./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 10:33:32,967 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:32,968 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:32,976 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:32,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:32,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:32,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:32,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:32,979 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:32,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:32,980 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:32,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:32,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:32,981 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:32,981 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:32,982 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:32,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:32,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:32,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:32,986 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:32,987 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:32,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:32,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:32,989 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:32,989 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:32,990 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:32,990 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:32,991 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:32,992 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:32,992 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:32,993 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:32,993 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:32,993 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:32,994 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:32,994 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:32,995 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:32,995 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 10:33:33,002 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:33,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:33,004 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:33,004 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:33,004 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:33,004 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 10:33:33,004 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 10:33:33,004 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 10:33:33,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 10:33:33,005 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 10:33:33,006 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 10:33:33,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:33,007 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 10:33:33,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:33,008 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:33,008 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 10:33:33,009 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 10:33:33,009 INFO L133 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/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-11-28 10:33:33,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:33,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:33,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:33,046 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:33,046 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:33,047 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:33,086 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/data/1ad13e126/0d66759ede754c36b2e0423780c2a9e2/FLAG350b0cf4f [2018-11-28 10:33:33,518 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:33,518 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:33,524 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/data/1ad13e126/0d66759ede754c36b2e0423780c2a9e2/FLAG350b0cf4f [2018-11-28 10:33:33,533 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/data/1ad13e126/0d66759ede754c36b2e0423780c2a9e2 [2018-11-28 10:33:33,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:33,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:33,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:33,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:33,539 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:33,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33, skipping insertion in model container [2018-11-28 10:33:33,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:33,574 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:33,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:33,833 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:33,896 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:33,919 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:33,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33 WrapperNode [2018-11-28 10:33:33,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:33,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:33,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:33,921 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:33,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:33,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:33,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:33,977 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:33,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:33,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:34,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:34,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... [2018-11-28 10:33:34,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:34,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:34,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:34,010 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:34,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/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 [2018-11-28 10:33:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:33:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:33:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:34,566 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:34,566 INFO L280 CfgBuilder]: Removed 172 assue(true) statements. [2018-11-28 10:33:34,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:34 BoogieIcfgContainer [2018-11-28 10:33:34,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:34,567 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 10:33:34,567 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 10:33:34,570 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 10:33:34,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:34,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 10:33:33" (1/3) ... [2018-11-28 10:33:34,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f774ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:34, skipping insertion in model container [2018-11-28 10:33:34,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:34,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:33" (2/3) ... [2018-11-28 10:33:34,573 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f774ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 10:33:34, skipping insertion in model container [2018-11-28 10:33:34,573 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 10:33:34,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:34" (3/3) ... [2018-11-28 10:33:34,574 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-28 10:33:34,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:34,610 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 10:33:34,610 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 10:33:34,610 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 10:33:34,610 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:34,611 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:34,611 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 10:33:34,611 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:34,611 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 10:33:34,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states. [2018-11-28 10:33:34,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-28 10:33:34,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:34,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:34,651 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,651 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,651 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 10:33:34,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states. [2018-11-28 10:33:34,656 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2018-11-28 10:33:34,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:34,657 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:34,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,658 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,661 INFO L794 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 59#L884true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 89#L892true main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 85#L980true assume 0 != main_~tmp~9; 47#L956true ~switchedOnBeforeTS~0 := 0; 30#L816true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L837-1true [2018-11-28 10:33:34,662 INFO L796 eck$LassoCheckResult]: Loop: 71#L837-1true assume !false; 55#L284true assume test_~splverifierCounter~0 < 4; 5#L285true test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 15#L293true assume !(0 != test_~tmp~4); 33#L293-1true test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 72#L303true assume !(0 != test_~tmp___0~2); 94#L303-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 120#L313true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 9#L321-2true havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 27#L183true __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 97#L826true assume !(0 != ~pumpRunning~0); 58#L72true assume !(0 != ~systemActive~0); 119#L79true havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 81#L416true __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 96#L837true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 71#L837-1true [2018-11-28 10:33:34,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 10:33:34,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:34,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1013192653, now seen corresponding path program 1 times [2018-11-28 10:33:34,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:34,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:34,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:34,888 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:33:34,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:34,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:34,899 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 3 states. [2018-11-28 10:33:34,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,941 INFO L93 Difference]: Finished difference Result 123 states and 176 transitions. [2018-11-28 10:33:34,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:34,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 123 states and 176 transitions. [2018-11-28 10:33:34,947 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-28 10:33:34,951 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 123 states to 116 states and 168 transitions. [2018-11-28 10:33:34,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2018-11-28 10:33:34,953 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2018-11-28 10:33:34,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 168 transitions. [2018-11-28 10:33:34,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:33:34,955 INFO L705 BuchiCegarLoop]: Abstraction has 116 states and 168 transitions. [2018-11-28 10:33:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 168 transitions. [2018-11-28 10:33:34,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-28 10:33:34,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-28 10:33:34,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 168 transitions. [2018-11-28 10:33:34,980 INFO L728 BuchiCegarLoop]: Abstraction has 116 states and 168 transitions. [2018-11-28 10:33:34,980 INFO L608 BuchiCegarLoop]: Abstraction has 116 states and 168 transitions. [2018-11-28 10:33:34,980 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 10:33:34,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 168 transitions. [2018-11-28 10:33:34,982 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-28 10:33:34,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:34,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:34,982 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,983 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:34,983 INFO L794 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 268#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 269#L884 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 335#L892 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 356#L980 assume 0 != main_~tmp~9; 321#L956 ~switchedOnBeforeTS~0 := 0; 301#L816 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 272#L837-1 [2018-11-28 10:33:34,983 INFO L796 eck$LassoCheckResult]: Loop: 272#L837-1 assume !false; 329#L284 assume test_~splverifierCounter~0 < 4; 259#L285 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 260#L293 assume !(0 != test_~tmp~4); 280#L293-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 305#L303 assume !(0 != test_~tmp___0~2); 344#L303-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 364#L313 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 256#L321-2 havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 265#L183 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 297#L826 assume !(0 != ~pumpRunning~0); 333#L72 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 334#L130 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 342#L104-1 assume !(0 == ~pumpRunning~0); 339#L79 havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 353#L416 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 354#L837 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 272#L837-1 [2018-11-28 10:33:34,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 10:33:34,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,041 INFO L82 PathProgramCache]: Analyzing trace with hash 374839307, now seen corresponding path program 1 times [2018-11-28 10:33:35,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,042 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:33:35,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:35,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:35,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:35,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:35,055 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:33:35,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:35,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:35,056 INFO L87 Difference]: Start difference. First operand 116 states and 168 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-28 10:33:35,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:35,174 INFO L93 Difference]: Finished difference Result 165 states and 227 transitions. [2018-11-28 10:33:35,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:35,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 227 transitions. [2018-11-28 10:33:35,176 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-28 10:33:35,178 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 165 states and 227 transitions. [2018-11-28 10:33:35,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 165 [2018-11-28 10:33:35,179 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 165 [2018-11-28 10:33:35,179 INFO L73 IsDeterministic]: Start isDeterministic. Operand 165 states and 227 transitions. [2018-11-28 10:33:35,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:33:35,180 INFO L705 BuchiCegarLoop]: Abstraction has 165 states and 227 transitions. [2018-11-28 10:33:35,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states and 227 transitions. [2018-11-28 10:33:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-28 10:33:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-28 10:33:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 227 transitions. [2018-11-28 10:33:35,187 INFO L728 BuchiCegarLoop]: Abstraction has 165 states and 227 transitions. [2018-11-28 10:33:35,187 INFO L608 BuchiCegarLoop]: Abstraction has 165 states and 227 transitions. [2018-11-28 10:33:35,187 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 10:33:35,187 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 165 states and 227 transitions. [2018-11-28 10:33:35,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-28 10:33:35,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:35,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:35,190 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,190 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,190 INFO L794 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 555#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 556#L884 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 625#L892 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 651#L980 assume 0 != main_~tmp~9; 610#L956 ~switchedOnBeforeTS~0 := 0; 588#L816 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 559#L837-1 [2018-11-28 10:33:35,190 INFO L796 eck$LassoCheckResult]: Loop: 559#L837-1 assume !false; 618#L284 assume test_~splverifierCounter~0 < 4; 546#L285 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 547#L293 assume !(0 != test_~tmp~4); 567#L293-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 592#L303 assume !(0 != test_~tmp___0~2); 636#L303-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 660#L313 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 545#L321-2 havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 552#L183 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 584#L826 assume !(0 != ~pumpRunning~0); 623#L72 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 624#L130 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 634#L104-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 654#L424-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 655#L429-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 593#L232-3 assume !(0 != isHighWaterLevel_~tmp~2);isHighWaterLevel_~tmp___0~0 := 1; 594#L232-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 586#L238-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 587#L108-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 630#L79 havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 646#L416 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 647#L837 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 559#L837-1 [2018-11-28 10:33:35,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 10:33:35,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:35,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1760936871, now seen corresponding path program 1 times [2018-11-28 10:33:35,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,247 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:33:35,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:35,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:35,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 10:33:35,278 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:33:35,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 10:33:35,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:33:35,278 INFO L87 Difference]: Start difference. First operand 165 states and 227 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-28 10:33:35,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:35,388 INFO L93 Difference]: Finished difference Result 317 states and 429 transitions. [2018-11-28 10:33:35,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:35,389 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 317 states and 429 transitions. [2018-11-28 10:33:35,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 224 [2018-11-28 10:33:35,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 317 states to 317 states and 429 transitions. [2018-11-28 10:33:35,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 317 [2018-11-28 10:33:35,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2018-11-28 10:33:35,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 429 transitions. [2018-11-28 10:33:35,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:33:35,397 INFO L705 BuchiCegarLoop]: Abstraction has 317 states and 429 transitions. [2018-11-28 10:33:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 429 transitions. [2018-11-28 10:33:35,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 177. [2018-11-28 10:33:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-11-28 10:33:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 239 transitions. [2018-11-28 10:33:35,407 INFO L728 BuchiCegarLoop]: Abstraction has 177 states and 239 transitions. [2018-11-28 10:33:35,407 INFO L608 BuchiCegarLoop]: Abstraction has 177 states and 239 transitions. [2018-11-28 10:33:35,407 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 10:33:35,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 177 states and 239 transitions. [2018-11-28 10:33:35,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-28 10:33:35,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:35,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:35,409 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,409 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,411 INFO L794 eck$LassoCheckResult]: Stem: 1166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 1047#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 1048#L884 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1120#L892 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1148#L980 assume 0 != main_~tmp~9; 1104#L956 ~switchedOnBeforeTS~0 := 0; 1082#L816 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1051#L837-1 [2018-11-28 10:33:35,412 INFO L796 eck$LassoCheckResult]: Loop: 1051#L837-1 assume !false; 1112#L284 assume test_~splverifierCounter~0 < 4; 1038#L285 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1039#L293 assume !(0 != test_~tmp~4); 1060#L293-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 1086#L303 assume !(0 != test_~tmp___0~2); 1131#L303-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1160#L313 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1035#L321-2 havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1044#L183 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 1078#L826 assume !(0 != ~pumpRunning~0); 1118#L72 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1119#L130 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1129#L104-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1152#L424-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1153#L429-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 1087#L232-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1088#L232-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1080#L238-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1081#L108-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1125#L79 havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1143#L416 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 1144#L837 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 1051#L837-1 [2018-11-28 10:33:35,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2018-11-28 10:33:35,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:35,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,450 INFO L82 PathProgramCache]: Analyzing trace with hash 759023063, now seen corresponding path program 1 times [2018-11-28 10:33:35,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,451 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:33:35,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:35,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:35,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 10:33:35,501 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 10:33:35,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 10:33:35,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 10:33:35,502 INFO L87 Difference]: Start difference. First operand 177 states and 239 transitions. cyclomatic complexity: 64 Second operand 5 states. [2018-11-28 10:33:35,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:35,728 INFO L93 Difference]: Finished difference Result 457 states and 605 transitions. [2018-11-28 10:33:35,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:33:35,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 457 states and 605 transitions. [2018-11-28 10:33:35,732 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 295 [2018-11-28 10:33:35,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 457 states to 457 states and 605 transitions. [2018-11-28 10:33:35,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 457 [2018-11-28 10:33:35,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 457 [2018-11-28 10:33:35,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 457 states and 605 transitions. [2018-11-28 10:33:35,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 10:33:35,739 INFO L705 BuchiCegarLoop]: Abstraction has 457 states and 605 transitions. [2018-11-28 10:33:35,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states and 605 transitions. [2018-11-28 10:33:35,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 323. [2018-11-28 10:33:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-28 10:33:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 427 transitions. [2018-11-28 10:33:35,751 INFO L728 BuchiCegarLoop]: Abstraction has 323 states and 427 transitions. [2018-11-28 10:33:35,752 INFO L608 BuchiCegarLoop]: Abstraction has 323 states and 427 transitions. [2018-11-28 10:33:35,752 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-28 10:33:35,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 323 states and 427 transitions. [2018-11-28 10:33:35,755 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2018-11-28 10:33:35,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 10:33:35,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 10:33:35,756 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,756 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:33:35,757 INFO L794 eck$LassoCheckResult]: Stem: 1810#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 1698#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 1699#L884 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1771#L892 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 1798#L980 assume 0 != main_~tmp~9; 1756#L956 ~switchedOnBeforeTS~0 := 0; 1734#L816 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1702#L837-1 [2018-11-28 10:33:35,757 INFO L796 eck$LassoCheckResult]: Loop: 1702#L837-1 assume !false; 1765#L284 assume test_~splverifierCounter~0 < 4; 1688#L285 test_~tmp~4 := test_#t~nondet21;havoc test_#t~nondet21; 1689#L293 assume !(0 != test_~tmp~4); 1711#L293-1 test_~tmp___0~2 := test_#t~nondet22;havoc test_#t~nondet22; 1738#L303 assume !(0 != test_~tmp___0~2); 1782#L303-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1806#L313 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1685#L321-2 havoc __utac_acc__Specification5_spec__2_#t~ret70;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1729#L183 __utac_acc__Specification5_spec__2_#t~ret70 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret70;havoc __utac_acc__Specification5_spec__2_#t~ret70; 1730#L826 assume !(0 != ~pumpRunning~0); 1809#L72 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 1779#L130 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret0, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 1780#L104-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret19, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~2, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~2;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1801#L424-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1802#L429-1 isHighWaterLevel_#t~ret19 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~2 := isHighWaterLevel_#t~ret19;havoc isHighWaterLevel_#t~ret19; 1739#L232-3 assume 0 != isHighWaterLevel_~tmp~2;isHighWaterLevel_~tmp___0~0 := 0; 1740#L232-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1732#L238-1 processEnvironment__wrappee__highWaterSensor_#t~ret0 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret0;havoc processEnvironment__wrappee__highWaterSensor_#t~ret0; 1733#L108-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 1776#L79 havoc __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1792#L416 __utac_acc__Specification5_spec__3_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 1793#L837 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 1725#L183-1 __utac_acc__Specification5_spec__3_#t~ret72 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 1700#L841 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 1702#L837-1 [2018-11-28 10:33:35,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 5 times [2018-11-28 10:33:35,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:35,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,791 INFO L82 PathProgramCache]: Analyzing trace with hash -723288910, now seen corresponding path program 1 times [2018-11-28 10:33:35,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,792 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,792 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 10:33:35,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:35,804 INFO L82 PathProgramCache]: Analyzing trace with hash -786715092, now seen corresponding path program 1 times [2018-11-28 10:33:35,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:35,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:35,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:35,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:35,995 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-11-28 10:33:41,390 WARN L180 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 10:33:43,929 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 10:33:43,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 10:33:43 BoogieIcfgContainer [2018-11-28 10:33:43,975 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 10:33:43,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:33:43,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:33:43,976 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:33:43,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:34" (3/4) ... [2018-11-28 10:33:43,980 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 10:33:44,022 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aeb07ddc-b13e-4f73-a53b-9e626ee37a3a/bin-2019/uautomizer/witness.graphml [2018-11-28 10:33:44,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:33:44,023 INFO L168 Benchmark]: Toolchain (without parser) took 10488.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 307.8 MB). Free memory was 951.7 MB in the beginning and 934.1 MB in the end (delta: 17.6 MB). Peak memory consumption was 325.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,024 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:44,024 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.57 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,025 INFO L168 Benchmark]: Boogie Preprocessor took 33.18 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,025 INFO L168 Benchmark]: RCFGBuilder took 557.11 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: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,025 INFO L168 Benchmark]: BuchiAutomizer took 9407.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 934.1 MB in the end (delta: 120.1 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:44,026 INFO L168 Benchmark]: Witness Printer took 47.10 ms. Allocated memory is still 1.3 GB. Free memory is still 934.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:44,027 INFO L336 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.57 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.18 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: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 557.11 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: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9407.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 165.7 MB). Free memory was 1.1 GB in the beginning and 934.1 MB in the end (delta: 120.1 MB). Peak memory consumption was 362.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.10 ms. Allocated memory is still 1.3 GB. Free memory is still 934.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 323 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 8.6s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 274 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 323 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 771 SDtfs, 1069 SDslu, 872 SDs, 0 SdLazy, 195 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI4 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: 283]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=22, NULL=37, NULL=0, NULL=35, retValue_acc=1, NULL=27, NULL=34, methaneLevelCritical=0, NULL=23, tmp=1, tmp___0=0, NULL=0, tmp=0, retValue_acc=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@451ea6e1=0, NULL=15, cleanupTimeShifts=4, NULL=31, switchedOnBeforeTS=0, NULL=19, \result=0, NULL=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@221cd0d3=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=36, NULL=0, NULL=20, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11, \result=1, retValue_acc=0, NULL=17, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a4a8ef9=0, NULL=8, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d1a9590=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10f94405=0, tmp___0=0, NULL=33, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@516a88d1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c8d9627=56, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cc21d94=0, \result=1, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41488ed2=0, tmp=1, tmp___2=56, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d22a062=0, NULL=12, NULL=16, retValue_acc=1, splverifierCounter=0, NULL=24, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22779b99=0, head=0, retValue_acc=0, NULL=0, NULL=0, tmp=1, NULL=14, NULL=18, NULL=28, NULL=29, NULL=39} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L341] int waterLevel = 1; [L342] int methaneLevelCritical = 0; [L613] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L810] int switchedOnBeforeTS ; [L897] int cleanupTimeShifts = 4; [L971] int retValue_acc ; [L972] int tmp ; [L888] int retValue_acc ; [L891] retValue_acc = 1 [L892] return (retValue_acc); [L978] tmp = valid_product() [L980] COND TRUE \read(tmp) [L815] switchedOnBeforeTS = 0 [L274] int splverifierCounter ; [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L278] int tmp___2 ; [L281] splverifierCounter = 0 Loop: [L283] COND TRUE 1 [L285] COND TRUE splverifierCounter < 4 [L291] tmp = __VERIFIER_nondet_int() [L293] COND FALSE !(\read(tmp)) [L301] tmp___0 = __VERIFIER_nondet_int() [L303] COND FALSE !(\read(tmp___0)) [L311] tmp___2 = __VERIFIER_nondet_int() [L313] COND TRUE \read(tmp___2) [L265] systemActive = 1 [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L824] switchedOnBeforeTS = isPumpRunning() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L101] int tmp ; [L104] COND TRUE ! pumpRunning [L224] int retValue_acc ; [L225] int tmp ; [L226] int tmp___0 ; [L421] int retValue_acc ; [L424] COND TRUE waterLevel < 2 [L425] retValue_acc = 1 [L426] return (retValue_acc); [L230] tmp = isHighWaterSensorDry() [L232] COND TRUE \read(tmp) [L233] tmp___0 = 0 [L237] retValue_acc = tmp___0 [L238] return (retValue_acc); [L106] tmp = isHighWaterLevel() [L108] COND FALSE !(\read(tmp)) [L830] int tmp ; [L831] int tmp___0 ; [L412] int retValue_acc ; [L415] retValue_acc = waterLevel [L416] return (retValue_acc); [L835] tmp = getWaterLevel() [L837] COND TRUE tmp != 2 [L179] int retValue_acc ; [L182] retValue_acc = pumpRunning [L183] return (retValue_acc); [L839] tmp___0 = isPumpRunning() [L841] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...