./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:24:51,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:24:51,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:24:51,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:24:51,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:24:51,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:24:51,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:24:51,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:24:51,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:24:51,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:24:51,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:24:51,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:24:51,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:24:51,931 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:24:51,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:24:51,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:24:51,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:24:51,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:24:51,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:24:51,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:24:51,939 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:24:51,940 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:24:51,940 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:24:51,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:24:51,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:24:51,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:24:51,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:24:51,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:24:51,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:24:51,947 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:24:51,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:24:51,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:24:51,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:24:51,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:24:51,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:24:51,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:24:51,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:24:51,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:24:51,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:24:51,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:24:51,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:24:51,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:24:51,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:24:51,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:24:51,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:24:51,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:24:51,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:24:51,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:24:51,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:24:51,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:24:51,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:24:51,977 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:24:51,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:24:51,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:24:51,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:24:51,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:24:51,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:24:51,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:24:51,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:24:51,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:24:51,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:24:51,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:24:51,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:24:51,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:24:51,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:24:51,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:24:51,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:24:51,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:51,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:24:51,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:24:51,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:24:51,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:24:51,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:24:51,989 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:24:51,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:24:51,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:24:51,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a14cd82fb4a7a8631dbac962b884aa1ac25841cd2c28c7e6e05438cc00132d3 [2022-07-19 17:24:52,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:24:52,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:24:52,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:24:52,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:24:52,278 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:24:52,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2022-07-19 17:24:52,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fcb44f0/b86a44ddcef3499a97669cbf791c703e/FLAGaaa8adf50 [2022-07-19 17:24:52,759 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:24:52,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c [2022-07-19 17:24:52,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fcb44f0/b86a44ddcef3499a97669cbf791c703e/FLAGaaa8adf50 [2022-07-19 17:24:52,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6fcb44f0/b86a44ddcef3499a97669cbf791c703e [2022-07-19 17:24:52,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:24:52,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:24:52,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:52,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:24:52,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:24:52,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:52" (1/1) ... [2022-07-19 17:24:52,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f023a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:52, skipping insertion in model container [2022-07-19 17:24:52,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:24:52" (1/1) ... [2022-07-19 17:24:52,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:24:52,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:24:53,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2022-07-19 17:24:53,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:53,060 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:24:53,156 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_productSimulator.cil.c[20029,20042] [2022-07-19 17:24:53,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:24:53,186 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:24:53,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53 WrapperNode [2022-07-19 17:24:53,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:24:53,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:53,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:24:53,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:24:53,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,265 INFO L137 Inliner]: procedures = 63, calls = 178, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 342 [2022-07-19 17:24:53,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:24:53,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:24:53,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:24:53,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:24:53,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:24:53,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:24:53,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:24:53,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:24:53,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (1/1) ... [2022-07-19 17:24:53,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:24:53,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:24:53,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:24:53,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:24:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:24:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2022-07-19 17:24:53,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2022-07-19 17:24:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:24:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:24:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:24:53,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:24:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:24:53,369 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:24:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2022-07-19 17:24:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2022-07-19 17:24:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:24:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:24:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2022-07-19 17:24:53,370 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2022-07-19 17:24:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2022-07-19 17:24:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2022-07-19 17:24:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:24:53,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:24:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:24:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:24:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:24:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2022-07-19 17:24:53,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2022-07-19 17:24:53,372 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:24:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:24:53,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:24:53,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:24:53,443 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:24:53,446 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:24:53,761 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:24:53,769 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:24:53,769 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:24:53,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:53 BoogieIcfgContainer [2022-07-19 17:24:53,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:24:53,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:24:53,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:24:53,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:24:53,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:24:52" (1/3) ... [2022-07-19 17:24:53,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211e699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:53, skipping insertion in model container [2022-07-19 17:24:53,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:24:53" (2/3) ... [2022-07-19 17:24:53,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@211e699e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:24:53, skipping insertion in model container [2022-07-19 17:24:53,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:53" (3/3) ... [2022-07-19 17:24:53,786 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_productSimulator.cil.c [2022-07-19 17:24:53,801 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:24:53,801 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:24:53,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:24:53,853 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7cd5ebf4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@749fe85 [2022-07-19 17:24:53,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:24:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 117 states have internal predecessors, (138), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) [2022-07-19 17:24:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-19 17:24:53,909 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:53,912 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:53,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1161516863, now seen corresponding path program 1 times [2022-07-19 17:24:53,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:53,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314443939] [2022-07-19 17:24:53,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:24:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:24:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:24:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 17:24:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-19 17:24:54,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:54,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314443939] [2022-07-19 17:24:54,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314443939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:54,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:54,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:24:54,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828147679] [2022-07-19 17:24:54,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:54,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:24:54,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:54,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:24:54,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:54,283 INFO L87 Difference]: Start difference. First operand has 145 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 117 states have internal predecessors, (138), 30 states have call successors, (30), 12 states have call predecessors, (30), 12 states have return successors, (30), 25 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:54,336 INFO L93 Difference]: Finished difference Result 267 states and 371 transitions. [2022-07-19 17:24:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:24:54,339 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2022-07-19 17:24:54,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:54,350 INFO L225 Difference]: With dead ends: 267 [2022-07-19 17:24:54,350 INFO L226 Difference]: Without dead ends: 136 [2022-07-19 17:24:54,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:24:54,359 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:54,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:54,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-07-19 17:24:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2022-07-19 17:24:54,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.3191489361702127) internal successors, (124), 109 states have internal predecessors, (124), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (29), 24 states have call predecessors, (29), 29 states have call successors, (29) [2022-07-19 17:24:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 183 transitions. [2022-07-19 17:24:54,411 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 183 transitions. Word has length 55 [2022-07-19 17:24:54,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:54,412 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 183 transitions. [2022-07-19 17:24:54,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 183 transitions. [2022-07-19 17:24:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-19 17:24:54,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:54,416 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:54,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:24:54,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:54,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:54,417 INFO L85 PathProgramCache]: Analyzing trace with hash 765638641, now seen corresponding path program 1 times [2022-07-19 17:24:54,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:54,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390847725] [2022-07-19 17:24:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:54,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:24:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:24:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:24:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 17:24:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-19 17:24:54,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:54,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390847725] [2022-07-19 17:24:54,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390847725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:54,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:54,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:24:54,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521908479] [2022-07-19 17:24:54,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:54,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:54,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:54,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:54,544 INFO L87 Difference]: Start difference. First operand 136 states and 183 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:54,566 INFO L93 Difference]: Finished difference Result 216 states and 291 transitions. [2022-07-19 17:24:54,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:54,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2022-07-19 17:24:54,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:54,575 INFO L225 Difference]: With dead ends: 216 [2022-07-19 17:24:54,575 INFO L226 Difference]: Without dead ends: 127 [2022-07-19 17:24:54,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:54,577 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:54,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 314 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:54,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-07-19 17:24:54,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-07-19 17:24:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 103 states have internal predecessors, (117), 27 states have call successors, (27), 11 states have call predecessors, (27), 11 states have return successors, (27), 22 states have call predecessors, (27), 27 states have call successors, (27) [2022-07-19 17:24:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 171 transitions. [2022-07-19 17:24:54,592 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 171 transitions. Word has length 56 [2022-07-19 17:24:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:54,592 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 171 transitions. [2022-07-19 17:24:54,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 171 transitions. [2022-07-19 17:24:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-19 17:24:54,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:54,596 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:54,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:24:54,597 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:54,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:54,597 INFO L85 PathProgramCache]: Analyzing trace with hash -645766224, now seen corresponding path program 1 times [2022-07-19 17:24:54,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:54,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210505981] [2022-07-19 17:24:54,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:54,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:24:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:24:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:24:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 17:24:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-19 17:24:54,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:54,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210505981] [2022-07-19 17:24:54,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210505981] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:54,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:54,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:24:54,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504389365] [2022-07-19 17:24:54,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:54,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:54,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:54,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:54,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:54,695 INFO L87 Difference]: Start difference. First operand 127 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:54,732 INFO L93 Difference]: Finished difference Result 335 states and 458 transitions. [2022-07-19 17:24:54,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:54,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2022-07-19 17:24:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:54,735 INFO L225 Difference]: With dead ends: 335 [2022-07-19 17:24:54,735 INFO L226 Difference]: Without dead ends: 230 [2022-07-19 17:24:54,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:54,737 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 137 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:54,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 350 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2022-07-19 17:24:54,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2022-07-19 17:24:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 157 states have (on average 1.3630573248407643) internal successors, (214), 186 states have internal predecessors, (214), 48 states have call successors, (48), 21 states have call predecessors, (48), 21 states have return successors, (48), 37 states have call predecessors, (48), 48 states have call successors, (48) [2022-07-19 17:24:54,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 310 transitions. [2022-07-19 17:24:54,767 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 310 transitions. Word has length 61 [2022-07-19 17:24:54,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:54,768 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 310 transitions. [2022-07-19 17:24:54,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 310 transitions. [2022-07-19 17:24:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-19 17:24:54,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:54,771 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:54,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:24:54,772 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:54,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1376588474, now seen corresponding path program 1 times [2022-07-19 17:24:54,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:54,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601648724] [2022-07-19 17:24:54,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:24:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:24:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:24:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-19 17:24:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:54,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-19 17:24:54,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:54,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601648724] [2022-07-19 17:24:54,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601648724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:54,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:54,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:24:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954434885] [2022-07-19 17:24:54,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:54,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:24:54,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:54,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:24:54,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:24:54,932 INFO L87 Difference]: Start difference. First operand 227 states and 310 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 17:24:55,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:55,009 INFO L93 Difference]: Finished difference Result 631 states and 889 transitions. [2022-07-19 17:24:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:24:55,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65 [2022-07-19 17:24:55,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:55,014 INFO L225 Difference]: With dead ends: 631 [2022-07-19 17:24:55,014 INFO L226 Difference]: Without dead ends: 426 [2022-07-19 17:24:55,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:24:55,017 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 127 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:55,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 697 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-07-19 17:24:55,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 420. [2022-07-19 17:24:55,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 290 states have (on average 1.3586206896551725) internal successors, (394), 345 states have internal predecessors, (394), 90 states have call successors, (90), 41 states have call predecessors, (90), 39 states have return successors, (92), 66 states have call predecessors, (92), 90 states have call successors, (92) [2022-07-19 17:24:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 576 transitions. [2022-07-19 17:24:55,085 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 576 transitions. Word has length 65 [2022-07-19 17:24:55,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:55,086 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 576 transitions. [2022-07-19 17:24:55,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-07-19 17:24:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 576 transitions. [2022-07-19 17:24:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-07-19 17:24:55,096 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:55,096 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:55,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:24:55,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:55,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:55,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1723303743, now seen corresponding path program 1 times [2022-07-19 17:24:55,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:55,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773552086] [2022-07-19 17:24:55,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:55,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:24:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:24:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-19 17:24:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-19 17:24:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-19 17:24:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:24:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 17:24:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:24:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-19 17:24:55,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:24:55,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773552086] [2022-07-19 17:24:55,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773552086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:24:55,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:24:55,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:24:55,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756108177] [2022-07-19 17:24:55,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:24:55,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:24:55,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:24:55,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:24:55,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:55,174 INFO L87 Difference]: Start difference. First operand 420 states and 576 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:55,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:24:55,221 INFO L93 Difference]: Finished difference Result 1006 states and 1417 transitions. [2022-07-19 17:24:55,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:24:55,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2022-07-19 17:24:55,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:24:55,226 INFO L225 Difference]: With dead ends: 1006 [2022-07-19 17:24:55,226 INFO L226 Difference]: Without dead ends: 608 [2022-07-19 17:24:55,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:24:55,229 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 109 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:24:55,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 288 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:24:55,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-07-19 17:24:55,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 599. [2022-07-19 17:24:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 433 states have (on average 1.3140877598152425) internal successors, (569), 481 states have internal predecessors, (569), 101 states have call successors, (101), 64 states have call predecessors, (101), 64 states have return successors, (137), 100 states have call predecessors, (137), 101 states have call successors, (137) [2022-07-19 17:24:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 807 transitions. [2022-07-19 17:24:55,286 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 807 transitions. Word has length 67 [2022-07-19 17:24:55,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:24:55,286 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 807 transitions. [2022-07-19 17:24:55,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-19 17:24:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 807 transitions. [2022-07-19 17:24:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-07-19 17:24:55,289 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:24:55,289 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:24:55,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:24:55,289 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:24:55,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:24:55,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2143180500, now seen corresponding path program 1 times [2022-07-19 17:24:55,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:24:55,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493438596] [2022-07-19 17:24:55,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:24:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:24:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 17:24:55,331 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 17:24:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 17:24:55,399 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 17:24:55,400 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 17:24:55,401 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:24:55,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:24:55,407 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-07-19 17:24:55,410 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:24:55,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:24:55 BoogieIcfgContainer [2022-07-19 17:24:55,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:24:55,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:24:55,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:24:55,503 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:24:55,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:24:53" (3/4) ... [2022-07-19 17:24:55,505 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 17:24:55,577 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:24:55,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:24:55,578 INFO L158 Benchmark]: Toolchain (without parser) took 2780.54ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.1MB in the beginning and 67.3MB in the end (delta: -11.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,578 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:24:55,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.75ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 70.3MB in the end (delta: -14.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.81ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,581 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,581 INFO L158 Benchmark]: RCFGBuilder took 484.17ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 45.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,582 INFO L158 Benchmark]: TraceAbstraction took 1721.89ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 74.6MB in the end (delta: -29.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,582 INFO L158 Benchmark]: Witness Printer took 74.56ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 67.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:24:55,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.75ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 70.3MB in the end (delta: -14.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.81ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 67.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 94.4MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 484.17ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 45.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1721.89ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 45.2MB in the beginning and 74.6MB in the end (delta: -29.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Witness Printer took 74.56ms. Allocated memory is still 113.2MB. Free memory was 74.6MB in the beginning and 67.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1032]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int cleanupTimeShifts = 4; [L520] int __SELECTED_FEATURE_base ; [L521] int __SELECTED_FEATURE_highWaterSensor ; [L522] int __SELECTED_FEATURE_lowWaterSensor ; [L523] int __SELECTED_FEATURE_methaneQuery ; [L524] int __SELECTED_FEATURE_methaneAlarm ; [L525] int __SELECTED_FEATURE_stopCommand ; [L526] int __SELECTED_FEATURE_startCommand ; [L527] int __GUIDSL_ROOT_PRODUCTION ; [L615] int pumpRunning = 0; [L616] int systemActive = 1; [L1037] int waterLevel = 1; [L1038] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L497] int retValue_acc ; [L498] int tmp ; [L502] CALL select_helpers() [L978] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L502] RET select_helpers() [L503] CALL select_features() [L963] __SELECTED_FEATURE_base = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L964] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L964] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L964] __SELECTED_FEATURE_highWaterSensor = select_one() [L965] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L965] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L965] __SELECTED_FEATURE_lowWaterSensor = select_one() [L966] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L966] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L966] __SELECTED_FEATURE_methaneQuery = select_one() [L967] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L967] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L967] __SELECTED_FEATURE_methaneAlarm = select_one() [L968] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=29, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, choice=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=29, systemActive=1, waterLevel=1] [L968] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=29, systemActive=1, waterLevel=1] [L968] __SELECTED_FEATURE_stopCommand = select_one() [L969] CALL, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L949] int retValue_acc ; [L950] int choice = __VERIFIER_nondet_int(); [L953] retValue_acc = choice [L954] return (retValue_acc); VAL [\result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, choice=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=1] [L969] RET, EXPR select_one() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, select_one()=0, systemActive=1, waterLevel=1] [L969] __SELECTED_FEATURE_startCommand = select_one() [L503] RET select_features() [L504] CALL, EXPR valid_product() [L983] int retValue_acc ; [L986] retValue_acc = __SELECTED_FEATURE_base [L987] return (retValue_acc); VAL [\result=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L504] RET, EXPR valid_product() [L504] tmp = valid_product() [L506] COND TRUE \read(tmp) [L508] FCALL setup() [L509] CALL runTest() [L488] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L540] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L542] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L548] tmp = __VERIFIER_nondet_int() [L550] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L552] CALL waterRise() VAL [\old(waterLevel)=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1055] COND TRUE waterLevel < 2 [L1056] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L552] RET waterRise() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___2)) [L580] tmp___1 = __VERIFIER_nondet_int() [L582] COND TRUE \read(tmp___1) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L583] COND TRUE \read(__SELECTED_FEATURE_stopCommand) [L585] CALL stopSystem() [L927] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L934] systemActive = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L585] RET stopSystem() [L595] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L623] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L630] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L638] CALL __utac_acc__Specification3_spec__1() [L995] int tmp ; [L996] int tmp___0 ; [L997] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1076] int retValue_acc ; [L1079] retValue_acc = methaneLevelCritical [L1080] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1001] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1001] tmp = isMethaneLevelCritical() [L1003] COND FALSE !(\read(tmp)) [L1007] CALL, EXPR getWaterLevel() [L1108] int retValue_acc ; [L1111] retValue_acc = waterLevel [L1112] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L1007] RET, EXPR getWaterLevel() [L1007] tmp___0 = getWaterLevel() [L1009] COND TRUE tmp___0 == 2 [L1011] CALL, EXPR isPumpRunning() [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L1011] RET, EXPR isPumpRunning() [L1011] tmp___1 = isPumpRunning() [L1013] COND FALSE !(\read(tmp___1)) [L1017] CALL __automaton_fail() [L1032] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, __GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=29, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 398 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 394 mSDsluCounter, 1841 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 898 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 943 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=599occurred in iteration=5, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 225/225 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-07-19 17:24:55,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE