./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/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 cc5b595de9a81353e40cb89360f6656c22ce2f6a .................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-07 12:04:50,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:04:50,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:04:50,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:04:50,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:04:50,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:04:50,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:04:50,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:04:50,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:04:50,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:04:50,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:04:50,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:04:50,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:04:50,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:04:50,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:04:50,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:04:50,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:04:50,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:04:50,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:04:50,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:04:50,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:04:50,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:04:50,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:04:50,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:04:50,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:04:50,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:04:50,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:04:50,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:04:50,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:04:50,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:04:50,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:04:50,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:04:50,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:04:50,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:04:50,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:04:50,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:04:50,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:04:50,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:04:50,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:04:50,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:04:50,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:04:50,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:04:50,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:04:50,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:04:50,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:04:50,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:04:50,587 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:04:50,587 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:04:50,587 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:04:50,587 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:04:50,588 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:04:50,588 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:04:50,588 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:04:50,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:04:50,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:04:50,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:04:50,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:04:50,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:04:50,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:04:50,591 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:04:50,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:04:50,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:04:50,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:04:50,592 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:04:50,592 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:04:50,592 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_f458b1c1-2078-40fb-9bda-b702cd1788ee/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 -> cc5b595de9a81353e40cb89360f6656c22ce2f6a [2019-12-07 12:04:50,700 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:04:50,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:04:50,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:04:50,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:04:50,714 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:04:50,715 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 12:04:50,762 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/data/c3b8f59d7/c51a235f3afe4565859dccce86c3a93e/FLAG97aa00098 [2019-12-07 12:04:51,116 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:04:51,117 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2019-12-07 12:04:51,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/data/c3b8f59d7/c51a235f3afe4565859dccce86c3a93e/FLAG97aa00098 [2019-12-07 12:04:51,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/data/c3b8f59d7/c51a235f3afe4565859dccce86c3a93e [2019-12-07 12:04:51,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:04:51,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:04:51,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:04:51,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:04:51,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:04:51,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2b2671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51, skipping insertion in model container [2019-12-07 12:04:51,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:04:51,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:04:51,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:04:51,404 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:04:51,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:04:51,482 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:04:51,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51 WrapperNode [2019-12-07 12:04:51,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:04:51,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:04:51,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:04:51,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:04:51,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:04:51,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:04:51,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:04:51,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:04:51,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... [2019-12-07 12:04:51,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:04:51,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:04:51,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:04:51,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:04:51,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/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 [2019-12-07 12:04:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:04:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:04:51,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:04:51,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:04:52,527 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:04:52,527 INFO L287 CfgBuilder]: Removed 900 assume(true) statements. [2019-12-07 12:04:52,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:04:52 BoogieIcfgContainer [2019-12-07 12:04:52,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:04:52,529 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:04:52,529 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:04:52,532 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:04:52,533 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:04:52,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:04:51" (1/3) ... [2019-12-07 12:04:52,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41e47cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:04:52, skipping insertion in model container [2019-12-07 12:04:52,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:04:52,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:04:51" (2/3) ... [2019-12-07 12:04:52,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41e47cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:04:52, skipping insertion in model container [2019-12-07 12:04:52,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:04:52,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:04:52" (3/3) ... [2019-12-07 12:04:52,536 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2019-12-07 12:04:52,572 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:04:52,572 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:04:52,572 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:04:52,573 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:04:52,573 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:04:52,573 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:04:52,573 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:04:52,573 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:04:52,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states. [2019-12-07 12:04:52,624 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2019-12-07 12:04:52,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:04:52,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:04:52,631 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:52,631 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:52,631 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:04:52,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 467 states. [2019-12-07 12:04:52,639 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 305 [2019-12-07 12:04:52,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:04:52,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:04:52,640 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:52,640 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:52,644 INFO L794 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~__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; 274#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 369#L1108true havoc select_features_#t~ret76, select_features_#t~ret77, select_features_#t~ret78, select_features_#t~ret79, select_features_#t~ret80, select_features_#t~ret81;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 29#L1083true select_features_#t~ret76 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret76;havoc select_features_#t~ret76;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 32#L1083-1true select_features_#t~ret77 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret77;havoc select_features_#t~ret77;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 14#L1083-2true select_features_#t~ret78 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret78;havoc select_features_#t~ret78;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 17#L1083-3true select_features_#t~ret79 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret79;havoc select_features_#t~ret79;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 18#L1083-4true select_features_#t~ret80 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret80;havoc select_features_#t~ret80;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 22#L1083-5true select_features_#t~ret81 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret81;havoc select_features_#t~ret81; 271#L1100true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 27#L1116true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 314#L130true assume 0 != main_~tmp~0; 20#L103true havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 315#L163-1true [2019-12-07 12:04:52,645 INFO L796 eck$LassoCheckResult]: Loop: 315#L163-1true assume !false; 39#L532true assume test_~splverifierCounter~0 < 4; 8#L533true test_~tmp~8 := test_#t~nondet26;havoc test_#t~nondet26; 126#L541true assume !(0 != test_~tmp~8); 127#L541-1true test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 193#L551true assume !(0 != test_~tmp___0~3); 195#L551-1true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 349#L561true assume 0 != test_~tmp___2~0; 192#L562true assume 0 != ~__SELECTED_FEATURE_startCommand~0;~systemActive~0 := 1; 194#L573-1true assume !(0 != ~pumpRunning~0); 270#L197true assume !(0 != ~systemActive~0); 90#L204true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 255#L1048true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 318#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 315#L163-1true [2019-12-07 12:04:52,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:04:52,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2019-12-07 12:04:52,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:04:52,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311888134] [2019-12-07 12:04:52,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:04:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:52,876 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:04:52,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:04:52,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1157828185, now seen corresponding path program 1 times [2019-12-07 12:04:52,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:04:52,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733251753] [2019-12-07 12:04:52,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:04:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:04:52,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:04:52,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733251753] [2019-12-07 12:04:52,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:04:52,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:04:52,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972789734] [2019-12-07 12:04:52,915 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 12:04:52,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:04:52,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:04:52,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:04:52,927 INFO L87 Difference]: Start difference. First operand 467 states. Second operand 3 states. [2019-12-07 12:04:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:04:52,998 INFO L93 Difference]: Finished difference Result 921 states and 1431 transitions. [2019-12-07 12:04:52,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:04:53,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 921 states and 1431 transitions. [2019-12-07 12:04:53,011 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 606 [2019-12-07 12:04:53,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 921 states to 907 states and 1416 transitions. [2019-12-07 12:04:53,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 907 [2019-12-07 12:04:53,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 907 [2019-12-07 12:04:53,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 907 states and 1416 transitions. [2019-12-07 12:04:53,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:04:53,035 INFO L688 BuchiCegarLoop]: Abstraction has 907 states and 1416 transitions. [2019-12-07 12:04:53,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states and 1416 transitions. [2019-12-07 12:04:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 905. [2019-12-07 12:04:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2019-12-07 12:04:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1413 transitions. [2019-12-07 12:04:53,091 INFO L711 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2019-12-07 12:04:53,091 INFO L591 BuchiCegarLoop]: Abstraction has 905 states and 1413 transitions. [2019-12-07 12:04:53,091 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:04:53,091 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 905 states and 1413 transitions. [2019-12-07 12:04:53,095 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 604 [2019-12-07 12:04:53,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:04:53,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:04:53,097 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:53,097 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:04:53,097 INFO L794 eck$LassoCheckResult]: Stem: 1881#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~cleanupTimeShifts~0 := 4;~__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; 1818#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 1819#L1108 havoc select_features_#t~ret76, select_features_#t~ret77, select_features_#t~ret78, select_features_#t~ret79, select_features_#t~ret80, select_features_#t~ret81;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1446#L1083 select_features_#t~ret76 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret76;havoc select_features_#t~ret76;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1447#L1083-1 select_features_#t~ret77 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret77;havoc select_features_#t~ret77;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1419#L1083-2 select_features_#t~ret78 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret78;havoc select_features_#t~ret78;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1420#L1083-3 select_features_#t~ret79 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret79;havoc select_features_#t~ret79;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1425#L1083-4 select_features_#t~ret80 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret80;havoc select_features_#t~ret80;havoc select_one_#res;havoc select_one_#t~nondet75, select_one_~retValue_acc~12, select_one_~choice~0;havoc select_one_~retValue_acc~12;select_one_~choice~0 := select_one_#t~nondet75;havoc select_one_#t~nondet75;select_one_~retValue_acc~12 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~12; 1426#L1083-5 select_features_#t~ret81 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret81;havoc select_features_#t~ret81; 1433#L1100 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~13; 1442#L1116 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1443#L130 assume 0 != main_~tmp~0; 1429#L103 havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1430#L163-1 [2019-12-07 12:04:53,098 INFO L796 eck$LassoCheckResult]: Loop: 1430#L163-1 assume !false; 1948#L532 assume test_~splverifierCounter~0 < 4; 1947#L533 test_~tmp~8 := test_#t~nondet26;havoc test_#t~nondet26; 1588#L541 assume !(0 != test_~tmp~8); 1589#L541-1 test_~tmp___0~3 := test_#t~nondet27;havoc test_#t~nondet27; 1711#L551 assume !(0 != test_~tmp___0~3); 1658#L551-1 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 1714#L561 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet29;havoc test_#t~nondet29; 1709#L573 assume !(0 != test_~tmp___1~0); 1587#L573-1 assume !(0 != ~pumpRunning~0); 1814#L197 assume 0 != ~systemActive~0; 1815#L340 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 1990#L297-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 1984#L254-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1535#L204 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1536#L1048 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1866#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 1430#L163-1 [2019-12-07 12:04:53,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:04:53,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2019-12-07 12:04:53,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:04:53,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100898338] [2019-12-07 12:04:53,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:04:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,171 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:04:53,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:04:53,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1493625367, now seen corresponding path program 1 times [2019-12-07 12:04:53,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:04:53,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801713554] [2019-12-07 12:04:53,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:04:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,195 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:04:53,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:04:53,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1931444257, now seen corresponding path program 1 times [2019-12-07 12:04:53,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:04:53,196 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446271912] [2019-12-07 12:04:53,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:04:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:04:53,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:05:18,378 WARN L192 SmtUtils]: Spent 25.06 s on a formula simplification. DAG size of input: 514 DAG size of output: 462 [2019-12-07 12:05:31,131 WARN L192 SmtUtils]: Spent 12.73 s on a formula simplification that was a NOOP. DAG size: 411 [2019-12-07 12:05:31,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:05:31 BoogieIcfgContainer [2019-12-07 12:05:31,185 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:05:31,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:05:31,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:05:31,185 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:05:31,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:04:52" (3/4) ... [2019-12-07 12:05:31,188 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 12:05:31,227 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f458b1c1-2078-40fb-9bda-b702cd1788ee/bin/uautomizer/witness.graphml [2019-12-07 12:05:31,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:05:31,228 INFO L168 Benchmark]: Toolchain (without parser) took 40084.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,228 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:05:31,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,229 INFO L168 Benchmark]: Boogie Preprocessor took 83.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,230 INFO L168 Benchmark]: RCFGBuilder took 890.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 148.3 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,230 INFO L168 Benchmark]: BuchiAutomizer took 38655.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 906.6 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,230 INFO L168 Benchmark]: Witness Printer took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:05:31,232 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 890.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 906.6 MB in the end (delta: 148.3 MB). Peak memory consumption was 148.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38655.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 85.5 MB). Free memory was 906.6 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. * Witness Printer took 42.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. 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 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 38.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 38.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s 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: 531]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=9907} State at position 1 is {NULL=0, NULL=9907, NULL=0, NULL=9916, retValue_acc=1, methaneLevelCritical=0, NULL=0, NULL=9913, tmp=0, tmp___1=0, NULL=9910, cleanupTimeShifts=4, NULL=9915, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47b7e65=0, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48f7602b=0, __SELECTED_FEATURE_methaneAlarm=0, NULL=9924, NULL=0, NULL=9921, \result=1, head=0, pumpRunning=0, tmp=1, NULL=9927, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e92a4dd=0, NULL=9908, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e7702fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42f41943=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46d8347c=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66b556e4=0, NULL=9920, tmp=1, NULL=0, NULL=0, retValue_acc=1, __SELECTED_FEATURE_stopCommand=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b2a8021=0, NULL=9919, NULL=9923, head=0, retValue_acc=33, NULL=9926, NULL=9912, NULL=9918, choice=33, NULL=0, \result=33, retValue_acc=0, __SELECTED_FEATURE_base=1, NULL=0, NULL=9914, __GUIDSL_ROOT_PRODUCTION=1, NULL=0, tmp___0=0, NULL=9932, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4180d349=0, NULL=9930, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@159e18d6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12ce04b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61d9f02e=0, NULL=0, NULL=0, systemActive=1, \result=1, __SELECTED_FEATURE_lowWaterSensor=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=9929, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12f17d95=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27ca3ad7=0, NULL=9928, NULL=9917, NULL=0, NULL=9925, NULL=0, __SELECTED_FEATURE_highWaterSensor=0, NULL=0, NULL=0, NULL=9909, __SELECTED_FEATURE_methaneQuery=0, tmp___2=0, splverifierCounter=0, NULL=0, NULL=0, NULL=9922, __SELECTED_FEATURE_startCommand=33, NULL=9911, NULL=0, NULL=0, NULL=0, NULL=9931} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L145] int __SELECTED_FEATURE_base ; [L146] int __SELECTED_FEATURE_highWaterSensor ; [L147] int __SELECTED_FEATURE_lowWaterSensor ; [L148] int __SELECTED_FEATURE_methaneQuery ; [L149] int __SELECTED_FEATURE_methaneAlarm ; [L150] int __SELECTED_FEATURE_stopCommand ; [L151] int __SELECTED_FEATURE_startCommand ; [L152] int __GUIDSL_ROOT_PRODUCTION ; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L973] int waterLevel = 1; [L974] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L1107] __GUIDSL_ROOT_PRODUCTION = 1 [L1092] __SELECTED_FEATURE_base = 1 [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1093] __SELECTED_FEATURE_highWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1094] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1095] __SELECTED_FEATURE_methaneQuery = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1096] __SELECTED_FEATURE_methaneAlarm = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1097] __SELECTED_FEATURE_stopCommand = select_one() [L1078] int retValue_acc ; [L1079] int choice = __VERIFIER_nondet_int(); [L1082] retValue_acc = choice [L1083] return (retValue_acc); [L1098] __SELECTED_FEATURE_startCommand = select_one() [L1112] int retValue_acc ; [L1115] retValue_acc = __SELECTED_FEATURE_base [L1116] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L522] int splverifierCounter ; [L523] int tmp ; [L524] int tmp___0 ; [L525] int tmp___1 ; [L526] int tmp___2 ; [L529] splverifierCounter = 0 Loop: [L531] COND TRUE 1 [L533] COND TRUE splverifierCounter < 4 [L539] tmp = __VERIFIER_nondet_int() [L541] COND FALSE !(\read(tmp)) [L549] tmp___0 = __VERIFIER_nondet_int() [L551] COND FALSE !(\read(tmp___0)) [L559] tmp___2 = __VERIFIER_nondet_int() [L561] COND FALSE !(\read(tmp___2)) [L571] tmp___1 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___1)) [L197] COND FALSE !(\read(pumpRunning)) [L204] COND TRUE \read(systemActive) [L340] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L297] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L254] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L156] int tmp ; [L157] int tmp___0 ; [L1044] int retValue_acc ; [L1047] retValue_acc = waterLevel [L1048] return (retValue_acc); [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...