./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 48e118e71ba9c6174bba9cfc8337ecdd3c6c3e0e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:19:40,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:19:40,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:19:40,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:19:40,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:19:40,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:19:40,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:19:40,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:19:40,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:19:40,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:19:40,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:19:40,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:19:40,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:19:40,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:19:40,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:19:40,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:19:40,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:19:40,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:19:40,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:19:40,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:19:40,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:19:40,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:19:40,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:19:40,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:19:40,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:19:40,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:19:40,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:19:40,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:19:40,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:19:40,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:19:40,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:19:40,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:19:40,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:19:40,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:19:40,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:19:40,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:19:40,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:19:40,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:19:40,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:19:40,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:19:40,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:19:40,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:19:40,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:19:40,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:19:40,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:19:40,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:19:40,121 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:19:40,121 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:19:40,122 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:19:40,122 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:19:40,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:19:40,122 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:19:40,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:19:40,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:19:40,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:19:40,123 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:19:40,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:19:40,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:19:40,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:19:40,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:19:40,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:19:40,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:19:40,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:19:40,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:19:40,126 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:19:40,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:19:40,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:19:40,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:19:40,127 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:19:40,127 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:19:40,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:19:40,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:19:40,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:19:40,128 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:19:40,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:19:40,130 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e118e71ba9c6174bba9cfc8337ecdd3c6c3e0e [2020-10-19 19:19:40,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:19:40,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:19:40,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:19:40,497 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:19:40,497 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:19:40,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2020-10-19 19:19:40,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7adaef9/7a715ca2d39e4d229668a65fdc07e6fd/FLAG6d017ca9c [2020-10-19 19:19:41,185 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:19:41,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/elevator_spec9_product30.cil.c [2020-10-19 19:19:41,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7adaef9/7a715ca2d39e4d229668a65fdc07e6fd/FLAG6d017ca9c [2020-10-19 19:19:41,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a7adaef9/7a715ca2d39e4d229668a65fdc07e6fd [2020-10-19 19:19:41,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:19:41,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:19:41,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:19:41,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:19:41,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:19:41,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:19:41" (1/1) ... [2020-10-19 19:19:41,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@518be40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:41, skipping insertion in model container [2020-10-19 19:19:41,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:19:41" (1/1) ... [2020-10-19 19:19:41,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:19:41,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:19:42,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:19:42,162 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:19:42,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:19:42,377 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:19:42,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42 WrapperNode [2020-10-19 19:19:42,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:19:42,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:19:42,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:19:42,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:19:42,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:19:42,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:19:42,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:19:42,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:19:42,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:42,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:43,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:43,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (1/1) ... [2020-10-19 19:19:43,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:19:43,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:19:43,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:19:43,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:19:43,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (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 [2020-10-19 19:19:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:19:43,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:19:43,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:19:43,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:19:55,197 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:19:55,197 INFO L298 CfgBuilder]: Removed 1563 assume(true) statements. [2020-10-19 19:19:55,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:19:55 BoogieIcfgContainer [2020-10-19 19:19:55,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:19:55,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:19:55,207 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:19:55,210 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:19:55,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:19:55,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:19:41" (1/3) ... [2020-10-19 19:19:55,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@222eb59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:19:55, skipping insertion in model container [2020-10-19 19:19:55,213 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:19:55,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:19:42" (2/3) ... [2020-10-19 19:19:55,213 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@222eb59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:19:55, skipping insertion in model container [2020-10-19 19:19:55,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:19:55,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:19:55" (3/3) ... [2020-10-19 19:19:55,216 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec9_product30.cil.c [2020-10-19 19:19:55,261 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:19:55,261 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:19:55,261 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:19:55,262 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:19:55,262 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:19:55,262 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:19:55,263 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:19:55,263 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:19:55,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-19 19:19:55,541 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-19 19:19:55,541 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:19:55,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:19:55,565 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] [2020-10-19 19:19:55,566 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] [2020-10-19 19:19:55,566 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:19:55,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6968 states. [2020-10-19 19:19:55,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3471 [2020-10-19 19:19:55,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:19:55,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:19:55,655 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] [2020-10-19 19:19:55,656 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] [2020-10-19 19:19:55,667 INFO L794 eck$LassoCheckResult]: Stem: 2929#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 6565#L-1true havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 1200#L432true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3737#L440true main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 3633#L3434true assume 0 != main_~tmp~29; 851#L3409true ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 3118#L474true havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 1425#L777true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 4212#L802true bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 5342#L2790true assume 0 == initPersonOnFloor_~floor; 5385#L2791true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1211#L2898-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 2680#L2582true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 5269#L2594-2true havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2325#L1114true timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 3007#L2063true assume 0 != timeShift_~tmp~18; 3073#L2064true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4371#L1740-11true havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1536#L1105-2true __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 2913#L1165-12true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 5651#L1197-12true __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 4722#L517true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 6566#L527-1true cleanup_~i~3 := 0; 53#L3241-2true [2020-10-19 19:19:55,668 INFO L796 eck$LassoCheckResult]: Loop: 53#L3241-2true assume !false; 238#L3242true cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 1503#L3245true assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 1606#L928true cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 1125#L3249true assume 1 != cleanup_~tmp___0~10; 1124#L3249-1true havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 2152#L2519-122true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 3825#L2546-122true anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 4414#L1213true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 1764#L1277true isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 2148#L1290true cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 3601#L3261true assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 2304#L1114-2true timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 3005#L2063-1true assume 0 != timeShift_~tmp~18; 3070#L2064-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 4369#L1740-23true havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 1533#L1105-5true __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 2866#L1165-25true assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 5516#L1197-25true __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 4714#L517-2true assume 0 != __utac_acc__Specification9_spec__3_~tmp___1~0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 6568#L527-3true cleanup_~i~3 := 1 + cleanup_~i~3; 53#L3241-2true [2020-10-19 19:19:55,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:55,675 INFO L82 PathProgramCache]: Analyzing trace with hash -2042449897, now seen corresponding path program 1 times [2020-10-19 19:19:55,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:55,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738494684] [2020-10-19 19:19:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:19:56,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:19:56,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738494684] [2020-10-19 19:19:56,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:19:56,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:19:56,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137435097] [2020-10-19 19:19:56,087 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:19:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:56,088 INFO L82 PathProgramCache]: Analyzing trace with hash 192516488, now seen corresponding path program 1 times [2020-10-19 19:19:56,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:56,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877664934] [2020-10-19 19:19:56,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:19:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:19:56,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877664934] [2020-10-19 19:19:56,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:19:56,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-19 19:19:56,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158878172] [2020-10-19 19:19:56,127 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 19:19:56,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:19:56,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-19 19:19:56,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-19 19:19:56,149 INFO L87 Difference]: Start difference. First operand 6968 states. Second operand 4 states. [2020-10-19 19:19:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:19:57,211 INFO L93 Difference]: Finished difference Result 17141 states and 32445 transitions. [2020-10-19 19:19:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-19 19:19:57,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17141 states and 32445 transitions. [2020-10-19 19:19:57,380 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11959 [2020-10-19 19:19:57,551 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17141 states to 17099 states and 32396 transitions. [2020-10-19 19:19:57,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17099 [2020-10-19 19:19:57,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17099 [2020-10-19 19:19:57,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17099 states and 32396 transitions. [2020-10-19 19:19:57,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:19:57,639 INFO L691 BuchiCegarLoop]: Abstraction has 17099 states and 32396 transitions. [2020-10-19 19:19:57,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17099 states and 32396 transitions. [2020-10-19 19:19:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17099 to 6953. [2020-10-19 19:19:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6953 states. [2020-10-19 19:19:57,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6953 states to 6953 states and 13170 transitions. [2020-10-19 19:19:57,938 INFO L714 BuchiCegarLoop]: Abstraction has 6953 states and 13170 transitions. [2020-10-19 19:19:57,938 INFO L594 BuchiCegarLoop]: Abstraction has 6953 states and 13170 transitions. [2020-10-19 19:19:57,938 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:19:57,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6953 states and 13170 transitions. [2020-10-19 19:19:57,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3473 [2020-10-19 19:19:57,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:19:57,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:19:57,993 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] [2020-10-19 19:19:57,993 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] [2020-10-19 19:19:57,994 INFO L794 eck$LassoCheckResult]: Stem: 27869#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 27870#L-1 havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 25989#L432 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 25990#L440 main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 28603#L3434 assume 0 != main_~tmp~29; 25565#L3409 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 25566#L474 havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 26138#L777 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 25800#L802 bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 28942#L2790 assume 0 == initPersonOnFloor_~floor; 29953#L2791 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 25171#L2898-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 26006#L2582 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 27454#L2594-2 havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27063#L1114 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 27064#L2063 assume 0 != timeShift_~tmp~18; 27962#L2064 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 28077#L1740-11 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 26163#L1105-2 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 26164#L1165-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 27724#L1197-12 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 29525#L517 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27036#L1114-1 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 27037#L527 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 30235#L527-1 cleanup_~i~3 := 0; 24234#L3241-2 [2020-10-19 19:19:57,995 INFO L796 eck$LassoCheckResult]: Loop: 24234#L3241-2 assume !false; 24235#L3242 cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 24682#L3245 assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 26144#L928 cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 25859#L3249 assume 1 != cleanup_~tmp___0~10; 25857#L3249-1 havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 25858#L2519-122 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 25064#L2546-122 anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 28717#L1213 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 26511#L1277 isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 26512#L1290 cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 26888#L3261 assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27040#L1114-2 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 27041#L2063-1 assume 0 != timeShift_~tmp~18; 27958#L2064-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 28071#L1740-23 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 26159#L1105-5 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 26160#L1165-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 27583#L1197-25 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 29517#L517-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 27043#L1114-3 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 27044#L527-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___0~0); 30236#L527-3 cleanup_~i~3 := 1 + cleanup_~i~3; 24234#L3241-2 [2020-10-19 19:19:57,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:57,995 INFO L82 PathProgramCache]: Analyzing trace with hash 6233140, now seen corresponding path program 1 times [2020-10-19 19:19:57,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:57,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597440715] [2020-10-19 19:19:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:19:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:19:58,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597440715] [2020-10-19 19:19:58,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:19:58,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:19:58,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544330356] [2020-10-19 19:19:58,303 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:19:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 325816645, now seen corresponding path program 1 times [2020-10-19 19:19:58,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:58,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569459591] [2020-10-19 19:19:58,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:19:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:19:58,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569459591] [2020-10-19 19:19:58,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:19:58,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-19 19:19:58,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314042621] [2020-10-19 19:19:58,351 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-19 19:19:58,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:19:58,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-19 19:19:58,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-19 19:19:58,353 INFO L87 Difference]: Start difference. First operand 6953 states and 13170 transitions. cyclomatic complexity: 6218 Second operand 7 states. [2020-10-19 19:19:59,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:19:59,417 INFO L93 Difference]: Finished difference Result 13201 states and 24891 transitions. [2020-10-19 19:19:59,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-19 19:19:59,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13201 states and 24891 transitions. [2020-10-19 19:19:59,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10575 [2020-10-19 19:19:59,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13201 states to 13201 states and 24891 transitions. [2020-10-19 19:19:59,574 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13201 [2020-10-19 19:19:59,591 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13201 [2020-10-19 19:19:59,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13201 states and 24891 transitions. [2020-10-19 19:19:59,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:19:59,618 INFO L691 BuchiCegarLoop]: Abstraction has 13201 states and 24891 transitions. [2020-10-19 19:19:59,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13201 states and 24891 transitions. [2020-10-19 19:19:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13201 to 6936. [2020-10-19 19:19:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6936 states. [2020-10-19 19:19:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 13113 transitions. [2020-10-19 19:19:59,809 INFO L714 BuchiCegarLoop]: Abstraction has 6936 states and 13113 transitions. [2020-10-19 19:19:59,809 INFO L594 BuchiCegarLoop]: Abstraction has 6936 states and 13113 transitions. [2020-10-19 19:19:59,809 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-19 19:19:59,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6936 states and 13113 transitions. [2020-10-19 19:19:59,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4339 [2020-10-19 19:19:59,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:19:59,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:19:59,843 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] [2020-10-19 19:19:59,843 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] [2020-10-19 19:19:59,844 INFO L794 eck$LassoCheckResult]: Stem: 48459#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string108.base, #t~string108.offset, 1);call write~init~int(95, #t~string108.base, 1 + #t~string108.offset, 1);call write~init~int(93, #t~string108.base, 2 + #t~string108.offset, 1);call write~init~int(0, #t~string108.base, 3 + #t~string108.offset, 1);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string110.base, #t~string110.offset, 1);call write~init~int(93, #t~string110.base, 1 + #t~string110.offset, 1);call write~init~int(32, #t~string110.base, 2 + #t~string110.offset, 1);call write~init~int(0, #t~string110.base, 3 + #t~string110.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string112.base, #t~string112.offset, 1);call write~init~int(97, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(116, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(32, #t~string112.base, 3 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 4 + #t~string112.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string114.base, #t~string114.offset, 1);call write~init~int(105, #t~string114.base, 1 + #t~string114.offset, 1);call write~init~int(0, #t~string114.base, 2 + #t~string114.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string118.base, #t~string118.offset, 1);call write~init~int(112, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 2 + #t~string118.offset, 1);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string120.base, #t~string120.offset, 1);call write~init~int(111, #t~string120.base, 1 + #t~string120.offset, 1);call write~init~int(119, #t~string120.base, 2 + #t~string120.offset, 1);call write~init~int(110, #t~string120.base, 3 + #t~string120.offset, 1);call write~init~int(0, #t~string120.base, 4 + #t~string120.offset, 1);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string122.base, #t~string122.offset, 1);call write~init~int(73, #t~string122.base, 1 + #t~string122.offset, 1);call write~init~int(76, #t~string122.base, 2 + #t~string122.offset, 1);call write~init~int(95, #t~string122.base, 3 + #t~string122.offset, 1);call write~init~int(112, #t~string122.base, 4 + #t~string122.offset, 1);call write~init~int(58, #t~string122.base, 5 + #t~string122.offset, 1);call write~init~int(0, #t~string122.base, 6 + #t~string122.offset, 1);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string124.base, #t~string124.offset, 1);call write~init~int(37, #t~string124.base, 1 + #t~string124.offset, 1);call write~init~int(105, #t~string124.base, 2 + #t~string124.offset, 1);call write~init~int(0, #t~string124.base, 3 + #t~string124.offset, 1);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string126.base, #t~string126.offset, 1);call write~init~int(37, #t~string126.base, 1 + #t~string126.offset, 1);call write~init~int(105, #t~string126.base, 2 + #t~string126.offset, 1);call write~init~int(0, #t~string126.base, 3 + #t~string126.offset, 1);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string128.base, #t~string128.offset, 1);call write~init~int(37, #t~string128.base, 1 + #t~string128.offset, 1);call write~init~int(105, #t~string128.base, 2 + #t~string128.offset, 1);call write~init~int(0, #t~string128.base, 3 + #t~string128.offset, 1);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string130.base, #t~string130.offset, 1);call write~init~int(37, #t~string130.base, 1 + #t~string130.offset, 1);call write~init~int(105, #t~string130.base, 2 + #t~string130.offset, 1);call write~init~int(0, #t~string130.base, 3 + #t~string130.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string132.base, #t~string132.offset, 1);call write~init~int(37, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(105, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string134.base, #t~string134.offset, 1);call write~init~int(70, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(95, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(112, #t~string134.base, 3 + #t~string134.offset, 1);call write~init~int(58, #t~string134.base, 4 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 5 + #t~string134.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string137.base, #t~string137.offset, 1);call write~init~int(37, #t~string137.base, 1 + #t~string137.offset, 1);call write~init~int(105, #t~string137.base, 2 + #t~string137.offset, 1);call write~init~int(0, #t~string137.base, 3 + #t~string137.offset, 1);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string140.base, #t~string140.offset, 1);call write~init~int(37, #t~string140.base, 1 + #t~string140.offset, 1);call write~init~int(105, #t~string140.base, 2 + #t~string140.offset, 1);call write~init~int(0, #t~string140.base, 3 + #t~string140.offset, 1);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string143.base, #t~string143.offset, 1);call write~init~int(37, #t~string143.base, 1 + #t~string143.offset, 1);call write~init~int(105, #t~string143.base, 2 + #t~string143.offset, 1);call write~init~int(0, #t~string143.base, 3 + #t~string143.offset, 1);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string146.base, #t~string146.offset, 1);call write~init~int(37, #t~string146.base, 1 + #t~string146.offset, 1);call write~init~int(105, #t~string146.base, 2 + #t~string146.offset, 1);call write~init~int(0, #t~string146.base, 3 + #t~string146.offset, 1);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string149.base, #t~string149.offset, 1);call write~init~int(37, #t~string149.base, 1 + #t~string149.offset, 1);call write~init~int(105, #t~string149.base, 2 + #t~string149.offset, 1);call write~init~int(0, #t~string149.base, 3 + #t~string149.offset, 1);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string151.base, #t~string151.offset, 1);call write~init~int(0, #t~string151.base, 1 + #t~string151.offset, 1);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0;~cleanupTimeShifts~0 := 12;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0; 48460#L-1 havoc main_#res;havoc main_#t~ret169, main_~retValue_acc~27, main_~tmp~29;havoc main_~retValue_acc~27;havoc main_~tmp~29; 46142#L432 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 46143#L440 main_#t~ret169 := valid_product_#res;main_~tmp~29 := main_#t~ret169;havoc main_#t~ret169; 49462#L3434 assume 0 != main_~tmp~29; 45680#L3409 ~floorButtons_spc9_0~0 := 0;~floorButtons_spc9_1~0 := 0;~floorButtons_spc9_2~0 := 0;~floorButtons_spc9_3~0 := 0;~floorButtons_spc9_4~0 := 0; 45681#L474 havoc bigMacCall_#t~ret162, bigMacCall_~tmp~26;havoc bigMacCall_~tmp~26;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~6;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~6; 46419#L777 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~6 := 4;getOrigin_#res := getOrigin_~retValue_acc~6; 45977#L802 bigMacCall_#t~ret162 := getOrigin_#res;bigMacCall_~tmp~26 := bigMacCall_#t~ret162;havoc bigMacCall_#t~ret162;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~26;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 47370#L2790 assume 0 == initPersonOnFloor_~floor; 47371#L2791 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 44602#L2898-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 46170#L2582 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 47219#L2594-2 havoc cleanup_#t~ret163, cleanup_#t~ret164, cleanup_~i~3, cleanup_~tmp~27, cleanup_~tmp___0~10, cleanup_~__cil_tmp4~3;havoc cleanup_~i~3;havoc cleanup_~tmp~27;havoc cleanup_~tmp___0~10;havoc cleanup_~__cil_tmp4~3;havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 47224#L1114 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 47743#L2063 assume 0 != timeShift_~tmp~18; 48603#L2064 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 44981#L1740-11 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 44982#L1105-2 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 46523#L1165-12 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 47191#L1197-12 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 46352#L517 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 46353#L1114-1 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 47705#L527 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 49475#L528 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 49551#L529 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 49996#L527-1 cleanup_~i~3 := 0; 44426#L3241-2 [2020-10-19 19:19:59,844 INFO L796 eck$LassoCheckResult]: Loop: 44426#L3241-2 assume !false; 44427#L3242 cleanup_~__cil_tmp4~3 := ~cleanupTimeShifts~0 - 1; 44852#L3245 assume cleanup_~i~3 < cleanup_~__cil_tmp4~3;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~8; 46438#L928 cleanup_#t~ret163 := isBlocked_#res;cleanup_~tmp___0~10 := cleanup_#t~ret163;havoc cleanup_#t~ret163; 46037#L3249 assume 1 != cleanup_~tmp___0~10; 46035#L3249-1 havoc isIdle_#res;havoc isIdle_#t~ret60, isIdle_~retValue_acc~15, isIdle_~tmp~10;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~10;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret55, anyStopRequested_#t~ret56, anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~9, anyStopRequested_~tmp___0~3, anyStopRequested_~tmp___1~3, anyStopRequested_~tmp___2~0, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~9;havoc anyStopRequested_~tmp___0~3;havoc anyStopRequested_~tmp___1~3;havoc anyStopRequested_~tmp___2~0;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 46036#L2519-122 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 45167#L2546-122 anyStopRequested_#t~ret55 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret55;havoc anyStopRequested_#t~ret55; 45312#L1213 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 44626#L1277 isIdle_#t~ret60 := anyStopRequested_#res;isIdle_~tmp~10 := isIdle_#t~ret60;havoc isIdle_#t~ret60;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~10 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 47132#L1290 cleanup_#t~ret164 := isIdle_#res;cleanup_~tmp~27 := cleanup_#t~ret164;havoc cleanup_#t~ret164; 47559#L3261 assume !(0 != cleanup_~tmp~27);havoc timeShift_#t~ret105, timeShift_~tmp~18;havoc timeShift_~tmp~18;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 47710#L1114-2 timeShift_#t~ret105 := areDoorsOpen_#res;timeShift_~tmp~18 := timeShift_#t~ret105;havoc timeShift_#t~ret105; 47711#L2063-1 assume 0 != timeShift_~tmp~18; 48599#L2064-2 assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 44964#L1740-23 havoc __utac_acc__Specification9_spec__3_#t~ret43, __utac_acc__Specification9_spec__3_#t~ret44, __utac_acc__Specification9_spec__3_#t~ret45, __utac_acc__Specification9_spec__3_~floor~0, __utac_acc__Specification9_spec__3_~tmp~3, __utac_acc__Specification9_spec__3_~tmp___0~0, __utac_acc__Specification9_spec__3_~tmp___1~0;havoc __utac_acc__Specification9_spec__3_~floor~0;havoc __utac_acc__Specification9_spec__3_~tmp~3;havoc __utac_acc__Specification9_spec__3_~tmp___0~0;havoc __utac_acc__Specification9_spec__3_~tmp___1~0;havoc getCurrentFloorID_#res;havoc getCurrentFloorID_~retValue_acc~9;havoc getCurrentFloorID_~retValue_acc~9;getCurrentFloorID_~retValue_acc~9 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~9; 44965#L1105-5 __utac_acc__Specification9_spec__3_#t~ret43 := getCurrentFloorID_#res;__utac_acc__Specification9_spec__3_~tmp~3 := __utac_acc__Specification9_spec__3_#t~ret43;havoc __utac_acc__Specification9_spec__3_#t~ret43;__utac_acc__Specification9_spec__3_~floor~0 := __utac_acc__Specification9_spec__3_~tmp~3;havoc isEmpty_#res;havoc isEmpty_~retValue_acc~13;havoc isEmpty_~retValue_acc~13; 46505#L1165-25 assume 1 == ~persons_0~0;isEmpty_~retValue_acc~13 := 0;isEmpty_#res := isEmpty_~retValue_acc~13; 47302#L1197-25 __utac_acc__Specification9_spec__3_#t~ret44 := isEmpty_#res;__utac_acc__Specification9_spec__3_~tmp___1~0 := __utac_acc__Specification9_spec__3_#t~ret44;havoc __utac_acc__Specification9_spec__3_#t~ret44; 46326#L517-2 assume !(0 != __utac_acc__Specification9_spec__3_~tmp___1~0);havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~10;havoc areDoorsOpen_~retValue_acc~10;areDoorsOpen_~retValue_acc~10 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~10; 46327#L1114-3 __utac_acc__Specification9_spec__3_#t~ret45 := areDoorsOpen_#res;__utac_acc__Specification9_spec__3_~tmp___0~0 := __utac_acc__Specification9_spec__3_#t~ret45;havoc __utac_acc__Specification9_spec__3_#t~ret45; 49459#L527-2 assume 0 != __utac_acc__Specification9_spec__3_~tmp___0~0; 49460#L528-1 assume 0 == __utac_acc__Specification9_spec__3_~floor~0; 49368#L529-2 assume 0 != ~floorButtons_spc9_0~0;~floorButtons_spc9_0~0 := 0; 48283#L527-3 cleanup_~i~3 := 1 + cleanup_~i~3; 44426#L3241-2 [2020-10-19 19:19:59,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:59,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1693707535, now seen corresponding path program 1 times [2020-10-19 19:19:59,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:59,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383093067] [2020-10-19 19:19:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:19:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:19:59,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383093067] [2020-10-19 19:19:59,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-19 19:19:59,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-19 19:19:59,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425237327] [2020-10-19 19:19:59,902 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-19 19:19:59,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:19:59,902 INFO L82 PathProgramCache]: Analyzing trace with hash -423653952, now seen corresponding path program 1 times [2020-10-19 19:19:59,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:19:59,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108949138] [2020-10-19 19:19:59,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:19:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:19:59,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:19:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:19:59,918 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:19:59,949 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:20:00,212 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-10-19 19:20:00,368 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-19 19:20:00,379 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:20:00,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:20:00,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:20:00,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:20:00,381 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:20:00,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:00,382 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:20:00,382 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:20:00,382 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2020-10-19 19:20:00,382 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:20:00,382 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:20:00,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:00,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:01,041 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:20:01,044 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:20:01,063 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,067 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:01,135 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,135 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,145 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~9=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~0=0} Honda state: {ULTIMATE.start_getCurrentFloorID_#res=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~tmp~3=0, ~currentFloorID~0=0, ULTIMATE.start_getCurrentFloorID_~retValue_acc~9=0, ULTIMATE.start___utac_acc__Specification9_spec__3_~floor~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:01,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,201 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,208 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,208 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~persons_0~0=1} Honda state: {~persons_0~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:01,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,306 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,318 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,318 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_isIdle_~retValue_acc~15=0, ULTIMATE.start_cleanup_~tmp~27=0} Honda state: {ULTIMATE.start_isIdle_#res=0, ULTIMATE.start_isIdle_~retValue_acc~15=0, ULTIMATE.start_cleanup_~tmp~27=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:01,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,374 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret105=0} Honda state: {ULTIMATE.start_timeShift_#t~ret105=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:01,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,422 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,427 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,427 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret43=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,462 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,463 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:20:01,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,466 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret45=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret45=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:20:01,493 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-19 19:20:01,493 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Honda state: {ULTIMATE.start___utac_acc__Specification9_spec__3_#t~ret44=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:20:01,520 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:01,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:20:01,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:20:13,599 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2020-10-19 19:20:13,602 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:20:13,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:20:13,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:20:13,603 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:20:13,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:20:13,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:13,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:20:13,603 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:20:13,603 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec9_product30.cil.c_Iteration3_Loop [2020-10-19 19:20:13,603 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:20:13,603 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:20:13,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:13,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:20:14,207 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:20:14,213 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:14,457 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 [2020-10-19 19:20:14,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:20:14,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:20:14,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:20:14,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:20:14,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:20:14,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:20:14,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:14,467 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 [2020-10-19 19:20:14,508 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 [2020-10-19 19:20:14,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:20:14,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:20:14,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:20:14,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:20:14,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:20:14,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:20:14,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:20:14,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:20:14,554 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 [2020-10-19 19:20:14,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:20:14,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:20:14,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:20:14,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:20:14,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:20:14,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:20:14,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:14,561 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) [2020-10-19 19:20:14,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:14,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:20:14,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:20:14,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:20:14,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:20:14,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:20:14,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:20:14,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:20:14,601 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:20:14,608 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-10-19 19:20:14,608 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:20:14,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:20:14,620 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:20:14,620 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:20:14,621 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~3) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~3 Supporting invariants [] [2020-10-19 19:20:14,653 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:20:14,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:20:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:20:14,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:20:14,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:20:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:20:14,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-19 19:20:14,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:20:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:20:14,909 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 [2020-10-19 19:20:14,910 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6936 states and 13113 transitions. cyclomatic complexity: 6178 Second operand 5 states. [2020-10-19 19:20:15,508 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6936 states and 13113 transitions. cyclomatic complexity: 6178. Second operand 5 states. Result 11275 states and 21317 transitions. Complement of second has 8 states. [2020-10-19 19:20:15,509 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 [2020-10-19 19:20:15,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-19 19:20:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9943 transitions. [2020-10-19 19:20:15,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 27 letters. Loop has 25 letters. [2020-10-19 19:20:15,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:15,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 52 letters. Loop has 25 letters. [2020-10-19 19:20:15,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:15,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9943 transitions. Stem has 27 letters. Loop has 50 letters. [2020-10-19 19:20:15,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:20:15,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11275 states and 21317 transitions. [2020-10-19 19:20:15,602 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:15,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11275 states to 0 states and 0 transitions. [2020-10-19 19:20:15,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:20:15,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:20:15,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:20:15,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:20:15,603 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:15,604 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:15,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-19 19:20:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-19 19:20:15,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-19 19:20:15,604 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-10-19 19:20:15,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-19 19:20:15,605 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-10-19 19:20:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-19 19:20:15,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-10-19 19:20:15,605 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:15,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-10-19 19:20:15,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:20:15,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:20:15,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:20:15,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:20:15,606 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:15,606 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:15,606 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:20:15,606 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-19 19:20:15,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:20:15,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:20:15,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:20:15,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:20:15 BoogieIcfgContainer [2020-10-19 19:20:15,616 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:20:15,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:20:15,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:20:15,619 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:20:15,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:19:55" (3/4) ... [2020-10-19 19:20:15,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:20:15,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:20:15,626 INFO L168 Benchmark]: Toolchain (without parser) took 34236.11 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 954.5 MB in the beginning and 1.5 GB in the end (delta: -535.4 MB). Peak memory consumption was 464.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,630 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:20:15,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 984.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 331.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,634 INFO L168 Benchmark]: Boogie Preprocessor took 487.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.1 MB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,635 INFO L168 Benchmark]: RCFGBuilder took 12007.27 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 501.7 MB). Free memory was 954.1 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). Peak memory consumption was 409.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,638 INFO L168 Benchmark]: BuchiAutomizer took 20409.87 ms. Allocated memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: 353.4 MB). Free memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: -288.5 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2020-10-19 19:20:15,639 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 2.0 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:20:15,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 984.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 331.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.1 MB). Peak memory consumption was 73.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 487.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 954.1 MB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 12007.27 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 501.7 MB). Free memory was 954.1 MB in the beginning and 1.2 GB in the end (delta: -247.3 MB). Peak memory consumption was 409.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 20409.87 ms. Allocated memory was 1.7 GB in the beginning and 2.0 GB in the end (delta: 353.4 MB). Free memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: -288.5 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 ms. Allocated memory is still 2.0 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 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 20.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 15.6s. Construction of modules took 0.7s. Büchi inclusion checks took 2.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.4s AutomataMinimizationTime, 2 MinimizatonAttempts, 16411 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.5s Buchi closure took 0.0s. Biggest automaton had 6953 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45325 SDtfs, 87174 SDslu, 102543 SDs, 0 SdLazy, 267 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 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: 252ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...