./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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 773d2c4d0eda21b7c46dba917d93fd8caf4fa295 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:57:43,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:57:43,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:57:43,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:57:43,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:57:43,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:57:43,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:57:43,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:57:43,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:57:43,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:57:43,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:57:43,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:57:43,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:57:43,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:57:43,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:57:43,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:57:43,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:57:43,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:57:43,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:57:43,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:57:43,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:57:43,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:57:43,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:57:43,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:57:43,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:57:43,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:57:43,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:57:43,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:57:43,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:57:43,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:57:43,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:57:43,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:57:43,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:57:43,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:57:43,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:57:43,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:57:43,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:57:43,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:57:43,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:57:43,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:57:43,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:57:43,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 03:57:43,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:57:43,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:57:43,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:57:43,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:57:43,702 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:57:43,702 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 03:57:43,702 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 03:57:43,702 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 03:57:43,703 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 03:57:43,703 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 03:57:43,704 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 03:57:43,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:57:43,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:57:43,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:57:43,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 03:57:43,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:57:43,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:57:43,706 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 03:57:43,706 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:57:43,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 03:57:43,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:57:43,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:57:43,707 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 03:57:43,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:57:43,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:57:43,708 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 03:57:43,709 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 03:57:43,709 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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 -> 773d2c4d0eda21b7c46dba917d93fd8caf4fa295 [2019-11-20 03:57:43,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:57:43,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:57:43,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:57:43,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:57:43,917 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:57:43,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/../../sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2019-11-20 03:57:43,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/data/281814a85/ca715aeeb6234aeda00ca4a0de2cd0b1/FLAGaa4ad7ddd [2019-11-20 03:57:44,523 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:57:44,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/sv-benchmarks/c/product-lines/elevator_spec2_product26.cil.c [2019-11-20 03:57:44,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/data/281814a85/ca715aeeb6234aeda00ca4a0de2cd0b1/FLAGaa4ad7ddd [2019-11-20 03:57:44,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/bin/uautomizer/data/281814a85/ca715aeeb6234aeda00ca4a0de2cd0b1 [2019-11-20 03:57:44,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:57:44,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:57:44,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:57:44,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:57:44,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:57:44,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:57:44" (1/1) ... [2019-11-20 03:57:44,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298b7d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:44, skipping insertion in model container [2019-11-20 03:57:44,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:57:44" (1/1) ... [2019-11-20 03:57:44,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:57:44,852 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:57:45,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:57:45,523 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:57:45,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:57:45,727 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:57:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45 WrapperNode [2019-11-20 03:57:45,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:57:45,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:57:45,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:57:45,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:57:45,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:45,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:45,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:57:45,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:57:45,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:57:45,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:57:45,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:45,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... [2019-11-20 03:57:46,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:57:46,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:57:46,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:57:46,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:57:46,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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 [2019-11-20 03:57:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:57:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 03:57:46,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:57:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:57:56,715 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:57:56,716 INFO L285 CfgBuilder]: Removed 1125 assume(true) statements. [2019-11-20 03:57:56,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:57:56 BoogieIcfgContainer [2019-11-20 03:57:56,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:57:56,722 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 03:57:56,722 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 03:57:56,726 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 03:57:56,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:57:56,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 03:57:44" (1/3) ... [2019-11-20 03:57:56,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0cffb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:57:56, skipping insertion in model container [2019-11-20 03:57:56,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:57:56,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:57:45" (2/3) ... [2019-11-20 03:57:56,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0cffb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 03:57:56, skipping insertion in model container [2019-11-20 03:57:56,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 03:57:56,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:57:56" (3/3) ... [2019-11-20 03:57:56,733 INFO L371 chiAutomizerObserver]: Analyzing ICFG elevator_spec2_product26.cil.c [2019-11-20 03:57:56,800 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 03:57:56,801 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 03:57:56,801 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 03:57:56,801 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:57:56,801 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:57:56,802 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 03:57:56,802 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:57:56,802 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 03:57:56,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4855 states. [2019-11-20 03:57:57,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2019-11-20 03:57:57,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:57:57,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:57:57,077 INFO L849 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] [2019-11-20 03:57:57,078 INFO L850 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] [2019-11-20 03:57:57,078 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 03:57:57,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4855 states. [2019-11-20 03:57:57,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2417 [2019-11-20 03:57:57,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 03:57:57,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 03:57:57,148 INFO L849 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] [2019-11-20 03:57:57,149 INFO L850 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] [2019-11-20 03:57:57,165 INFO L794 eck$LassoCheckResult]: Stem: 2374#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~cleanupTimeShifts~0 := 12;~weight~0 := 0;~maximumWeight~0 := 100;~blocked~0 := 0;~currentHeading~0 := 1;~currentFloorID~0 := 0;~persons_0~0 := 0;~persons_1~0 := 0;~persons_2~0 := 0;~persons_3~0 := 0;~persons_4~0 := 0;~persons_5~0 := 0;~doorState~0 := 1;~floorButtons_0~0 := 0;~floorButtons_1~0 := 0;~floorButtons_2~0 := 0;~floorButtons_3~0 := 0;~floorButtons_4~0 := 0;call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string63.base, #t~string63.offset, 1);call write~init~int(95, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(93, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(91, #t~string65.base, #t~string65.offset, 1);call write~init~int(93, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(32, #t~string67.base, #t~string67.offset, 1);call write~init~int(97, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(116, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(37, #t~string69.base, #t~string69.offset, 1);call write~init~int(105, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(10);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(117, #t~string73.base, #t~string73.offset, 1);call write~init~int(112, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(100, #t~string75.base, #t~string75.offset, 1);call write~init~int(111, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(119, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(110, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(7);call write~init~int(32, #t~string77.base, #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(76, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(95, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(112, #t~string77.base, 4 + #t~string77.offset, 1);call write~init~int(58, #t~string77.base, 5 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 6 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string79.base, #t~string79.offset, 1);call write~init~int(37, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(105, #t~string79.base, 2 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 3 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string81.base, #t~string81.offset, 1);call write~init~int(37, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(105, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 3 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string83.base, #t~string83.offset, 1);call write~init~int(37, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(105, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 3 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string85.base, #t~string85.offset, 1);call write~init~int(37, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(105, #t~string85.base, 2 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 3 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string87.base, #t~string87.offset, 1);call write~init~int(37, #t~string87.base, 1 + #t~string87.offset, 1);call write~init~int(105, #t~string87.base, 2 + #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 3 + #t~string87.offset, 1);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(6);call write~init~int(32, #t~string89.base, #t~string89.offset, 1);call write~init~int(70, #t~string89.base, 1 + #t~string89.offset, 1);call write~init~int(95, #t~string89.base, 2 + #t~string89.offset, 1);call write~init~int(112, #t~string89.base, 3 + #t~string89.offset, 1);call write~init~int(58, #t~string89.base, 4 + #t~string89.offset, 1);call write~init~int(0, #t~string89.base, 5 + #t~string89.offset, 1);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string92.base, #t~string92.offset, 1);call write~init~int(37, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(105, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string95.base, #t~string95.offset, 1);call write~init~int(37, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(105, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string98.base, #t~string98.offset, 1);call write~init~int(37, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(105, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string101.base, #t~string101.offset, 1);call write~init~int(37, #t~string101.base, 1 + #t~string101.offset, 1);call write~init~int(105, #t~string101.base, 2 + #t~string101.offset, 1);call write~init~int(0, #t~string101.base, 3 + #t~string101.offset, 1);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(32, #t~string104.base, #t~string104.offset, 1);call write~init~int(37, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(105, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string106.base, #t~string106.offset, 1);call write~init~int(0, #t~string106.base, 1 + #t~string106.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(9);~head~0.base, ~head~0.offset := 0, 0;call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(30);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(9);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(30);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(21);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(30);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(9);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(25);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(30);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string143.base, #t~string143.offset := #Ultimate.allocOnStack(25);~calls_0~0 := 0;~calls_1~0 := 0;~calls_2~0 := 0;~calls_3~0 := 0;~calls_4~0 := 0;~personOnFloor_0_0~0 := 0;~personOnFloor_0_1~0 := 0;~personOnFloor_0_2~0 := 0;~personOnFloor_0_3~0 := 0;~personOnFloor_0_4~0 := 0;~personOnFloor_1_0~0 := 0;~personOnFloor_1_1~0 := 0;~personOnFloor_1_2~0 := 0;~personOnFloor_1_3~0 := 0;~personOnFloor_1_4~0 := 0;~personOnFloor_2_0~0 := 0;~personOnFloor_2_1~0 := 0;~personOnFloor_2_2~0 := 0;~personOnFloor_2_3~0 := 0;~personOnFloor_2_4~0 := 0;~personOnFloor_3_0~0 := 0;~personOnFloor_3_1~0 := 0;~personOnFloor_3_2~0 := 0;~personOnFloor_3_3~0 := 0;~personOnFloor_3_4~0 := 0;~personOnFloor_4_0~0 := 0;~personOnFloor_4_1~0 := 0;~personOnFloor_4_2~0 := 0;~personOnFloor_4_3~0 := 0;~personOnFloor_4_4~0 := 0;~personOnFloor_5_0~0 := 0;~personOnFloor_5_1~0 := 0;~personOnFloor_5_2~0 := 0;~personOnFloor_5_3~0 := 0;~personOnFloor_5_4~0 := 0;~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; 3679#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~1, main_~tmp~8;havoc main_~retValue_acc~1;havoc main_~tmp~8; 153#L2449true havoc valid_product_#res;havoc valid_product_~retValue_acc~22;havoc valid_product_~retValue_acc~22;valid_product_~retValue_acc~22 := 1;valid_product_#res := valid_product_~retValue_acc~22; 681#L2457true main_#t~ret13 := valid_product_#res;main_~tmp~8 := main_#t~ret13;havoc main_#t~ret13; 2637#L389true assume 0 != main_~tmp~8; 3323#L358true ~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; 1833#L3138true havoc bigMacCall_#t~ret6, bigMacCall_~tmp~5;havoc bigMacCall_~tmp~5;getOrigin_#in~person := 5;havoc getOrigin_#res;havoc getOrigin_~person, getOrigin_~retValue_acc~16;getOrigin_~person := getOrigin_#in~person;havoc getOrigin_~retValue_acc~16; 2801#L1974true assume 0 == getOrigin_~person;getOrigin_~retValue_acc~16 := 4;getOrigin_#res := getOrigin_~retValue_acc~16; 442#L1999true bigMacCall_#t~ret6 := getOrigin_#res;bigMacCall_~tmp~5 := bigMacCall_#t~ret6;havoc bigMacCall_#t~ret6;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; 3982#L2815true assume 0 == initPersonOnFloor_~floor; 4126#L2816true assume 0 == initPersonOnFloor_~person;~personOnFloor_0_0~0 := 1; 4282#L2923-1true callOnFloor_#in~floorID := initPersonOnFloor_~floor;havoc callOnFloor_~floorID;callOnFloor_~floorID := callOnFloor_#in~floorID; 1891#L2607true assume 0 == callOnFloor_~floorID;~calls_0~0 := 1; 283#L2619-2true havoc cleanup_#t~ret7, cleanup_#t~ret8, 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~ret60, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1736#L674true timeShift_#t~ret60 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret60;havoc timeShift_#t~ret60; 1498#L1557true assume 0 != timeShift_~tmp~19; 1588#L1558true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3071#L1261-11true havoc __utac_acc__Specification2_spec__3_#t~ret147, __utac_acc__Specification2_spec__3_#t~ret148, __utac_acc__Specification2_spec__3_#t~ret149, __utac_acc__Specification2_spec__3_#t~ret150, __utac_acc__Specification2_spec__3_#t~ret151, __utac_acc__Specification2_spec__3_#t~ret152, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1166#L665true __utac_acc__Specification2_spec__3_#t~ret147 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret147;havoc __utac_acc__Specification2_spec__3_#t~ret147;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4376#L3183true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4508#L3184true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1737#L674-1true __utac_acc__Specification2_spec__3_#t~ret148 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret148;havoc __utac_acc__Specification2_spec__3_#t~ret148; 2485#L3188true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 88#L3243true cleanup_~i~0 := 0; 4356#L188-2true [2019-11-20 03:57:57,166 INFO L796 eck$LassoCheckResult]: Loop: 4356#L188-2true assume !false; 4498#L189true cleanup_~__cil_tmp4~0 := ~cleanupTimeShifts~0 - 1; 4297#L192true assume cleanup_~i~0 < cleanup_~__cil_tmp4~0;havoc isBlocked_#res;havoc isBlocked_~retValue_acc~2;havoc isBlocked_~retValue_acc~2;isBlocked_~retValue_acc~2 := ~blocked~0;isBlocked_#res := isBlocked_~retValue_acc~2; 1269#L487true cleanup_#t~ret7 := isBlocked_#res;cleanup_~tmp___0~0 := cleanup_#t~ret7;havoc cleanup_#t~ret7; 2350#L196true assume 1 != cleanup_~tmp___0~0; 2347#L196-1true havoc isIdle_#res;havoc isIdle_#t~ret22, isIdle_~retValue_acc~9, isIdle_~tmp~13;havoc isIdle_~retValue_acc~9;havoc isIdle_~tmp~13;havoc anyStopRequested_#res;havoc anyStopRequested_#t~ret17, anyStopRequested_#t~ret18, anyStopRequested_#t~ret19, anyStopRequested_#t~ret20, anyStopRequested_#t~ret21, anyStopRequested_~retValue_acc~8, anyStopRequested_~tmp~12, anyStopRequested_~tmp___0~2, anyStopRequested_~tmp___1~1, anyStopRequested_~tmp___2~1, anyStopRequested_~tmp___3~0;havoc anyStopRequested_~retValue_acc~8;havoc anyStopRequested_~tmp~12;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~23;isFloorCalling_~floorID := isFloorCalling_#in~floorID;havoc isFloorCalling_~retValue_acc~23; 878#L2544-42true assume 0 == isFloorCalling_~floorID;isFloorCalling_~retValue_acc~23 := ~calls_0~0;isFloorCalling_#res := isFloorCalling_~retValue_acc~23; 2416#L2571-42true anyStopRequested_#t~ret17 := isFloorCalling_#res;anyStopRequested_~tmp___3~0 := anyStopRequested_#t~ret17;havoc anyStopRequested_#t~ret17; 252#L773true assume 0 != anyStopRequested_~tmp___3~0;anyStopRequested_~retValue_acc~8 := 1;anyStopRequested_#res := anyStopRequested_~retValue_acc~8; 1382#L837true isIdle_#t~ret22 := anyStopRequested_#res;isIdle_~tmp~13 := isIdle_#t~ret22;havoc isIdle_#t~ret22;isIdle_~retValue_acc~9 := (if 0 == isIdle_~tmp~13 then 1 else 0);isIdle_#res := isIdle_~retValue_acc~9; 1749#L850true cleanup_#t~ret8 := isIdle_#res;cleanup_~tmp~6 := cleanup_#t~ret8;havoc cleanup_#t~ret8; 2859#L208true assume !(0 != cleanup_~tmp~6);havoc timeShift_#t~ret60, timeShift_~tmp~19;havoc timeShift_~tmp~19;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1723#L674-6true timeShift_#t~ret60 := areDoorsOpen_#res;timeShift_~tmp~19 := timeShift_#t~ret60;havoc timeShift_#t~ret60; 1646#L1557-1true assume 0 != timeShift_~tmp~19; 1570#L1558-2true assume ~weight~0 > ~maximumWeight~0;~blocked~0 := 1; 3053#L1261-23true havoc __utac_acc__Specification2_spec__3_#t~ret147, __utac_acc__Specification2_spec__3_#t~ret148, __utac_acc__Specification2_spec__3_#t~ret149, __utac_acc__Specification2_spec__3_#t~ret150, __utac_acc__Specification2_spec__3_#t~ret151, __utac_acc__Specification2_spec__3_#t~ret152, __utac_acc__Specification2_spec__3_~floor~0, __utac_acc__Specification2_spec__3_~tmp~25, __utac_acc__Specification2_spec__3_~tmp___0~8, __utac_acc__Specification2_spec__3_~tmp___1~6, __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___0~8;havoc __utac_acc__Specification2_spec__3_~tmp___1~6;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~3;havoc getCurrentFloorID_~retValue_acc~3;getCurrentFloorID_~retValue_acc~3 := ~currentFloorID~0;getCurrentFloorID_#res := getCurrentFloorID_~retValue_acc~3; 1167#L665-1true __utac_acc__Specification2_spec__3_#t~ret147 := getCurrentFloorID_#res;__utac_acc__Specification2_spec__3_~tmp~25 := __utac_acc__Specification2_spec__3_#t~ret147;havoc __utac_acc__Specification2_spec__3_#t~ret147;__utac_acc__Specification2_spec__3_~floor~0 := __utac_acc__Specification2_spec__3_~tmp~25; 4361#L3183-1true assume 0 == __utac_acc__Specification2_spec__3_~floor~0; 4512#L3184-1true assume 0 != ~floorButtons_spc2_0~0;havoc areDoorsOpen_#res;havoc areDoorsOpen_~retValue_acc~4;havoc areDoorsOpen_~retValue_acc~4;areDoorsOpen_~retValue_acc~4 := ~doorState~0;areDoorsOpen_#res := areDoorsOpen_~retValue_acc~4; 1725#L674-7true __utac_acc__Specification2_spec__3_#t~ret148 := areDoorsOpen_#res;__utac_acc__Specification2_spec__3_~tmp___4~3 := __utac_acc__Specification2_spec__3_#t~ret148;havoc __utac_acc__Specification2_spec__3_#t~ret148; 2482#L3188-2true assume 0 != __utac_acc__Specification2_spec__3_~tmp___4~3;~floorButtons_spc2_0~0 := 0; 81#L3243-1true cleanup_~i~0 := 1 + cleanup_~i~0; 4356#L188-2true [2019-11-20 03:57:57,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:57:57,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1323712467, now seen corresponding path program 1 times [2019-11-20 03:57:57,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:57:57,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736816510] [2019-11-20 03:57:57,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:57:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:57:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:57:57,630 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736816510] [2019-11-20 03:57:57,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:57:57,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 03:57:57,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627021402] [2019-11-20 03:57:57,641 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 03:57:57,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:57:57,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2119774427, now seen corresponding path program 1 times [2019-11-20 03:57:57,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:57:57,643 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931588836] [2019-11-20 03:57:57,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:57:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:57:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:57:57,757 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:57:58,054 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-11-20 03:57:58,427 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-11-20 03:57:58,441 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:57:58,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:57:58,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:57:58,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:57:58,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 03:57:58,443 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:58,443 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:57:58,443 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:57:58,443 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2019-11-20 03:57:58,443 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:57:58,444 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:57:58,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:58,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:57:59,105 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:57:59,109 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:57:59,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,126 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:57:59,146 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret147=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret147=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:57:59,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,227 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,237 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:57:59,237 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___1~6=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:57:59,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,278 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,289 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:57:59,289 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret151=0} Honda state: {ULTIMATE.start___utac_acc__Specification2_spec__3_#t~ret151=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:57:59,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,309 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,321 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:57:59,321 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_areDoorsOpen_#res=2, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=2, ULTIMATE.start_timeShift_~tmp~19=2, ~doorState~0=2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=2} Honda state: {ULTIMATE.start_areDoorsOpen_#res=2, ULTIMATE.start_areDoorsOpen_~retValue_acc~4=2, ULTIMATE.start_timeShift_~tmp~19=2, ~doorState~0=2, ULTIMATE.start___utac_acc__Specification2_spec__3_~tmp___4~3=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:57:59,336 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,336 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 [2019-11-20 03:57:59,341 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 03:57:59,341 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Honda state: {ULTIMATE.start_anyStopRequested_~tmp___1~1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 03:57:59,487 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:57:59,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 03:57:59,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 03:58:00,172 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 03:58:00,174 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 03:58:00,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 03:58:00,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 03:58:00,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 03:58:00,175 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 03:58:00,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:00,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 03:58:00,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 03:58:00,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: elevator_spec2_product26.cil.c_Iteration1_Loop [2019-11-20 03:58:00,176 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 03:58:00,176 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 03:58:00,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 03:58:00,941 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 03:58:00,954 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:00,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 03:58:00,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:00,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:00,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:00,967 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-20 03:58:00,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:00,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 03:58:00,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:00,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:01,012 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 [2019-11-20 03:58:01,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:01,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:01,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:01,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:01,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:01,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:01,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:01,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:01,035 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 [2019-11-20 03:58:01,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:01,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:01,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:01,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:01,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:01,039 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:01,039 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 [2019-11-20 03:58:01,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:01,058 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 [2019-11-20 03:58:01,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:01,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:01,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:01,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:01,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:01,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:01,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 03:58:01,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:01,090 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 [2019-11-20 03:58:01,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:01,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:01,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:01,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:01,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:01,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:01,099 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 [2019-11-20 03:58:01,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:01,118 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 [2019-11-20 03:58:01,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 03:58:01,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 03:58:01,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 03:58:01,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 03:58:01,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 03:58:01,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 03:58:01,124 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 [2019-11-20 03:58:01,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 03:58:01,154 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-20 03:58:01,154 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_8286e4bd-1151-423e-af6d-92017ba3d385/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) [2019-11-20 03:58:01,160 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 03:58:01,160 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 03:58:01,161 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 03:58:01,161 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 [] [2019-11-20 03:58:01,166 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 03:58:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:58:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:01,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 03:58:01,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:58:01,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 03:58:01,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:58:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:58:01,507 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 [2019-11-20 03:58:01,509 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4855 states. Second operand 5 states. [2019-11-20 03:58:02,057 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4855 states.. Second operand 5 states. Result 7332 states and 13832 transitions. Complement of second has 9 states. [2019-11-20 03:58:02,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-20 03:58:02,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 03:58:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9227 transitions. [2019-11-20 03:58:02,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 22 letters. [2019-11-20 03:58:02,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:02,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 46 letters. Loop has 22 letters. [2019-11-20 03:58:02,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:02,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9227 transitions. Stem has 24 letters. Loop has 44 letters. [2019-11-20 03:58:02,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 03:58:02,080 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7332 states and 13832 transitions. [2019-11-20 03:58:02,188 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:58:02,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7332 states to 0 states and 0 transitions. [2019-11-20 03:58:02,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:58:02,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:58:02,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:58:02,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:58:02,194 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:02,194 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:02,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:58:02,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 03:58:02,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 03:58:02,200 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-20 03:58:02,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:58:02,204 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-20 03:58:02,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:58:02,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-20 03:58:02,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:58:02,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:58:02,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 03:58:02,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 03:58:02,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 03:58:02,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 03:58:02,208 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:02,208 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:02,208 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:58:02,208 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 03:58:02,208 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:58:02,209 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 03:58:02,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 03:58:02,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 03:58:02 BoogieIcfgContainer [2019-11-20 03:58:02,217 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 03:58:02,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:58:02,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:58:02,218 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:58:02,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:57:56" (3/4) ... [2019-11-20 03:58:02,223 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:58:02,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:58:02,225 INFO L168 Benchmark]: Toolchain (without parser) took 17466.82 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 582.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 431.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,226 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:58:02,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 969.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 252.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,230 INFO L168 Benchmark]: Boogie Preprocessor took 331.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,236 INFO L168 Benchmark]: RCFGBuilder took 10407.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 993.2 MB in the beginning and 1.1 GB in the end (delta: -93.3 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,236 INFO L168 Benchmark]: BuchiAutomizer took 5495.72 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 246.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.8 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:58:02,237 INFO L168 Benchmark]: Witness Printer took 5.60 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:58:02,246 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 969.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 252.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.1 MB). Peak memory consumption was 48.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 331.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 993.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10407.37 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 193.5 MB). Free memory was 993.2 MB in the beginning and 1.1 GB in the end (delta: -93.3 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5495.72 ms. Allocated memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: 246.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -3.8 MB). Peak memory consumption was 242.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.60 ms. Allocated memory is still 1.6 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function cleanupTimeShifts + -1 * i and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9193 SDtfs, 18352 SDslu, 4613 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital109 mio100 ax100 hnf100 lsp16 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq211 hnf89 smp100 dnf176 smp100 tf103 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 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...