./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer --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 ec8ad2b63cd02c5a2dc0a71e711fe226f94c1bf5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:35:07,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:35:07,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:35:07,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:35:07,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:35:07,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:35:07,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:35:07,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:35:07,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:35:07,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:35:07,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:35:07,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:35:07,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:35:07,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:35:07,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:35:07,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:35:07,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:35:07,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:35:07,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:35:07,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:35:07,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:35:07,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:35:07,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:35:07,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:35:07,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:35:07,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:35:07,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:35:07,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:35:07,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:35:07,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:35:07,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:35:07,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:35:07,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:35:07,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:35:07,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:35:07,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:35:07,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:35:07,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:35:07,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:35:07,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:35:07,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:35:07,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:35:07,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:35:07,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:35:07,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:35:07,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:35:07,612 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:35:07,612 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:35:07,613 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:35:07,613 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:35:07,613 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:35:07,613 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:35:07,615 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:35:07,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:35:07,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:35:07,616 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:35:07,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:35:07,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:35:07,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:35:07,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:35:07,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:35:07,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:35:07,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:35:07,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:35:07,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:35:07,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:35:07,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:35:07,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:35:07,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:35:07,619 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:35:07,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:35:07,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:35:07,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:35:07,622 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:35:07,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:35:07,624 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8ad2b63cd02c5a2dc0a71e711fe226f94c1bf5 [2020-11-30 00:35:07,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:35:07,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:35:07,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:35:07,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:35:07,990 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:35:07,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2020-11-30 00:35:08,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/data/0ebf01073/ad6fcf5374de4cf48a40bc8cf9cac359/FLAG0948fb61e [2020-11-30 00:35:08,842 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:35:08,842 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/sv-benchmarks/c/product-lines/elevator_spec2_product11.cil.c [2020-11-30 00:35:08,890 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/data/0ebf01073/ad6fcf5374de4cf48a40bc8cf9cac359/FLAG0948fb61e [2020-11-30 00:35:09,018 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/data/0ebf01073/ad6fcf5374de4cf48a40bc8cf9cac359 [2020-11-30 00:35:09,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:35:09,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:35:09,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:09,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:35:09,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:35:09,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23cdaf8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:09, skipping insertion in model container [2020-11-30 00:35:09,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:35:09" (1/1) ... [2020-11-30 00:35:09,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:35:09,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:35:09,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:09,961 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:35:10,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:35:10,283 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:35:10,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10 WrapperNode [2020-11-30 00:35:10,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:35:10,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:35:10,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:35:10,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:35:10,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:35:10,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:35:10,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... [2020-11-30 00:35:10,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:35:10,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:35:10,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:35:10,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:35:10,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/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 [2020-11-30 00:35:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:35:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:35:11,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:35:11,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:35:17,655 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:35:17,656 INFO L298 CfgBuilder]: Removed 575 assume(true) statements. [2020-11-30 00:35:17,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17 BoogieIcfgContainer [2020-11-30 00:35:17,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:35:17,663 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:35:17,663 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:35:17,667 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:35:17,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:17,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:35:09" (1/3) ... [2020-11-30 00:35:17,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@448b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:35:17, skipping insertion in model container [2020-11-30 00:35:17,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:17,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:35:10" (2/3) ... [2020-11-30 00:35:17,671 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@448b14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:35:17, skipping insertion in model container [2020-11-30 00:35:17,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:35:17,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17" (3/3) ... [2020-11-30 00:35:17,673 INFO L373 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product11.cil.c [2020-11-30 00:35:17,731 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:35:17,731 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:35:17,731 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:35:17,732 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:35:17,732 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:35:17,732 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:35:17,732 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:35:17,732 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:35:17,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2412 states. [2020-11-30 00:35:17,953 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1193 [2020-11-30 00:35:17,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:17,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:17,983 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:17,984 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:17,984 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:35:17,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2412 states. [2020-11-30 00:35:18,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1193 [2020-11-30 00:35:18,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:18,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:18,070 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:18,071 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:18,080 INFO L794 eck$LassoCheckResult]: Stem: 477#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~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; 1628#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 2288#L3402true havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 727#L3410true main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 1423#L400true assume 0 != main_~tmp~8; 1994#L369true ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 1378#L2540true havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~3;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~3; 758#L459true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~3 := 4;getOrigin_#res := getOrigin_~retValue_acc~3; 1725#L484true bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 515#L3060true assume 0 == initPersonOnFloor_~floor; 472#L3061true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 1870#L3168-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1141#L2852true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 1527#L2864-2true havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 1989#L2789true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 1862#L2816true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 1653#L2421true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 1737#L1805true assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 1047#L1136true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 1432#L1809true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 2012#L1822true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 402#L1958true assume !(0 != timeShift_~tmp___9~2); 267#L2049true assume !(1 == ~doorState~0); 271#L2049-2true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 1973#L2789-3true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 1843#L2816-3true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 1633#L2421-1true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 1974#L1688true assume 0 != stopRequestedInDirection_~tmp___0~4;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; 1048#L1136-1true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 138#L1701true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 1106#L2057true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 137#L1745true assume !(1 == ~currentHeading~0); 804#L1755true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 787#L1755-2true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1734#L1761-5true havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 1037#L1136-3true __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 1271#L2585true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1090#L2586true assume 0 != ~floorButtons_spc2_0~0;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; 1710#L1145true __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 1023#L2590true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1595#L2645true cleanup_~i~0 := 0; 256#L199-2true [2020-11-30 00:35:18,083 INFO L796 eck$LassoCheckResult]: Loop: 256#L199-2true assume !false; 371#L200true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 192#L203true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 2212#L982true cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 1115#L207true assume 1 != cleanup_~tmp___0~0; 1136#L207-1true havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~15, isIdle_~tmp~14;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~14;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~13, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~13;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 1927#L2789-25true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 1670#L2816-25true anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 2285#L1244true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 1134#L1308true isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~14 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~14 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 1718#L1321true cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 1620#L219true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 1907#L2789-30true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 1664#L2816-30true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 1635#L2421-3true stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 1738#L1805-1true assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 1039#L1136-4true stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 1433#L1809-1true assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 2021#L1822-1true timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 406#L1958-1true assume !(0 != timeShift_~tmp___9~2); 232#L2049-3true assume 1 == ~doorState~0;~doorState~0 := 0; 247#L2049-5true stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 1885#L2789-33true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 1667#L2816-33true isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 1638#L2421-4true stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 1979#L1688-2true assume 0 != stopRequestedInDirection_~tmp___0~4;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; 1040#L1136-5true stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 111#L1701-2true timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 1109#L2057-1true assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 106#L1745-3true assume !(1 == ~currentHeading~0); 902#L1755-9true assume 0 == ~currentFloorID~0;~currentHeading~0 := 1; 904#L1755-11true assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 1727#L1761-11true havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 1029#L1136-7true __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 1281#L2585-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 1070#L2586-1true assume 0 != ~floorButtons_spc2_0~0;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; 1699#L1145-5true __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 1027#L2590-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 1585#L2645-1true cleanup_~i~0 := 1 + cleanup_~i~0; 256#L199-2true [2020-11-30 00:35:18,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:18,091 INFO L82 PathProgramCache]: Analyzing trace with hash -740156324, now seen corresponding path program 1 times [2020-11-30 00:35:18,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:18,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877833682] [2020-11-30 00:35:18,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:18,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:18,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877833682] [2020-11-30 00:35:18,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:18,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:18,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270284346] [2020-11-30 00:35:18,650 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:35:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:18,654 INFO L82 PathProgramCache]: Analyzing trace with hash -380015225, now seen corresponding path program 1 times [2020-11-30 00:35:18,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:18,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094570018] [2020-11-30 00:35:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:18,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:18,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094570018] [2020-11-30 00:35:18,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:18,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:35:18,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976012421] [2020-11-30 00:35:18,808 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:35:18,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:18,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:35:18,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:35:18,834 INFO L87 Difference]: Start difference. First operand 2412 states. Second operand 7 states. [2020-11-30 00:35:25,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:25,361 INFO L93 Difference]: Finished difference Result 18275 states and 34284 transitions. [2020-11-30 00:35:25,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-30 00:35:25,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18275 states and 34284 transitions. [2020-11-30 00:35:25,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8764 [2020-11-30 00:35:25,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18275 states to 18135 states and 34128 transitions. [2020-11-30 00:35:25,831 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18135 [2020-11-30 00:35:25,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18135 [2020-11-30 00:35:25,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18135 states and 34128 transitions. [2020-11-30 00:35:25,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:35:25,908 INFO L691 BuchiCegarLoop]: Abstraction has 18135 states and 34128 transitions. [2020-11-30 00:35:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18135 states and 34128 transitions. [2020-11-30 00:35:26,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18135 to 6877. [2020-11-30 00:35:26,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6877 states. [2020-11-30 00:35:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6877 states to 6877 states and 12959 transitions. [2020-11-30 00:35:26,236 INFO L714 BuchiCegarLoop]: Abstraction has 6877 states and 12959 transitions. [2020-11-30 00:35:26,236 INFO L594 BuchiCegarLoop]: Abstraction has 6877 states and 12959 transitions. [2020-11-30 00:35:26,236 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:35:26,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6877 states and 12959 transitions. [2020-11-30 00:35:26,335 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3491 [2020-11-30 00:35:26,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:26,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:26,339 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:26,339 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:26,340 INFO L794 eck$LassoCheckResult]: Stem: 21615#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~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; 21616#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 22761#L3402 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 21912#L3410 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 21913#L400 assume 0 != main_~tmp~8; 22559#L369 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 22500#L2540 havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~3;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~3; 21952#L459 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~3 := 4;getOrigin_#res := getOrigin_~retValue_acc~3; 21236#L484 bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 21662#L3060 assume 0 == initPersonOnFloor_~floor; 21610#L3061 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 21177#L3168-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 22360#L2852 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 22095#L2864-2 havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 22672#L2789 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 23004#L2816 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 23351#L2421 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 23347#L1805 assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 22299#L1136 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 22300#L1809 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 22575#L1822 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 26570#L1958 assume !(0 != timeShift_~tmp___9~2); 26571#L2049 assume !(1 == ~doorState~0); 27443#L2049-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 27442#L2789-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 27441#L2816-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 27440#L2421-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 27438#L1688 assume 0 != stopRequestedInDirection_~tmp___0~4;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; 27439#L1136-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 27447#L1701 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 27445#L2057 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 27444#L1745 assume !(1 == ~currentHeading~0); 22004#L1755 assume !(0 == ~currentFloorID~0); 21973#L1755-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 21735#L1761-5 havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 22289#L1136-3 __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 22290#L2585 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 22329#L2586 assume 0 != ~floorButtons_spc2_0~0;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; 22330#L1145 __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 22277#L2590 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 21644#L2645 cleanup_~i~0 := 0; 21331#L199-2 [2020-11-30 00:35:26,341 INFO L796 eck$LassoCheckResult]: Loop: 21331#L199-2 assume !false; 21332#L200 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 21241#L203 assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 21242#L982 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 22341#L207 assume 1 != cleanup_~tmp___0~0; 22342#L207-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~15, isIdle_~tmp~14;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~14;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~13, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~13;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 22356#L2789-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 22951#L2816-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 23216#L1244 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 20906#L1308 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~14 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~14 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 22355#L1321 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 23371#L219 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 23370#L2789-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 23268#L2816-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 23346#L2421-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 23344#L1805-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 23343#L1136-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 23342#L1809-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 22576#L1822-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 27172#L1958-1 assume !(0 != timeShift_~tmp___9~2); 27173#L2049-3 assume 1 == ~doorState~0;~doorState~0 := 0; 27524#L2049-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 27523#L2789-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 27522#L2816-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 27521#L2421-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 22995#L1688-2 assume 0 != stopRequestedInDirection_~tmp___0~4;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; 22996#L1136-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 27519#L1701-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 27518#L2057-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 21023#L1745-3 assume !(1 == ~currentHeading~0); 21024#L1755-9 assume !(0 == ~currentFloorID~0); 22142#L1755-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 21705#L1761-11 havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 22281#L1136-7 __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 22282#L2585-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 22318#L2586-1 assume 0 != ~floorButtons_spc2_0~0;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; 22319#L1145-5 __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 22279#L2590-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 21652#L2645-1 cleanup_~i~0 := 1 + cleanup_~i~0; 21331#L199-2 [2020-11-30 00:35:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:26,342 INFO L82 PathProgramCache]: Analyzing trace with hash -60097954, now seen corresponding path program 1 times [2020-11-30 00:35:26,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:26,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445016881] [2020-11-30 00:35:26,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:26,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445016881] [2020-11-30 00:35:26,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:26,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:26,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830007124] [2020-11-30 00:35:26,420 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:35:26,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:26,420 INFO L82 PathProgramCache]: Analyzing trace with hash 300043145, now seen corresponding path program 1 times [2020-11-30 00:35:26,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:26,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489775776] [2020-11-30 00:35:26,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:26,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489775776] [2020-11-30 00:35:26,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:26,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:35:26,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905288166] [2020-11-30 00:35:26,497 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:35:26,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:26,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:35:26,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:35:26,498 INFO L87 Difference]: Start difference. First operand 6877 states and 12959 transitions. cyclomatic complexity: 6084 Second operand 5 states. [2020-11-30 00:35:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:27,395 INFO L93 Difference]: Finished difference Result 21070 states and 39421 transitions. [2020-11-30 00:35:27,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:35:27,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21070 states and 39421 transitions. [2020-11-30 00:35:27,528 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16716 [2020-11-30 00:35:27,648 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21070 states to 21070 states and 39421 transitions. [2020-11-30 00:35:27,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21070 [2020-11-30 00:35:27,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21070 [2020-11-30 00:35:27,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21070 states and 39421 transitions. [2020-11-30 00:35:27,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:35:27,906 INFO L691 BuchiCegarLoop]: Abstraction has 21070 states and 39421 transitions. [2020-11-30 00:35:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21070 states and 39421 transitions. [2020-11-30 00:35:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21070 to 8790. [2020-11-30 00:35:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8790 states. [2020-11-30 00:35:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8790 states to 8790 states and 16426 transitions. [2020-11-30 00:35:28,296 INFO L714 BuchiCegarLoop]: Abstraction has 8790 states and 16426 transitions. [2020-11-30 00:35:28,296 INFO L594 BuchiCegarLoop]: Abstraction has 8790 states and 16426 transitions. [2020-11-30 00:35:28,296 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:35:28,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8790 states and 16426 transitions. [2020-11-30 00:35:28,339 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4535 [2020-11-30 00:35:28,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:35:28,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:35:28,345 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:28,345 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:35:28,346 INFO L794 eck$LassoCheckResult]: Stem: 49587#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~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string109.base, #t~string109.offset, 1);call write~init~int(95, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(93, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string111.base, #t~string111.offset, 1);call write~init~int(93, #t~string111.base, 1 + #t~string111.offset, 1);call write~init~int(32, #t~string111.base, 2 + #t~string111.offset, 1);call write~init~int(0, #t~string111.base, 3 + #t~string111.offset, 1);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string113.base, #t~string113.offset, 1);call write~init~int(97, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(116, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(32, #t~string113.base, 3 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 4 + #t~string113.offset, 1);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string115.base, #t~string115.offset, 1);call write~init~int(105, #t~string115.base, 1 + #t~string115.offset, 1);call write~init~int(0, #t~string115.base, 2 + #t~string115.offset, 1);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string119.base, #t~string119.offset, 1);call write~init~int(112, #t~string119.base, 1 + #t~string119.offset, 1);call write~init~int(0, #t~string119.base, 2 + #t~string119.offset, 1);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string121.base, #t~string121.offset, 1);call write~init~int(111, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(119, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(110, #t~string121.base, 3 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 4 + #t~string121.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string123.base, #t~string123.offset, 1);call write~init~int(73, #t~string123.base, 1 + #t~string123.offset, 1);call write~init~int(76, #t~string123.base, 2 + #t~string123.offset, 1);call write~init~int(95, #t~string123.base, 3 + #t~string123.offset, 1);call write~init~int(112, #t~string123.base, 4 + #t~string123.offset, 1);call write~init~int(58, #t~string123.base, 5 + #t~string123.offset, 1);call write~init~int(0, #t~string123.base, 6 + #t~string123.offset, 1);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string125.base, #t~string125.offset, 1);call write~init~int(37, #t~string125.base, 1 + #t~string125.offset, 1);call write~init~int(105, #t~string125.base, 2 + #t~string125.offset, 1);call write~init~int(0, #t~string125.base, 3 + #t~string125.offset, 1);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string127.base, #t~string127.offset, 1);call write~init~int(37, #t~string127.base, 1 + #t~string127.offset, 1);call write~init~int(105, #t~string127.base, 2 + #t~string127.offset, 1);call write~init~int(0, #t~string127.base, 3 + #t~string127.offset, 1);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string129.base, #t~string129.offset, 1);call write~init~int(37, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(105, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string131.base, #t~string131.offset, 1);call write~init~int(37, #t~string131.base, 1 + #t~string131.offset, 1);call write~init~int(105, #t~string131.base, 2 + #t~string131.offset, 1);call write~init~int(0, #t~string131.base, 3 + #t~string131.offset, 1);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string133.base, #t~string133.offset, 1);call write~init~int(37, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(105, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string135.base, #t~string135.offset, 1);call write~init~int(70, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(95, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(112, #t~string135.base, 3 + #t~string135.offset, 1);call write~init~int(58, #t~string135.base, 4 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 5 + #t~string135.offset, 1);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string138.base, #t~string138.offset, 1);call write~init~int(37, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(105, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string141.base, #t~string141.offset, 1);call write~init~int(37, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(105, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string144.base, #t~string144.offset, 1);call write~init~int(37, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(105, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.offset, 1);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string147.base, #t~string147.offset, 1);call write~init~int(37, #t~string147.base, 1 + #t~string147.offset, 1);call write~init~int(105, #t~string147.base, 2 + #t~string147.offset, 1);call write~init~int(0, #t~string147.base, 3 + #t~string147.offset, 1);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string150.base, #t~string150.offset, 1);call write~init~int(37, #t~string150.base, 1 + #t~string150.offset, 1);call write~init~int(105, #t~string150.base, 2 + #t~string150.offset, 1);call write~init~int(0, #t~string150.base, 3 + #t~string150.offset, 1);call #t~string152.base, #t~string152.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string152.base, #t~string152.offset, 1);call write~init~int(0, #t~string152.base, 1 + #t~string152.offset, 1);~cleanupTimeShifts~0 := 12;~head~0.base, ~head~0.offset := 0, 0;~executiveFloor~0 := 4;~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;~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0;~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; 49588#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 50808#L3402 havoc valid_product_#res;havoc valid_product_~retValue_acc~29;havoc valid_product_~retValue_acc~29;valid_product_~retValue_acc~29 := 1;valid_product_#res := valid_product_~retValue_acc~29; 49901#L3410 main_#t~ret20 := valid_product_#res;main_~tmp~8 := main_#t~ret20;havoc main_#t~ret20; 49902#L400 assume 0 != main_~tmp~8; 50583#L369 ~floorButtons_spc2_0~0 := 0;~floorButtons_spc2_1~0 := 0;~floorButtons_spc2_2~0 := 0;~floorButtons_spc2_3~0 := 0;~floorButtons_spc2_4~0 := 0; 50522#L2540 havoc bigMacCall_#t~ret13, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~3;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~3; 49941#L459 assume 0 == getOrigin_~person;getOrigin_~retValue_acc~3 := 4;getOrigin_#res := getOrigin_~retValue_acc~3; 49202#L484 bigMacCall_#t~ret13 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret13;havoc bigMacCall_#t~ret13;initPersonOnFloor_#in~person, initPersonOnFloor_#in~floor := 5, bigMacCall_~tmp~5;havoc initPersonOnFloor_~person, initPersonOnFloor_~floor;initPersonOnFloor_~person := initPersonOnFloor_#in~person;initPersonOnFloor_~floor := initPersonOnFloor_#in~floor; 49634#L3060 assume 0 == initPersonOnFloor_~floor; 49583#L3061 assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 49143#L3168-1 callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 50367#L2852 assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 50089#L2864-2 havoc cleanup_#t~ret14, cleanup_#t~ret15, cleanup_~i~0, cleanup_~tmp~6, cleanup_~tmp___0~0, cleanup_~__cil_tmp4~0;havoc cleanup_~i~0;havoc cleanup_~tmp~6;havoc cleanup_~tmp___0~0;havoc cleanup_~__cil_tmp4~0;havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 50703#L2789 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 51093#L2816 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 51391#L2421 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 51389#L1805 assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 50305#L1136 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 50306#L1809 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 50597#L1822 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 49503#L1958 assume !(0 != timeShift_~tmp___9~2); 49505#L2049 assume !(1 == ~doorState~0); 49325#L2049-2 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 49326#L2789-3 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 50997#L2816-3 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 50998#L2421-1 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 51081#L1688 assume 0 != stopRequestedInDirection_~tmp___0~4;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; 51082#L1136-1 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 56646#L1701 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 56645#L2057 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 56625#L1745 assume !(1 == ~currentHeading~0); 49999#L1755 assume !(0 == ~currentFloorID~0); 50000#L1755-2 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 49708#L1761-5 havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 50925#L1136-3 __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 50498#L2585 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 50499#L2586 assume 0 != ~floorButtons_spc2_0~0;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; 50897#L1145 __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 50898#L2590 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 56610#L2645 cleanup_~i~0 := 0; 57333#L199-2 [2020-11-30 00:35:28,346 INFO L796 eck$LassoCheckResult]: Loop: 57333#L199-2 assume !false; 57328#L200 cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 57326#L203 assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~8;havoc isBlocked_~retValue_acc~8;isBlocked_~retValue_acc~8 := 0;isBlocked_#res := isBlocked_~retValue_acc~8; 57325#L982 cleanup_#t~ret14 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret14;havoc cleanup_#t~ret14; 57324#L207 assume 1 != cleanup_~tmp___0~0; 57323#L207-1 havoc isIdle_#res;havoc isIdle_#t~ret62, isIdle_~retValue_acc~15, isIdle_~tmp~14;havoc isIdle_~retValue_acc~15;havoc isIdle_~tmp~14;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret57, anyStopRequested_#t~ret58, anyStopRequested_#t~ret59, anyStopRequested_#t~ret60, anyStopRequested_#t~ret61, anyStopRequested_~retValue_acc~14, anyStopRequested_~tmp~13, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~14;havoc anyStopRequested_~tmp~13;havoc anyStopRequested_~tmp___0~2;havoc anyStopRequested_~tmp___1~1;havoc anyStopRequested_~tmp___2~1;havoc anyStopRequested_~tmp___3~0;isFloorCalling_#in~floorID := 0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 57322#L2789-25 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 57321#L2816-25 anyStopRequested_#t~ret57 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret57;havoc anyStopRequested_#t~ret57; 57315#L1244 assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~14 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~14; 57306#L1308 isIdle_#t~ret62 := anyStopRequested_#res;isIdle_~tmp~14 := isIdle_#t~ret62;havoc isIdle_#t~ret62;isIdle_~retValue_acc~15 := (if 0 == isIdle_~tmp~14 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~15; 57305#L1321 cleanup_#t~ret15 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret15;havoc cleanup_#t~ret15; 57304#L219 assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret96, timeShift_#t~ret97, timeShift_#t~ret98, timeShift_#t~ret99, timeShift_#t~ret100, timeShift_#t~ret101, timeShift_#t~ret102, timeShift_#t~ret103, timeShift_#t~ret104, timeShift_#t~ret105, timeShift_#t~ret106, timeShift_~tmp~21, timeShift_~tmp___0~8, timeShift_~tmp___1~4, timeShift_~tmp___2~4, timeShift_~tmp___3~3, timeShift_~tmp___4~2, timeShift_~tmp___5~2, timeShift_~tmp___6~2, timeShift_~tmp___7~2, timeShift_~tmp___8~2, timeShift_~tmp___9~2;havoc timeShift_~tmp~21;havoc timeShift_~tmp___0~8;havoc timeShift_~tmp___1~4;havoc timeShift_~tmp___2~4;havoc timeShift_~tmp___3~3;havoc timeShift_~tmp___4~2;havoc timeShift_~tmp___5~2;havoc timeShift_~tmp___6~2;havoc timeShift_~tmp___7~2;havoc timeShift_~tmp___8~2;havoc timeShift_~tmp___9~2;havoc stopRequestedAtCurrentFloor_#res;havoc stopRequestedAtCurrentFloor_#t~ret80, stopRequestedAtCurrentFloor_#t~ret81, stopRequestedAtCurrentFloor_#t~ret82, stopRequestedAtCurrentFloor_#t~ret83, stopRequestedAtCurrentFloor_~retValue_acc~20, stopRequestedAtCurrentFloor_~tmp~19, stopRequestedAtCurrentFloor_~tmp___0~6;havoc stopRequestedAtCurrentFloor_~retValue_acc~20;havoc stopRequestedAtCurrentFloor_~tmp~19;havoc stopRequestedAtCurrentFloor_~tmp___0~6;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 57303#L2789-30 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 51777#L2816-30 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 57302#L2421-3 stopRequestedAtCurrentFloor_#t~ret80 := isExecutiveFloorCalling_#res;stopRequestedAtCurrentFloor_~tmp~19 := stopRequestedAtCurrentFloor_#t~ret80;havoc stopRequestedAtCurrentFloor_#t~ret80; 57301#L1805-1 assume 0 != stopRequestedAtCurrentFloor_~tmp~19;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; 57300#L1136-4 stopRequestedAtCurrentFloor_#t~ret81 := getCurrentFloorID_#res;stopRequestedAtCurrentFloor_~tmp___0~6 := stopRequestedAtCurrentFloor_#t~ret81;havoc stopRequestedAtCurrentFloor_#t~ret81; 57299#L1809-1 assume !(~executiveFloor~0 == stopRequestedAtCurrentFloor_~tmp___0~6);stopRequestedAtCurrentFloor_~retValue_acc~20 := 0;stopRequestedAtCurrentFloor_#res := stopRequestedAtCurrentFloor_~retValue_acc~20; 50600#L1822-1 timeShift_#t~ret96 := stopRequestedAtCurrentFloor_#res;timeShift_~tmp___9~2 := timeShift_#t~ret96;havoc timeShift_#t~ret96; 57298#L1958-1 assume !(0 != timeShift_~tmp___9~2); 57297#L2049-3 assume !(1 == ~doorState~0); 57296#L2049-5 stopRequestedInDirection_#in~dir, stopRequestedInDirection_#in~respectFloorCalls, stopRequestedInDirection_#in~respectInLiftCalls := ~currentHeading~0, 1, 1;havoc stopRequestedInDirection_#res;havoc stopRequestedInDirection_#t~ret74, stopRequestedInDirection_#t~ret75, stopRequestedInDirection_#t~ret76, stopRequestedInDirection_~dir, stopRequestedInDirection_~respectFloorCalls, stopRequestedInDirection_~respectInLiftCalls, stopRequestedInDirection_~retValue_acc~17, stopRequestedInDirection_~tmp~16, stopRequestedInDirection_~tmp___0~4, stopRequestedInDirection_~__cil_tmp7~5, stopRequestedInDirection_~__cil_tmp8~5;stopRequestedInDirection_~dir := stopRequestedInDirection_#in~dir;stopRequestedInDirection_~respectFloorCalls := stopRequestedInDirection_#in~respectFloorCalls;stopRequestedInDirection_~respectInLiftCalls := stopRequestedInDirection_#in~respectInLiftCalls;havoc stopRequestedInDirection_~retValue_acc~17;havoc stopRequestedInDirection_~tmp~16;havoc stopRequestedInDirection_~tmp___0~4;havoc stopRequestedInDirection_~__cil_tmp7~5;havoc stopRequestedInDirection_~__cil_tmp8~5;havoc isExecutiveFloorCalling_#res;havoc isExecutiveFloorCalling_#t~ret154, isExecutiveFloorCalling_~retValue_acc~23;havoc isExecutiveFloorCalling_~retValue_acc~23;isFloorCalling_#in~floorID := ~executiveFloor~0;havoc isFloorCalling_#res;havoc isFloorCalling_~floorID, isFloorCalling_~retValue_acc~25;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~25; 57295#L2789-33 assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~25 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~25; 57234#L2816-33 isExecutiveFloorCalling_#t~ret154 := isFloorCalling_#res;isExecutiveFloorCalling_~retValue_acc~23 := isExecutiveFloorCalling_#t~ret154;havoc isExecutiveFloorCalling_#t~ret154;isExecutiveFloorCalling_#res := isExecutiveFloorCalling_~retValue_acc~23; 57166#L2421-4 stopRequestedInDirection_#t~ret74 := isExecutiveFloorCalling_#res;stopRequestedInDirection_~tmp___0~4 := stopRequestedInDirection_#t~ret74;havoc stopRequestedInDirection_#t~ret74; 57116#L1688-2 assume 0 != stopRequestedInDirection_~tmp___0~4;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; 57111#L1136-5 stopRequestedInDirection_#t~ret75 := getCurrentFloorID_#res;stopRequestedInDirection_~tmp~16 := stopRequestedInDirection_#t~ret75;havoc stopRequestedInDirection_#t~ret75;stopRequestedInDirection_~__cil_tmp7~5 := (if 1 == stopRequestedInDirection_~dir then 1 else 0);stopRequestedInDirection_~__cil_tmp8~5 := (if stopRequestedInDirection_~tmp~16 < ~executiveFloor~0 then 1 else 0);stopRequestedInDirection_~retValue_acc~17 := (if stopRequestedInDirection_~__cil_tmp8~5 == stopRequestedInDirection_~__cil_tmp7~5 then 1 else 0);stopRequestedInDirection_#res := stopRequestedInDirection_~retValue_acc~17; 57110#L1701-2 timeShift_#t~ret103 := stopRequestedInDirection_#res;timeShift_~tmp___8~2 := timeShift_#t~ret103;havoc timeShift_#t~ret103; 57103#L2057-1 assume 0 != timeShift_~tmp___8~2;continueInDirection_#in~dir := ~currentHeading~0;havoc continueInDirection_#t~ret77, continueInDirection_~dir, continueInDirection_~tmp~17;continueInDirection_~dir := continueInDirection_#in~dir;havoc continueInDirection_~tmp~17;~currentHeading~0 := continueInDirection_~dir; 57104#L1745-3 assume !(1 == ~currentHeading~0); 57349#L1755-9 assume !(0 == ~currentFloorID~0); 50142#L1755-11 assume !(1 == ~currentHeading~0);~currentFloorID~0 := ~currentFloorID~0 - 1; 49678#L1761-11 havoc __utac_acc__Specification2_spec__3_#t~ret161, __utac_acc__Specification2_spec__3_#t~ret162, __utac_acc__Specification2_spec__3_#t~ret163, __utac_acc__Specification2_spec__3_#t~ret164, __utac_acc__Specification2_spec__3_#t~ret165, __utac_acc__Specification2_spec__3_#t~ret166, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~12, __utac_acc__Specification2_spec__3_~tmp___1~8, __utac_acc__Specification2_spec__3_~tmp___2~6, __utac_acc__Specification2_spec__3_~tmp___3~5, __utac_acc__Specification2_spec__3_~tmp___4~3;havoc __utac_acc__Specification2_spec__3_~floor~0;havoc __utac_acc__Specification2_spec__3_~tmp~25;havoc __utac_acc__Specification2_spec__3_~tmp___0~12;havoc __utac_acc__Specification2_spec__3_~tmp___1~8;havoc __utac_acc__Specification2_spec__3_~tmp___2~6;havoc __utac_acc__Specification2_spec__3_~tmp___3~5;havoc __utac_acc__Specification2_spec__3_~tmp___4~3;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; 50913#L1136-7 __utac_acc__Specification2_spec__3_#t~ret161 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret161;havoc __utac_acc__Specification2_spec__3_#t~ret161;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 50501#L2585-1 assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 50502#L2586-1 assume 0 != ~floorButtons_spc2_0~0;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; 50883#L1145-5 __utac_acc__Specification2_spec__3_#t~ret162 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret162;havoc __utac_acc__Specification2_spec__3_#t~ret162; 50884#L2590-2 assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 49624#L2645-1 cleanup_~i~0 := 1 + cleanup_~i~0; 57333#L199-2 [2020-11-30 00:35:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:28,347 INFO L82 PathProgramCache]: Analyzing trace with hash -60097954, now seen corresponding path program 2 times [2020-11-30 00:35:28,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:28,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875575165] [2020-11-30 00:35:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:28,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875575165] [2020-11-30 00:35:28,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:35:28,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:35:28,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236928658] [2020-11-30 00:35:28,465 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-30 00:35:28,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:28,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1388900597, now seen corresponding path program 1 times [2020-11-30 00:35:28,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:35:28,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366724427] [2020-11-30 00:35:28,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:35:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:28,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:35:28,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:35:28,585 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:35:29,655 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 176 DAG size of output: 158 [2020-11-30 00:35:30,265 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 124 [2020-11-30 00:35:30,291 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:30,292 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:30,292 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:30,292 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:30,292 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-30 00:35:30,292 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:30,292 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:30,293 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:30,293 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product11.cil.c_Iteration3_Loop [2020-11-30 00:35:30,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:30,294 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:30,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:30,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:31,653 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:31,654 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/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 [2020-11-30 00:35:31,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:35:31,683 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,684 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret166=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret166=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:31,709 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,709 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:35:31,712 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,713 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Honda state: {ULTIMATE.start_timeShift_~tmp___7~2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:31,737 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,737 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:35:31,748 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,748 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret101=0} Honda state: {ULTIMATE.start_timeShift_#t~ret101=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:31,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-30 00:35:31,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,806 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret164=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret164=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:31,867 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,867 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 [2020-11-30 00:35:31,874 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,874 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_timeShift_#t~ret103=0} Honda state: {ULTIMATE.start_timeShift_#t~ret103=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:31,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,918 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 [2020-11-30 00:35:31,922 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,922 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_continueInDirection_~tmp~17=0} Honda state: {ULTIMATE.start_continueInDirection_~tmp~17=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:31,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:31,964 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:31,975 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-30 00:35:31,975 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_stopRequestedInDirection_#t~ret74=0} Honda state: {ULTIMATE.start_stopRequestedInDirection_#t~ret74=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/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 [2020-11-30 00:35:32,000 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-30 00:35:32,000 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:32,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-30 00:35:32,064 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:32,862 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-30 00:35:32,864 INFO L210 LassoAnalysis]: Preferences: [2020-11-30 00:35:32,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-30 00:35:32,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-30 00:35:32,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-30 00:35:32,865 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-30 00:35:32,865 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:32,865 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-30 00:35:32,865 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-30 00:35:32,865 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product11.cil.c_Iteration3_Loop [2020-11-30 00:35:32,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-30 00:35:32,866 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-30 00:35:32,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:32,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:33,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-30 00:35:34,038 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-30 00:35:34,296 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2020-11-30 00:35:34,463 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-30 00:35:34,476 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,492 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 [2020-11-30 00:35:34,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,500 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,542 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 [2020-11-30 00:35:34,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,545 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 [2020-11-30 00:35:34,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,595 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 [2020-11-30 00:35:34,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,652 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 [2020-11-30 00:35:34,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,655 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 [2020-11-30 00:35:34,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-30 00:35:34,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,755 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 [2020-11-30 00:35:34,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,814 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 [2020-11-30 00:35:34,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:34,938 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 [2020-11-30 00:35:34,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:34,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:34,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:34,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:34,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:34,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:34,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:34,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,022 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 [2020-11-30 00:35:35,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-30 00:35:35,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-30 00:35:35,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-30 00:35:35,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-30 00:35:35,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-30 00:35:35,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-30 00:35:35,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-30 00:35:35,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-30 00:35:35,083 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-11-30 00:35:35,083 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3056b304-d69d-435c-9ba6-224ad4149aad/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-30 00:35:35,096 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-30 00:35:35,096 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-30 00:35:35,096 INFO L510 LassoAnalysis]: Proved termination. [2020-11-30 00:35:35,097 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~cleanupTimeShifts~0, ULTIMATE.start_cleanup_~i~0) = 1*~cleanupTimeShifts~0 - 1*ULTIMATE.start_cleanup_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:35:35,134 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-30 00:35:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:35:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:35,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:35:35,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:35:35,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-30 00:35:35,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:35:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:35:35,523 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 [2020-11-30 00:35:35,523 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8790 states and 16426 transitions. cyclomatic complexity: 7638 Second operand 5 states. [2020-11-30 00:35:35,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8790 states and 16426 transitions. cyclomatic complexity: 7638. Second operand 5 states. Result 13325 states and 24875 transitions. Complement of second has 8 states. [2020-11-30 00:35:35,999 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 [2020-11-30 00:35:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-30 00:35:36,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4526 transitions. [2020-11-30 00:35:36,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4526 transitions. Stem has 41 letters. Loop has 39 letters. [2020-11-30 00:35:36,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4526 transitions. Stem has 80 letters. Loop has 39 letters. [2020-11-30 00:35:36,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4526 transitions. Stem has 41 letters. Loop has 78 letters. [2020-11-30 00:35:36,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-30 00:35:36,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13325 states and 24875 transitions. [2020-11-30 00:35:36,108 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:35:36,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13325 states to 0 states and 0 transitions. [2020-11-30 00:35:36,109 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:35:36,109 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:35:36,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:35:36,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:35:36,110 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:36,110 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:36,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:35:36,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:35:36,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:35:36,118 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2020-11-30 00:35:36,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:35:36,118 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-11-30 00:35:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:35:36,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2020-11-30 00:35:36,119 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:35:36,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:35:36,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:35:36,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:35:36,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:35:36,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:35:36,120 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:36,120 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:36,120 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:35:36,121 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:35:36,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:35:36,121 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:35:36,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:35:36,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:35:36 BoogieIcfgContainer [2020-11-30 00:35:36,127 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:35:36,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:35:36,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:35:36,128 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:35:36,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:35:17" (3/4) ... [2020-11-30 00:35:36,133 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:35:36,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:35:36,141 INFO L168 Benchmark]: Toolchain (without parser) took 27110.31 ms. Allocated memory was 83.9 MB in the beginning and 675.3 MB in the end (delta: 591.4 MB). Free memory was 49.5 MB in the beginning and 373.7 MB in the end (delta: -324.2 MB). Peak memory consumption was 265.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,142 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:36,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1253.59 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 47.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,144 INFO L168 Benchmark]: Boogie Procedure Inliner took 359.04 ms. Allocated memory is still 104.9 MB. Free memory was 47.0 MB in the beginning and 60.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,144 INFO L168 Benchmark]: Boogie Preprocessor took 283.03 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 56.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,148 INFO L168 Benchmark]: RCFGBuilder took 6727.69 ms. Allocated memory was 104.9 MB in the beginning and 293.6 MB in the end (delta: 188.7 MB). Free memory was 56.9 MB in the beginning and 129.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 127.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,149 INFO L168 Benchmark]: BuchiAutomizer took 18464.27 ms. Allocated memory was 293.6 MB in the beginning and 675.3 MB in the end (delta: 381.7 MB). Free memory was 129.9 MB in the beginning and 373.7 MB in the end (delta: -243.8 MB). Peak memory consumption was 136.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:35:36,152 INFO L168 Benchmark]: Witness Printer took 7.62 ms. Allocated memory is still 675.3 MB. Free memory is still 373.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:35:36,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory was 58.0 MB in the beginning and 58.0 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1253.59 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 49.3 MB in the beginning and 47.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 359.04 ms. Allocated memory is still 104.9 MB. Free memory was 47.0 MB in the beginning and 60.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 283.03 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 56.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6727.69 ms. Allocated memory was 104.9 MB in the beginning and 293.6 MB in the end (delta: 188.7 MB). Free memory was 56.9 MB in the beginning and 129.9 MB in the end (delta: -73.0 MB). Peak memory consumption was 127.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 18464.27 ms. Allocated memory was 293.6 MB in the beginning and 675.3 MB in the end (delta: 381.7 MB). Free memory was 129.9 MB in the beginning and 373.7 MB in the end (delta: -243.8 MB). Peak memory consumption was 136.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.62 ms. Allocated memory is still 675.3 MB. Free memory is still 373.7 MB. There was no memory consumed. Max. memory is 16.1 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 18.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 7.6s. Construction of modules took 4.7s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.7s AutomataMinimizationTime, 2 MinimizatonAttempts, 23538 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.8s Buchi closure took 0.2s. Biggest automaton had 8790 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17928 SDtfs, 77627 SDslu, 53224 SDs, 0 SdLazy, 2577 SolverSat, 699 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital181 mio100 ax100 hnf100 lsp15 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq221 hnf87 smp100 dnf203 smp87 tf102 neg97 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...