./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/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 b1532eb84511f08efccba1f71db5d8156ba5c802 ................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:44:13,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:44:13,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:44:13,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:44:13,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:44:13,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:44:13,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:44:13,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:44:13,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:44:13,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:44:13,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:44:13,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:44:13,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:44:13,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:44:13,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:44:13,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:44:13,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:44:13,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:44:13,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:44:13,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:44:13,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:44:13,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:44:13,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:44:13,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:44:13,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:44:13,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:44:13,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:44:13,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:44:13,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:44:13,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:44:13,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:44:13,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:44:13,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:44:13,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:44:13,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:44:13,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:44:13,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:44:13,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:44:13,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:44:13,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:44:13,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:44:13,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:44:13,668 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:44:13,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:44:13,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:44:13,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:44:13,671 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:44:13,672 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:44:13,673 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:44:13,673 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:44:13,674 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:44:13,674 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:44:13,675 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:44:13,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:44:13,676 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:44:13,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:44:13,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:44:13,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:44:13,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:44:13,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:44:13,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:44:13,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:44:13,679 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:44:13,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:44:13,680 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:44:13,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:44:13,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:44:13,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:44:13,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:44:13,682 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:44:13,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:44:13,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:44:13,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:44:13,683 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:44:13,684 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:44:13,684 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1532eb84511f08efccba1f71db5d8156ba5c802 [2020-11-29 18:44:14,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:44:14,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:44:14,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:44:14,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:44:14,076 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:44:14,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2020-11-29 18:44:14,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/data/8ea63ce6d/98c28aa85a064617ad67c2c2f396405d/FLAG839d2674b [2020-11-29 18:44:14,814 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:44:14,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2020-11-29 18:44:14,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/data/8ea63ce6d/98c28aa85a064617ad67c2c2f396405d/FLAG839d2674b [2020-11-29 18:44:15,071 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/data/8ea63ce6d/98c28aa85a064617ad67c2c2f396405d [2020-11-29 18:44:15,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:44:15,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:44:15,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:44:15,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:44:15,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:44:15,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:15,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33764639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15, skipping insertion in model container [2020-11-29 18:44:15,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:15,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:44:15,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:44:15,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:44:15,690 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:44:15,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:44:15,875 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:44:15,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15 WrapperNode [2020-11-29 18:44:15,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:44:15,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:44:15,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:44:15,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:44:15,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:15,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:44:16,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:44:16,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:44:16,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:44:16,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... [2020-11-29 18:44:16,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:44:16,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:44:16,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:44:16,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:44:16,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:44:16,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:44:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:44:16,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:44:16,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:44:19,021 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:44:19,024 INFO L298 CfgBuilder]: Removed 906 assume(true) statements. [2020-11-29 18:44:19,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:19 BoogieIcfgContainer [2020-11-29 18:44:19,027 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:44:19,029 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:44:19,029 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:44:19,033 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:44:19,034 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:44:19,034 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:44:15" (1/3) ... [2020-11-29 18:44:19,036 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@516b4b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:44:19, skipping insertion in model container [2020-11-29 18:44:19,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:44:19,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:15" (2/3) ... [2020-11-29 18:44:19,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@516b4b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:44:19, skipping insertion in model container [2020-11-29 18:44:19,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:44:19,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:19" (3/3) ... [2020-11-29 18:44:19,039 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-11-29 18:44:19,097 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:44:19,098 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:44:19,098 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:44:19,098 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:44:19,098 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:44:19,098 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:44:19,098 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:44:19,098 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:44:19,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 470 states. [2020-11-29 18:44:19,215 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2020-11-29 18:44:19,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:44:19,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:44:19,230 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:19,230 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:19,230 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:44:19,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 470 states. [2020-11-29 18:44:19,251 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 307 [2020-11-29 18:44:19,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:44:19,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:44:19,254 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:19,255 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:19,262 INFO L794 eck$LassoCheckResult]: Stem: 359#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string81.base, #t~string81.offset, 1);call write~init~int(77, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(101, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(116, #t~string81.base, 3 + #t~string81.offset, 1);call write~init~int(104, #t~string81.base, 4 + #t~string81.offset, 1);call write~init~int(58, #t~string81.base, 5 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 6 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string83.base, #t~string83.offset, 1);call write~init~int(82, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(73, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(84, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 4 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string85.base, #t~string85.offset, 1);call write~init~int(75, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 2 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string87.base, #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 1 + #t~string87.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 240#L-1true havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 75#L875true havoc select_features_#t~ret70, select_features_#t~ret71, select_features_#t~ret72, select_features_#t~ret73, select_features_#t~ret74, select_features_#t~ret75;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 209#L850true select_features_#t~ret70 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret70;havoc select_features_#t~ret70;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 211#L850-1true select_features_#t~ret71 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret71;havoc select_features_#t~ret71;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 214#L850-2true select_features_#t~ret72 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret72;havoc select_features_#t~ret72;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 216#L850-3true select_features_#t~ret73 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret73;havoc select_features_#t~ret73;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 196#L850-4true select_features_#t~ret74 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret74;havoc select_features_#t~ret74;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 198#L850-5true select_features_#t~ret75 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret75;havoc select_features_#t~ret75; 446#L867true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 206#L883true main_#t~ret88 := valid_product_#res;main_~tmp~11 := main_#t~ret88;havoc main_#t~ret88; 298#L1110true assume 0 != main_~tmp~11; 465#L1087true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 76#L897-1true [2020-11-29 18:44:19,263 INFO L796 eck$LassoCheckResult]: Loop: 76#L897-1true assume !false; 142#L67true assume test_~splverifierCounter~0 < 4; 237#L68true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 244#L76true assume !(0 != test_~tmp~0); 242#L76-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 314#L86true assume !(0 != test_~tmp___0~0); 307#L86-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 467#L96true assume 0 != test_~tmp___2~0; 315#L97true assume 0 != ~__SELECTED_FEATURE_startCommand~0;~systemActive~0 := 1; 311#L108-1true assume !(0 != ~pumpRunning~0); 405#L150true assume !(0 != ~systemActive~0); 158#L157true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 127#L959-10true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 72#L897true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 76#L897-1true [2020-11-29 18:44:19,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:19,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2020-11-29 18:44:19,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:44:19,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366160605] [2020-11-29 18:44:19,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:44:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:19,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:19,878 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:19,970 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:44:19,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:19,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1157828187, now seen corresponding path program 1 times [2020-11-29 18:44:19,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:44:19,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700323083] [2020-11-29 18:44:19,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:44:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:20,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700323083] [2020-11-29 18:44:20,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:44:20,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:44:20,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284833275] [2020-11-29 18:44:20,100 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 18:44:20,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:44:20,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:44:20,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:44:20,129 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 3 states. [2020-11-29 18:44:20,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:44:20,327 INFO L93 Difference]: Finished difference Result 921 states and 1431 transitions. [2020-11-29 18:44:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:44:20,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 921 states and 1431 transitions. [2020-11-29 18:44:20,352 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 606 [2020-11-29 18:44:20,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 921 states to 907 states and 1416 transitions. [2020-11-29 18:44:20,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 907 [2020-11-29 18:44:20,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 907 [2020-11-29 18:44:20,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 907 states and 1416 transitions. [2020-11-29 18:44:20,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:44:20,400 INFO L691 BuchiCegarLoop]: Abstraction has 907 states and 1416 transitions. [2020-11-29 18:44:20,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states and 1416 transitions. [2020-11-29 18:44:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 905. [2020-11-29 18:44:20,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2020-11-29 18:44:20,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1413 transitions. [2020-11-29 18:44:20,547 INFO L714 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2020-11-29 18:44:20,547 INFO L594 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2020-11-29 18:44:20,547 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:44:20,548 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 905 states and 1413 transitions. [2020-11-29 18:44:20,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 604 [2020-11-29 18:44:20,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:44:20,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:44:20,562 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:20,562 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:44:20,563 INFO L794 eck$LassoCheckResult]: Stem: 1881#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(13);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string81.base, #t~string81.offset, 1);call write~init~int(77, #t~string81.base, 1 + #t~string81.offset, 1);call write~init~int(101, #t~string81.base, 2 + #t~string81.offset, 1);call write~init~int(116, #t~string81.base, 3 + #t~string81.offset, 1);call write~init~int(104, #t~string81.base, 4 + #t~string81.offset, 1);call write~init~int(58, #t~string81.base, 5 + #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 6 + #t~string81.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string83.base, #t~string83.offset, 1);call write~init~int(82, #t~string83.base, 1 + #t~string83.offset, 1);call write~init~int(73, #t~string83.base, 2 + #t~string83.offset, 1);call write~init~int(84, #t~string83.base, 3 + #t~string83.offset, 1);call write~init~int(0, #t~string83.base, 4 + #t~string83.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string85.base, #t~string85.offset, 1);call write~init~int(75, #t~string85.base, 1 + #t~string85.offset, 1);call write~init~int(0, #t~string85.base, 2 + #t~string85.offset, 1);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string87.base, #t~string87.offset, 1);call write~init~int(0, #t~string87.base, 1 + #t~string87.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 1753#L-1 havoc main_#res;havoc main_#t~ret88, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 1535#L875 havoc select_features_#t~ret70, select_features_#t~ret71, select_features_#t~ret72, select_features_#t~ret73, select_features_#t~ret74, select_features_#t~ret75;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1536#L850 select_features_#t~ret70 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret70;havoc select_features_#t~ret70;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1722#L850-1 select_features_#t~ret71 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret71;havoc select_features_#t~ret71;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1724#L850-2 select_features_#t~ret72 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret72;havoc select_features_#t~ret72;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1727#L850-3 select_features_#t~ret73 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret73;havoc select_features_#t~ret73;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1707#L850-4 select_features_#t~ret74 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret74;havoc select_features_#t~ret74;havoc select_one_#res;havoc select_one_#t~nondet69, select_one_~retValue_acc~7, select_one_~choice~0;havoc select_one_~retValue_acc~7;select_one_~choice~0 := select_one_#t~nondet69;havoc select_one_#t~nondet69;select_one_~retValue_acc~7 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~7; 1708#L850-5 select_features_#t~ret75 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret75;havoc select_features_#t~ret75; 1710#L867 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~8; 1718#L883 main_#t~ret88 := valid_product_#res;main_~tmp~11 := main_#t~ret88;havoc main_#t~ret88; 1719#L1110 assume 0 != main_~tmp~11; 1830#L1087 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1528#L897-1 [2020-11-29 18:44:20,563 INFO L796 eck$LassoCheckResult]: Loop: 1528#L897-1 assume !false; 1537#L67 assume test_~splverifierCounter~0 < 4; 1642#L68 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 1758#L76 assume !(0 != test_~tmp~0); 1759#L76-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 1848#L86 assume !(0 != test_~tmp___0~0); 1849#L86-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 1971#L96 assume 0 != test_~tmp___2~0; 1851#L97 assume 0 != ~__SELECTED_FEATURE_startCommand~0;~systemActive~0 := 1; 1763#L108-1 assume !(0 != ~pumpRunning~0); 1908#L150 assume 0 != ~systemActive~0; 1905#L293 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 1906#L250-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2012#L207-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1666#L157 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~10, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~10;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1622#L959-10 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~10 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 1527#L897 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10); 1528#L897-1 [2020-11-29 18:44:20,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:20,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2020-11-29 18:44:20,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:44:20,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328887677] [2020-11-29 18:44:20,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:44:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:20,702 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:20,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:20,827 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:44:20,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash 24171962, now seen corresponding path program 1 times [2020-11-29 18:44:20,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:44:20,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708066979] [2020-11-29 18:44:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:44:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:20,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:20,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:20,850 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:44:20,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:20,851 INFO L82 PathProgramCache]: Analyzing trace with hash -413646928, now seen corresponding path program 1 times [2020-11-29 18:44:20,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:44:20,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835140308] [2020-11-29 18:44:20,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:44:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:20,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:44:21,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:44:21,057 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:44:21,217 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-11-29 18:46:11,450 WARN L193 SmtUtils]: Spent 1.84 m on a formula simplification. DAG size of input: 553 DAG size of output: 495 [2020-11-29 18:47:17,531 WARN L193 SmtUtils]: Spent 1.10 m on a formula simplification that was a NOOP. DAG size: 444 [2020-11-29 18:47:18,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:47:18 BoogieIcfgContainer [2020-11-29 18:47:18,089 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:47:18,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:47:18,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:47:18,090 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:47:18,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:19" (3/4) ... [2020-11-29 18:47:18,093 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 18:47:18,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a853727b-0185-4848-b25a-36d1e6957951/bin/uautomizer/witness.graphml [2020-11-29 18:47:18,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:47:18,166 INFO L168 Benchmark]: Toolchain (without parser) took 183089.85 ms. Allocated memory was 98.6 MB in the beginning and 182.5 MB in the end (delta: 83.9 MB). Free memory was 68.6 MB in the beginning and 80.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 71.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,167 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 98.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:47:18,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.68 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 68.3 MB in the beginning and 93.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 238.16 ms. Allocated memory is still 132.1 MB. Free memory was 93.5 MB in the beginning and 82.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,169 INFO L168 Benchmark]: Boogie Preprocessor took 168.32 ms. Allocated memory is still 132.1 MB. Free memory was 82.4 MB in the beginning and 75.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,169 INFO L168 Benchmark]: RCFGBuilder took 2741.18 ms. Allocated memory is still 132.1 MB. Free memory was 75.4 MB in the beginning and 79.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,170 INFO L168 Benchmark]: BuchiAutomizer took 179060.96 ms. Allocated memory was 132.1 MB in the beginning and 182.5 MB in the end (delta: 50.3 MB). Free memory was 79.1 MB in the beginning and 83.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,170 INFO L168 Benchmark]: Witness Printer took 74.77 ms. Allocated memory is still 182.5 MB. Free memory was 83.6 MB in the beginning and 80.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:47:18,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 98.6 MB. Free memory is still 56.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 784.68 ms. Allocated memory was 98.6 MB in the beginning and 132.1 MB in the end (delta: 33.6 MB). Free memory was 68.3 MB in the beginning and 93.5 MB in the end (delta: -25.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 238.16 ms. Allocated memory is still 132.1 MB. Free memory was 93.5 MB in the beginning and 82.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 168.32 ms. Allocated memory is still 132.1 MB. Free memory was 82.4 MB in the beginning and 75.4 MB in the end (delta: 7.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2741.18 ms. Allocated memory is still 132.1 MB. Free memory was 75.4 MB in the beginning and 79.1 MB in the end (delta: -3.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 179060.96 ms. Allocated memory was 132.1 MB in the beginning and 182.5 MB in the end (delta: 50.3 MB). Free memory was 79.1 MB in the beginning and 83.6 MB in the end (delta: -4.5 MB). Peak memory consumption was 93.9 MB. Max. memory is 16.1 GB. * Witness Printer took 74.77 ms. Allocated memory is still 182.5 MB. Free memory was 83.6 MB in the beginning and 80.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 905 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 178.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 178.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 905 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 728 SDtfs, 717 SDslu, 702 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 66]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9911} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e098f0=0, NULL=0, NULL=0, NULL=9924, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2030c2e3=85, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ec32c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@596bc2da=0, NULL=9911, NULL=0, NULL=0, NULL=9938, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b614375=0, NULL=9920, tmp___1=0, NULL=9917, NULL=0, cleanupTimeShifts=4, tmp=0, tmp=1, NULL=9915, NULL=0, NULL=0, waterLevel=1, __SELECTED_FEATURE_methaneAlarm=0, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=9933, NULL=9937, NULL=0, __SELECTED_FEATURE_stopCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@110b17ef=0, NULL=9928, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a778b10=0, head=0, NULL=9923, NULL=0, NULL=9929, choice=54, NULL=0, \result=54, __SELECTED_FEATURE_base=1, NULL=9926, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77314e2f=0, NULL=9939, NULL=0, NULL=0, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3612fa05=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d117b02=0, NULL=9912, NULL=9925, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22945a53=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ef4fad8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f62bc92=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25bcd3af=0, NULL=9930, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, NULL=9931, retValue_acc=0, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9916, retValue_acc=0, retValue_acc=54, \result=0, NULL=9921, NULL=9914, NULL=0, NULL=9935, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, retValue_acc=1, NULL=9932, NULL=9936, __SELECTED_FEATURE_methaneQuery=0, NULL=9918, tmp___2=85, splverifierCounter=0, NULL=0, \result=0, NULL=9919, NULL=9934, __SELECTED_FEATURE_startCommand=54, NULL=9913, NULL=9927, NULL=9922} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L42] int __SELECTED_FEATURE_base ; [L43] int __SELECTED_FEATURE_highWaterSensor ; [L44] int __SELECTED_FEATURE_lowWaterSensor ; [L45] int __SELECTED_FEATURE_methaneQuery ; [L46] int __SELECTED_FEATURE_methaneAlarm ; [L47] int __SELECTED_FEATURE_stopCommand ; [L48] int __SELECTED_FEATURE_startCommand ; [L49] int __GUIDSL_ROOT_PRODUCTION ; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L643] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L916] int waterLevel = 1; [L917] int methaneLevelCritical = 0; [L1028] int cleanupTimeShifts = 4; [L1101] int retValue_acc ; [L1102] int tmp ; [L874] __GUIDSL_ROOT_PRODUCTION = 1 [L859] __SELECTED_FEATURE_base = 1 [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L860] __SELECTED_FEATURE_highWaterSensor = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L861] __SELECTED_FEATURE_lowWaterSensor = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L862] __SELECTED_FEATURE_methaneQuery = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L863] __SELECTED_FEATURE_methaneAlarm = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L864] __SELECTED_FEATURE_stopCommand = select_one() [L845] int retValue_acc ; [L846] int choice = __VERIFIER_nondet_int(); [L849] retValue_acc = choice [L850] return (retValue_acc); [L865] __SELECTED_FEATURE_startCommand = select_one() [L879] int retValue_acc ; [L882] retValue_acc = __SELECTED_FEATURE_base [L883] return (retValue_acc); [L1108] tmp = valid_product() [L1110] COND TRUE \read(tmp) [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 Loop: [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L97] COND TRUE \read(__SELECTED_FEATURE_startCommand) [L469] systemActive = 1 [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L293] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L250] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L207] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L890] int tmp ; [L891] int tmp___0 ; [L955] int retValue_acc ; [L958] retValue_acc = methaneLevelCritical [L959] return (retValue_acc); [L895] tmp = isMethaneLevelCritical() [L897] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...