./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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_spec3_product16.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 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:18:32,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:18:32,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:18:32,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:18:32,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:18:32,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:18:32,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:18:32,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:18:32,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:18:32,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:18:32,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:18:32,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:18:32,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:18:32,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:18:32,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:18:32,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:18:32,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:18:32,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:18:32,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:18:32,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:18:32,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:18:32,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:18:32,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:18:32,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:18:32,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:18:32,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:18:32,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:18:32,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:18:32,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:18:32,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:18:32,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:18:32,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:18:32,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:18:32,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:18:32,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:18:32,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:18:32,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:18:32,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:18:32,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:18:32,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:18:32,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:18:32,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:18:32,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:18:32,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:18:32,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:18:32,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:18:32,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:18:32,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:18:32,511 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:18:32,512 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:18:32,512 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:18:32,512 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:18:32,513 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:18:32,513 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:18:32,513 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:18:32,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:18:32,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:18:32,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:18:32,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:18:32,515 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:18:32,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:18:32,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:18:32,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:18:32,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:18:32,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:18:32,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:18:32,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:18:32,516 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:18:32,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fdaba9a943be1a84417ec0186b85075ad2a6a54eeb9563391984670e62b2cee [2021-12-15 17:18:32,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:18:32,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:18:32,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:18:32,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:18:32,710 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:18:32,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-12-15 17:18:32,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b47f0230/f033c0875e9b48339524a8597a6086eb/FLAG82a42ec6d [2021-12-15 17:18:33,146 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:18:33,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product16.cil.c [2021-12-15 17:18:33,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b47f0230/f033c0875e9b48339524a8597a6086eb/FLAG82a42ec6d [2021-12-15 17:18:33,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b47f0230/f033c0875e9b48339524a8597a6086eb [2021-12-15 17:18:33,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:18:33,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:18:33,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:18:33,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:18:33,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:18:33,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e27067f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33, skipping insertion in model container [2021-12-15 17:18:33,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:18:33,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:18:33,338 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_product16.cil.c[1605,1618] [2021-12-15 17:18:33,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:18:33,469 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:18:33,477 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_spec3_product16.cil.c[1605,1618] [2021-12-15 17:18:33,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:18:33,528 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:18:33,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33 WrapperNode [2021-12-15 17:18:33,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:18:33,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:18:33,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:18:33,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:18:33,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,574 INFO L137 Inliner]: procedures = 53, calls = 154, calls flagged for inlining = 51, calls inlined = 53, statements flattened = 402 [2021-12-15 17:18:33,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:18:33,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:18:33,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:18:33,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:18:33,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:18:33,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:18:33,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:18:33,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:18:33,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (1/1) ... [2021-12-15 17:18:33,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:18:33,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:18:33,656 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) [2021-12-15 17:18:33,657 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 [2021-12-15 17:18:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:18:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:18:33,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:18:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:18:33,739 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:18:33,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:18:33,935 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:18:33,940 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:18:33,941 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:18:33,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:18:33 BoogieIcfgContainer [2021-12-15 17:18:33,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:18:33,943 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:18:33,943 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:18:33,945 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:18:33,946 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:18:33,946 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:18:33" (1/3) ... [2021-12-15 17:18:33,947 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@697c0276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:18:33, skipping insertion in model container [2021-12-15 17:18:33,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:18:33,947 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:18:33" (2/3) ... [2021-12-15 17:18:33,947 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@697c0276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:18:33, skipping insertion in model container [2021-12-15 17:18:33,947 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:18:33,948 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:18:33" (3/3) ... [2021-12-15 17:18:33,948 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product16.cil.c [2021-12-15 17:18:33,987 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:18:33,987 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:18:33,987 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:18:33,988 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:18:33,988 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:18:33,988 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:18:33,988 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:18:33,988 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:18:34,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2021-12-15 17:18:34,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-12-15 17:18:34,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:18:34,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:18:34,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,019 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:18:34,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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) [2021-12-15 17:18:34,024 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-12-15 17:18:34,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:18:34,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:18:34,025 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,025 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,028 INFO L791 eck$LassoCheckResult]: Stem: 98#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 44#L802true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 8#L795true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 7#L810true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 76#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 42#L122true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 17#L541-2true [2021-12-15 17:18:34,029 INFO L793 eck$LassoCheckResult]: Loop: 17#L541-2true assume !false; 9#L542true assume test_~splverifierCounter~0#1 < 4; 41#L543true test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 25#L551true assume !(0 != test_~tmp~4#1); 107#L551-2true test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 58#L561true assume !(0 != test_~tmp___0~0#1); 30#L561-2true test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 100#L571true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 24#L776true assume { :end_inline_startSystem } true; 36#L579-2true assume { :begin_inline_timeShift } true; 29#L614true assume !(0 != ~pumpRunning~0); 32#L614-2true assume !(0 != ~systemActive~0); 79#L621-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 109#L859-1true __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 99#L905true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 89#L911-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 62#L631true assume { :end_inline_timeShift } true; 17#L541-2true [2021-12-15 17:18:34,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:18:34,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-15 17:18:34,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:18:34,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753363724] [2021-12-15 17:18:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:18:34,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:18:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,158 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:18:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:18:34,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:18:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash 134232851, now seen corresponding path program 1 times [2021-12-15 17:18:34,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:18:34,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240795715] [2021-12-15 17:18:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:18:34,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:18:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:18:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:18:34,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:18:34,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240795715] [2021-12-15 17:18:34,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240795715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:18:34,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:18:34,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:18:34,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373287915] [2021-12-15 17:18:34,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:18:34,302 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:18:34,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:18:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:18:34,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:18:34,328 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-12-15 17:18:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:18:34,385 INFO L93 Difference]: Finished difference Result 199 states and 255 transitions. [2021-12-15 17:18:34,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:18:34,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 199 states and 255 transitions. [2021-12-15 17:18:34,397 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2021-12-15 17:18:34,403 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 199 states to 179 states and 234 transitions. [2021-12-15 17:18:34,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-12-15 17:18:34,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2021-12-15 17:18:34,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 234 transitions. [2021-12-15 17:18:34,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:18:34,408 INFO L681 BuchiCegarLoop]: Abstraction has 179 states and 234 transitions. [2021-12-15 17:18:34,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 234 transitions. [2021-12-15 17:18:34,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2021-12-15 17:18:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 176 states have (on average 1.3068181818181819) internal successors, (230), 175 states have internal predecessors, (230), 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) [2021-12-15 17:18:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 230 transitions. [2021-12-15 17:18:34,430 INFO L704 BuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2021-12-15 17:18:34,430 INFO L587 BuchiCegarLoop]: Abstraction has 176 states and 230 transitions. [2021-12-15 17:18:34,430 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:18:34,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 176 states and 230 transitions. [2021-12-15 17:18:34,432 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 125 [2021-12-15 17:18:34,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:18:34,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:18:34,432 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,432 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:18:34,433 INFO L791 eck$LassoCheckResult]: Stem: 413#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 401#L802 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 332#L795 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 327#L810 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 328#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 373#L122 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 410#L541-2 [2021-12-15 17:18:34,433 INFO L793 eck$LassoCheckResult]: Loop: 410#L541-2 assume !false; 335#L542 assume test_~splverifierCounter~0#1 < 4; 336#L543 test_~tmp~4#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 382#L551 assume !(0 != test_~tmp~4#1); 384#L551-2 test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 324#L561 assume !(0 != test_~tmp___0~0#1); 326#L561-2 test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 399#L571 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1; 345#L579 assume !(0 != test_~tmp___1~0#1); 346#L579-2 assume { :begin_inline_timeShift } true; 397#L614 assume !(0 != ~pumpRunning~0); 398#L614-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 402#L646 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 408#L638-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 358#L646-1 assume { :end_inline_processEnvironment } true; 375#L621-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_~tmp~7#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~7#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 387#L859-1 __utac_acc__Specification3_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~7#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 424#L905 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7#1; 480#L911-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 479#L631 assume { :end_inline_timeShift } true; 410#L541-2 [2021-12-15 17:18:34,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:18:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-15 17:18:34,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:18:34,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818309595] [2021-12-15 17:18:34,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:18:34,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:18:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,447 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:18:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:18:34,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:18:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1267798985, now seen corresponding path program 1 times [2021-12-15 17:18:34,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:18:34,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560017992] [2021-12-15 17:18:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:18:34,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:18:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,464 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:18:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:18:34,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:18:34,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:18:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1379170299, now seen corresponding path program 1 times [2021-12-15 17:18:34,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:18:34,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807863201] [2021-12-15 17:18:34,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:18:34,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:18:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:18:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:18:34,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:18:34,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807863201] [2021-12-15 17:18:34,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807863201] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:18:34,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:18:34,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:18:34,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834586941] [2021-12-15 17:18:34,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:18:34,605 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:548) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLoopTermination(LassoCheck.java:944) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:834) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:252) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:457) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:397) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 17:18:34,608 INFO L158 Benchmark]: Toolchain (without parser) took 1440.55ms. Allocated memory is still 107.0MB. Free memory was 78.5MB in the beginning and 56.4MB in the end (delta: 22.2MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,608 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:18:34,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.26ms. Allocated memory is still 107.0MB. Free memory was 78.1MB in the beginning and 77.0MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.51ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,610 INFO L158 Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,610 INFO L158 Benchmark]: RCFGBuilder took 323.50ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 55.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,610 INFO L158 Benchmark]: BuchiAutomizer took 663.97ms. Allocated memory is still 107.0MB. Free memory was 55.5MB in the beginning and 56.4MB in the end (delta: -930.1kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2021-12-15 17:18:34,612 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 83.9MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.26ms. Allocated memory is still 107.0MB. Free memory was 78.1MB in the beginning and 77.0MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.51ms. Allocated memory is still 107.0MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.66ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 72.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.50ms. Allocated memory is still 107.0MB. Free memory was 72.2MB in the beginning and 55.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 663.97ms. Allocated memory is still 107.0MB. Free memory was 55.5MB in the beginning and 56.4MB in the end (delta: -930.1kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 17:18:34,640 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable