./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:38:31,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:38:31,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:38:31,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:38:31,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:38:31,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:38:31,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:38:31,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:38:31,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:38:31,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:38:31,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:38:31,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:38:31,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:38:31,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:38:31,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:38:31,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:38:31,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:38:31,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:38:31,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:38:31,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:38:31,273 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:38:31,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:38:31,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:38:31,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:38:31,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:38:31,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:38:31,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:38:31,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:38:31,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:38:31,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:38:31,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:38:31,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:38:31,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:38:31,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:38:31,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:38:31,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:38:31,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:38:31,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:38:31,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:38:31,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:38:31,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:38:31,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:38:31,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:38:31,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:38:31,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:38:31,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:38:31,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:38:31,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:38:31,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:38:31,323 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:38:31,323 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:38:31,323 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:38:31,323 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:38:31,324 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:38:31,334 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:38:31,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:38:31,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:38:31,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:38:31,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:38:31,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:38:31,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:38:31,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:38:31,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:38:31,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:38:31,339 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:38:31,340 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2022-07-22 02:38:31,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:38:31,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:38:31,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:38:31,632 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:38:31,633 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:38:31,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-07-22 02:38:31,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea4b1f95/1cbc53c0ce8d44b2b5d15df5914f03a3/FLAG921375565 [2022-07-22 02:38:32,106 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:38:32,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-07-22 02:38:32,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea4b1f95/1cbc53c0ce8d44b2b5d15df5914f03a3/FLAG921375565 [2022-07-22 02:38:32,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aea4b1f95/1cbc53c0ce8d44b2b5d15df5914f03a3 [2022-07-22 02:38:32,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:38:32,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:38:32,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:32,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:38:32,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:38:32,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514c79da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32, skipping insertion in model container [2022-07-22 02:38:32,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:38:32,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:38:32,317 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_spec4_product11.cil.c[1605,1618] [2022-07-22 02:38:32,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:32,469 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:38:32,477 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_spec4_product11.cil.c[1605,1618] [2022-07-22 02:38:32,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:32,532 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:38:32,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32 WrapperNode [2022-07-22 02:38:32,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:32,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:32,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:38:32,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:38:32,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,577 INFO L137 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 45, calls inlined = 34, statements flattened = 285 [2022-07-22 02:38:32,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:32,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:38:32,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:38:32,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:38:32,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:38:32,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:38:32,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:38:32,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:38:32,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (1/1) ... [2022-07-22 02:38:32,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:38:32,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:38:32,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:38:32,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:38:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:38:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:38:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:38:32,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:38:32,744 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:38:32,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:38:33,006 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:38:33,010 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:38:33,011 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:38:33,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:33 BoogieIcfgContainer [2022-07-22 02:38:33,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:38:33,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:38:33,013 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:38:33,015 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:38:33,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:33,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:38:32" (1/3) ... [2022-07-22 02:38:33,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47d149d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:33, skipping insertion in model container [2022-07-22 02:38:33,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:33,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:32" (2/3) ... [2022-07-22 02:38:33,032 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47d149d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:33, skipping insertion in model container [2022-07-22 02:38:33,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:33,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:33" (3/3) ... [2022-07-22 02:38:33,033 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2022-07-22 02:38:33,079 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:38:33,079 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:38:33,079 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:38:33,079 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:38:33,079 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:38:33,080 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:38:33,080 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:38:33,080 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:38:33,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:38:33,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-07-22 02:38:33,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:33,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:33,110 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,111 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,111 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:38:33,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:38:33,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-07-22 02:38:33,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:33,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:33,116 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,116 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,125 INFO L752 eck$LassoCheckResult]: Stem: 56#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 48#L873true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 18#L866true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 42#L881true main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 34#L471true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 45#L445true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L222-2true [2022-07-22 02:38:33,125 INFO L754 eck$LassoCheckResult]: Loop: 22#L222-2true assume !false; 73#L223true assume test_~splverifierCounter~0#1 < 4; 23#L224true test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 75#L232true assume !(0 != test_~tmp~1#1); 25#L232-2true test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 72#L242true assume !(0 != test_~tmp___0~0#1); 57#L242-2true test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 55#L252true assume 0 != test_~tmp___2~0#1; 10#L258-2true assume { :begin_inline_timeShift } true; 76#L76true assume !(0 != ~pumpRunning~0); 59#L76-2true assume !(0 != ~systemActive~0); 77#L83-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 79#L381true __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 35#L288true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 74#L288-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 43#L93true assume { :end_inline_timeShift } true; 22#L222-2true [2022-07-22 02:38:33,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:38:33,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794851269] [2022-07-22 02:38:33,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,253 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:33,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-07-22 02:38:33,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966516439] [2022-07-22 02:38:33,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:33,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-07-22 02:38:33,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899018255] [2022-07-22 02:38:33,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:38:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:38:33,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:38:33,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899018255] [2022-07-22 02:38:33,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899018255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:38:33,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:38:33,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:38:33,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827699110] [2022-07-22 02:38:33,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:38:33,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:38:33,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:38:33,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:38:33,619 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:38:33,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:38:33,705 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-07-22 02:38:33,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 02:38:33,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-07-22 02:38:33,714 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-07-22 02:38:33,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-07-22 02:38:33,718 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-07-22 02:38:33,719 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-07-22 02:38:33,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-07-22 02:38:33,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:38:33,720 INFO L369 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-07-22 02:38:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-07-22 02:38:33,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-07-22 02:38:33,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:38:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-07-22 02:38:33,747 INFO L392 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-07-22 02:38:33,747 INFO L374 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-07-22 02:38:33,747 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:38:33,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-07-22 02:38:33,753 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-07-22 02:38:33,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:33,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:33,767 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,767 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:33,767 INFO L752 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 361#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret25#1, main_~retValue_acc~4#1, main_~tmp~3#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 362#L873 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 330#L866 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 331#L881 main_#t~ret25#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret25#1;havoc main_#t~ret25#1; 351#L471 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 352#L445 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 336#L222-2 [2022-07-22 02:38:33,768 INFO L754 eck$LassoCheckResult]: Loop: 336#L222-2 assume !false; 337#L223 assume test_~splverifierCounter~0#1 < 4; 338#L224 test_~tmp~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 339#L232 assume !(0 != test_~tmp~1#1); 307#L232-2 test_~tmp___0~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 343#L242 assume !(0 != test_~tmp___0~0#1); 340#L242-2 test_~tmp___2~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 364#L252 assume 0 != test_~tmp___2~0#1; 313#L258-2 assume { :begin_inline_timeShift } true; 314#L76 assume !(0 != ~pumpRunning~0); 335#L76-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 366#L100 assume { :end_inline_processEnvironment } true; 369#L83-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret18#1, __utac_acc__Specification4_spec__1_#t~ret19#1, __utac_acc__Specification4_spec__1_~tmp~2#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~2#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 372#L381 __utac_acc__Specification4_spec__1_#t~ret18#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~2#1 := __utac_acc__Specification4_spec__1_#t~ret18#1;havoc __utac_acc__Specification4_spec__1_#t~ret18#1; 353#L288 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2#1); 350#L288-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 360#L93 assume { :end_inline_timeShift } true; 336#L222-2 [2022-07-22 02:38:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:38:33,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097718567] [2022-07-22 02:38:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,825 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:33,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-07-22 02:38:33,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398266855] [2022-07-22 02:38:33,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,832 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,835 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:33,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:33,838 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-07-22 02:38:33,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:33,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938557350] [2022-07-22 02:38:33,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:33,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,856 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:33,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:36,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:38:36 BoogieIcfgContainer [2022-07-22 02:38:36,214 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:38:36,226 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:38:36,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:38:36,226 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:38:36,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:33" (3/4) ... [2022-07-22 02:38:36,228 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:38:36,273 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:38:36,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:38:36,274 INFO L158 Benchmark]: Toolchain (without parser) took 4130.23ms. Allocated memory was 52.4MB in the beginning and 100.7MB in the end (delta: 48.2MB). Free memory was 28.4MB in the beginning and 68.3MB in the end (delta: -40.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,275 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:38:36,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.95ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.2MB in the beginning and 42.7MB in the end (delta: -14.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.35ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,276 INFO L158 Benchmark]: Boogie Preprocessor took 24.67ms. Allocated memory is still 67.1MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,279 INFO L158 Benchmark]: RCFGBuilder took 408.84ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 37.7MB in the end (delta: 939.3kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,279 INFO L158 Benchmark]: BuchiAutomizer took 3201.24ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 37.7MB in the beginning and 70.4MB in the end (delta: -32.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,280 INFO L158 Benchmark]: Witness Printer took 48.06ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:36,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 52.4MB. Free memory was 34.1MB in the beginning and 34.0MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.95ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.2MB in the beginning and 42.7MB in the end (delta: -14.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.35ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 40.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.67ms. Allocated memory is still 67.1MB. Free memory was 40.2MB in the beginning and 38.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 408.84ms. Allocated memory is still 67.1MB. Free memory was 38.6MB in the beginning and 37.7MB in the end (delta: 939.3kB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3201.24ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 37.7MB in the beginning and 70.4MB in the end (delta: -32.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Witness Printer took 48.06ms. Allocated memory is still 100.7MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 222]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a554fe6=0, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d6c7ae2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75d783e8=29, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e2035fc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19d4c980=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bbd722d=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@199cd459=0, tmp___2=29, tmp=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, retValue_acc=1, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 222]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L68] int pumpRunning = 0; [L69] int systemActive = 1; [L306] int waterLevel = 1; [L307] int methaneLevelCritical = 0; [L386] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L467] FCALL select_helpers() [L468] FCALL select_features() [L469] CALL, EXPR valid_product() [L877] int retValue_acc ; [L880] retValue_acc = 1 [L881] return (retValue_acc); [L469] RET, EXPR valid_product() [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L473] FCALL setup() [L474] CALL runTest() [L453] CALL test() [L213] int splverifierCounter ; [L214] int tmp ; [L215] int tmp___0 ; [L216] int tmp___1 ; [L217] int tmp___2 ; [L220] splverifierCounter = 0 Loop: [L222] COND TRUE 1 [L224] COND TRUE splverifierCounter < 4 [L230] tmp = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp)) [L240] tmp___0 = __VERIFIER_nondet_int() [L242] COND FALSE !(\read(tmp___0)) [L250] tmp___2 = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp___2) [L267] CALL timeShift() [L76] COND FALSE !(\read(pumpRunning)) [L83] COND TRUE \read(systemActive) [L85] FCALL processEnvironment() [L91] CALL __utac_acc__Specification4_spec__1() [L281] int tmp ; [L282] int tmp___0 ; [L286] CALL, EXPR getWaterLevel() [L377] int retValue_acc ; [L380] retValue_acc = waterLevel [L381] return (retValue_acc); [L286] RET, EXPR getWaterLevel() [L286] tmp = getWaterLevel() [L288] COND FALSE !(tmp == 0) [L91] RET __utac_acc__Specification4_spec__1() [L267] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:38:36,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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(TERM)