~string96.offset, 1);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string99.base, #t~string99.offset, 1);call write~init~int(37, #t~string99.base, 1 + #t~string99.offset, 1);call write~init~int(105, #t~string99.base, 2 + #t~string99.offset, 1);call write~init~int(0, #t~string99.base, 3 + #t~string99.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string102.base, #t~string102.offset, 1);call write~init~int(37, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(105, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string105.base, #t~string105.offset, 1);call write~init~int(37, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(105, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string107.base, #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 1 + #t~string107.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(30);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(21);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(30);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(9);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(25);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(30);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~weight~0 := 0;~maximumWeight~0 := 100;~executiveFloor~0 := 4;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~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; 34704#L-1 havoc main_#res;havoc main_#t~ret164, main_~retValue_acc~29, main_~tmp~27;havoc main_~retValue_acc~29;havoc main_~tmp~27; 32244#L855 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 31750#L863 main_#t~ret164 := valid_product_#res;main_~tmp~27 := main_#t~ret164;havoc main_#t~ret164; 31751#L3340 assume 0 != main_~tmp~27; 32397#L3314 ~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; 34029#L2857 havoc bigMacCall_#t~ret157, bigMacCall_~tmp~24;havoc bigMacCall_~tmp~24;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~4;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~4; 34126#L755 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~4 := 4;getOrigin_#res := getOrigin_~retValue_acc~4; 31745#L780 bigMacCall_#t~ret157 := getOrigin_#res;bigMacCall_~tmp~24 := bigMacCall_#t~ret157;havoc bigMacCall_#t~ret157;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~24;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 32723#L401 assume 0 == initPersonOnFloor_~floor; 33016#L402 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 31782#L509-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 32066#L193 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 34201#L205-2 havoc cleanup_#t~ret158, cleanup_#t~ret159, cleanup_~i~1, cleanup_~tmp~25, cleanup_~tmp___0~9, cleanup_~__cil_tmp4~2;havoc cleanup_~i~1;havoc cleanup_~tmp~25;havoc cleanup_~tmp___0~9;havoc cleanup_~__cil_tmp4~2;havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 32494#L1139 timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 32495#L2082 assume 0 != timeShift_~tmp~12; 33814#L2083 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32525#L1755-11 havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 32526#L1130-6 __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 32766#L1190-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32221#L1222-12 __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 32372#L2900 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);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; 32373#L1139-1 __utac_acc__Specification9_spec__3_#t~ret150 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret150;havoc __utac_acc__Specification9_spec__3_#t~ret150; 32496#L2910 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35042#L2911 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35044#L2912 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 35739#L2910-1 cleanup_~i~1 := 0; 35734#L3146-2 [2020-10-20 07:12:58,724 INFO L796 eck$LassoCheckResult]: Loop: 35734#L3146-2 assume !false; 35732#L3147 cleanup_~__cil_tmp4~2 := ~cleanupTimeShifts~0 - 1; 35731#L3150 assume cleanup_~i~1 < cleanup_~__cil_tmp4~2;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; 35726#L952 cleanup_#t~ret158 := isBlocked_#res;cleanup_~tmp___0~9 := cleanup_#t~ret158;havoc cleanup_#t~ret158; 35725#L3154 assume 1 != cleanup_~tmp___0~9; 35724#L3154-1 havoc isIdle_#res;havoc isIdle_#t~ret16, isIdle_~retValue_acc~15, isIdle_~tmp~4;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~4;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret11, anyStopRequested_#t~ret12, anyStopRequested_#t~ret13, anyStopRequested_#t~ret14, anyStopRequested_#t~ret15, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~3, anyStopRequested_~tmp___0~0, anyStopRequested_~tmp___1~0, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~3;havoc anyStopRequested_~tmp___0~0;havoc anyStopRequested_~tmp___1~0;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~0;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~0; 35717#L130-50 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~0 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~0; 35713#L157-50 anyStopRequested_#t~ret11 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret11;havoc anyStopRequested_#t~ret11; 35700#L1238 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 35696#L1302 isIdle_#t~ret16 := anyStopRequested_#res;isIdle_~tmp~4 := isIdle_#t~ret16;havoc isIdle_#t~ret16;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~4 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 35695#L1315 cleanup_#t~ret159 := isIdle_#res;cleanup_~tmp~25 := cleanup_#t~ret159;havoc cleanup_#t~ret159; 35435#L3166 assume !(0 != cleanup_~tmp~25);havoc timeShift_#t~ret61, timeShift_~tmp~12;havoc timeShift_~tmp~12;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; 32497#L1139-2 timeShift_#t~ret61 := areDoorsOpen_#res;timeShift_~tmp~12 := timeShift_#t~ret61;havoc timeShift_#t~ret61; 32498#L2082-1 assume 0 != timeShift_~tmp~12; 33823#L2083-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 32478#L1755-23 havoc __utac_acc__Specification9_spec__3_#t~ret148, __utac_acc__Specification9_spec__3_#t~ret149, __utac_acc__Specification9_spec__3_#t~ret150, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~18, __utac_acc__Specification9_spec__3_~tmp___0~8, __utac_acc__Specification9_spec__3_~tmp___1~5;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~18;havoc __utac_acc__Specification9_spec__3_~tmp___0~8;havoc __utac_acc__Specification9_spec__3_~tmp___1~5;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; 32479#L1130-13 __utac_acc__Specification9_spec__3_#t~ret148 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~18 := __utac_acc__Specification9_spec__3_#t~ret148;havoc __utac_acc__Specification9_spec__3_#t~ret148;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~18;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 32825#L1190-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 32192#L1222-25 __utac_acc__Specification9_spec__3_#t~ret149 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~5 := __utac_acc__Specification9_spec__3_#t~ret149;havoc __utac_acc__Specification9_spec__3_#t~ret149; 32620#L2900-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~5);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; 35977#L1139-3 __utac_acc__Specification9_spec__3_#t~ret150 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~8 := __utac_acc__Specification9_spec__3_#t~ret150;havoc __utac_acc__Specification9_spec__3_#t~ret150; 35108#L2910-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~8; 35109#L2911-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 35164#L2912-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 34730#L2910-3 cleanup_~i~1 := 1 + cleanup_~i~1; 35734#L3146-2 [2020-10-20 07:12:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:58,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2018478799, now seen corresponding path program 1 times [2020-10-20 07:12:58,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:58,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948523998] [2020-10-20 07:12:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:12:58,789 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 07:12:58,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948523998] [2020-10-20 07:12:58,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:12:58,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 07:12:58,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437904274] [2020-10-20 07:12:58,791 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:12:58,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:12:58,791 INFO L82 PathProgramCache]: Analyzing trace with hash -105498602, now seen corresponding path program 1 times [2020-10-20 07:12:58,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:12:58,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776650254] [2020-10-20 07:12:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:12:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:12:58,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:12:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:12:58,808 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:12:58,839 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:12:59,155 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2020-10-20 07:12:59,422 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2020-10-20 07:12:59,433 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:12:59,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:12:59,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:12:59,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:12:59,435 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:12:59,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:12:59,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:12:59,435 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:12:59,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2020-10-20 07:12:59,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:12:59,436 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:12:59,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:12:59,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:00,124 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:00,125 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:00,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:13:00,140 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 07:13:00,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:13:00,200 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:13:12,270 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-20 07:13:12,274 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:13:12,274 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:13:12,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:13:12,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:13:12,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:13:12,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:12,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:13:12,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:13:12,275 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product28.cil.c_Iteration3_Loop [2020-10-20 07:13:12,275 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:13:12,276 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:13:12,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,361 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 07:13:12,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,384 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 07:13:12,386 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 07:13:12,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:13:12,885 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:13:12,891 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:12,898 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 07:13:12,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:12,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:12,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:12,903 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:13:12,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:12,908 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:13:12,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:12,916 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:12,962 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 07:13:12,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:12,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:12,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:12,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:12,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:12,966 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:12,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:12,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,015 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 07:13:13,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,066 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 07:13:13,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,117 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 07:13:13,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,167 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 07:13:13,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,237 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 07:13:13,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,268 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 07:13:13,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,303 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 07:13:13,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,322 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,362 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 07:13:13,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,366 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,400 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 07:13:13,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,402 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:13:13,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,404 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:13:13,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:13:13,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,466 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 07:13:13,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,469 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,469 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,503 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 07:13:13,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,558 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 07:13:13,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,625 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 07:13:13,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,701 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 07:13:13,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,704 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 07:13:13,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-10-20 07:13:13,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,715 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,764 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 07:13:13,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,772 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,811 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 07:13:13,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,819 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,860 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 07:13:13,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,871 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:13,913 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 07:13:13,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,954 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 07:13:13,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,959 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:13,983 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 07:13:13,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:13,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:13,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:13,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:13,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:13,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:13,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:13,989 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:14,013 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 07:13:14,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:14,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:14,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:14,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:14,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:14,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:14,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:14,017 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 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:14,042 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 07:13:14,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:14,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:14,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:14,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:14,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:14,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:14,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:14,046 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 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:14,069 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 07:13:14,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:14,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:14,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:14,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:14,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:14,072 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:14,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:14,073 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 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:14,096 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 07:13:14,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:13:14,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:13:14,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:13:14,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:13:14,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:13:14,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:13:14,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:13:14,102 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:13:14,176 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-20 07:13:14,177 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:13:14,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:13:14,183 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:13:14,184 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:13:14,184 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~1) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~1 Supporting invariants [] Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:13:14,228 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:13:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:13:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:14,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:13:14,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:13:14,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 07:13:14,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:13:14,606 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 07:13:14,614 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 07:13:14,615 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947 Second operand 5 states. [2020-10-20 07:13:15,138 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4497 states and 8443 transitions. cyclomatic complexity: 3947. Second operand 5 states. Result 7376 states and 13851 transitions. Complement of second has 8 states. [2020-10-20 07:13:15,139 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 07:13:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:13:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7177 transitions. [2020-10-20 07:13:15,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 25 letters. [2020-10-20 07:13:15,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:15,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 52 letters. Loop has 25 letters. [2020-10-20 07:13:15,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:15,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7177 transitions. Stem has 27 letters. Loop has 50 letters. [2020-10-20 07:13:15,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:13:15,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7376 states and 13851 transitions. [2020-10-20 07:13:15,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:15,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7376 states to 0 states and 0 transitions. [2020-10-20 07:13:15,208 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:15,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:15,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:15,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:15,208 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:15,208 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:15,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:13:15,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 07:13:15,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 07:13:15,209 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-20 07:13:15,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:13:15,209 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-20 07:13:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 07:13:15,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-20 07:13:15,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:15,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 07:13:15,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:13:15,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:13:15,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:13:15,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:13:15,210 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:15,210 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:15,210 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:13:15,210 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 07:13:15,211 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:13:15,211 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:13:15,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:13:15,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:13:15 BoogieIcfgContainer [2020-10-20 07:13:15,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:13:15,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:13:15,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:13:15,219 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:13:15,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:12:53" (3/4) ... [2020-10-20 07:13:15,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:13:15,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:13:15,225 INFO L168 Benchmark]: Toolchain (without parser) took 34175.34 ms. Allocated memory was 43.5 MB in the beginning and 283.6 MB in the end (delta: 240.1 MB). Free memory was 21.5 MB in the beginning and 87.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 173.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,226 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.1 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 997.15 ms. Allocated memory was 43.5 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Free memory was 20.6 MB in the beginning and 26.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 563.89 ms. Allocated memory was 47.7 MB in the beginning and 64.0 MB in the end (delta: 16.3 MB). Free memory was 26.5 MB in the beginning and 21.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,234 INFO L168 Benchmark]: Boogie Preprocessor took 810.99 ms. Allocated memory was 64.0 MB in the beginning and 90.7 MB in the end (delta: 26.7 MB). Free memory was 21.1 MB in the beginning and 31.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,236 INFO L168 Benchmark]: RCFGBuilder took 9703.75 ms. Allocated memory was 90.7 MB in the beginning and 164.1 MB in the end (delta: 73.4 MB). Free memory was 31.6 MB in the beginning and 30.7 MB in the end (delta: 931.6 kB). Peak memory consumption was 102.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,243 INFO L168 Benchmark]: BuchiAutomizer took 22081.74 ms. Allocated memory was 164.1 MB in the beginning and 283.6 MB in the end (delta: 119.5 MB). Free memory was 30.7 MB in the beginning and 89.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 61.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,244 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 283.6 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:13:15,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 32.5 MB. Free memory was 11.2 MB in the beginning and 11.1 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 997.15 ms. Allocated memory was 43.5 MB in the beginning and 47.7 MB in the end (delta: 4.2 MB). Free memory was 20.6 MB in the beginning and 26.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 563.89 ms. Allocated memory was 47.7 MB in the beginning and 64.0 MB in the end (delta: 16.3 MB). Free memory was 26.5 MB in the beginning and 21.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 810.99 ms. Allocated memory was 64.0 MB in the beginning and 90.7 MB in the end (delta: 26.7 MB). Free memory was 21.1 MB in the beginning and 31.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 9703.75 ms. Allocated memory was 90.7 MB in the beginning and 164.1 MB in the end (delta: 73.4 MB). Free memory was 31.6 MB in the beginning and 30.7 MB in the end (delta: 931.6 kB). Peak memory consumption was 102.7 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 22081.74 ms. Allocated memory was 164.1 MB in the beginning and 283.6 MB in the end (delta: 119.5 MB). Free memory was 30.7 MB in the beginning and 89.1 MB in the end (delta: -58.4 MB). Peak memory consumption was 61.2 MB. Max. memory is 14.3 GB. * Witness Printer took 4.72 ms. Allocated memory is still 283.6 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. 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 22.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 16.1s. Construction of modules took 0.7s. Büchi inclusion checks took 2.6s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.8s AutomataMinimizationTime, 2 MinimizatonAttempts, 12031 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.9s Buchi closure took 0.0s. Biggest automaton had 5029 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31375 SDtfs, 60376 SDslu, 70745 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s 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: 24ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...