./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product30.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_spec1_product30.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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:17:40,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:17:40,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:17:40,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:17:40,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:17:40,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:17:40,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:17:40,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:17:40,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:17:40,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:17:40,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:17:40,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:17:40,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:17:40,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:17:40,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:17:40,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:17:40,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:17:40,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:17:40,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:17:40,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:17:40,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:17:40,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:17:40,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:17:40,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:17:40,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:17:40,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:17:40,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:17:40,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:17:40,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:17:40,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:17:40,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:17:40,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:17:40,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:17:40,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:17:40,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:17:40,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:17:40,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:17:40,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:17:40,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:17:40,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:17:40,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:17:40,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:17:40,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:17:40,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:17:40,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:17:40,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:17:40,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:17:40,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:17:40,610 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:17:40,610 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:17:40,610 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:17:40,610 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:17:40,611 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:17:40,611 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:17:40,611 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:17:40,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:17:40,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:17:40,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:17:40,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:17:40,613 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:17:40,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:17:40,613 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:17:40,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:17:40,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:17:40,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:17:40,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:17:40,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:17:40,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:17:40,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:17:40,616 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:17:40,616 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2021-12-15 17:17:40,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:17:40,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:17:40,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:17:40,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:17:40,840 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:17:40,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-12-15 17:17:40,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62fbc3a/e7aaf39196ae4a698684ea9ddc9774e3/FLAG32cc61c5c [2021-12-15 17:17:41,377 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:17:41,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2021-12-15 17:17:41,394 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62fbc3a/e7aaf39196ae4a698684ea9ddc9774e3/FLAG32cc61c5c [2021-12-15 17:17:41,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc62fbc3a/e7aaf39196ae4a698684ea9ddc9774e3 [2021-12-15 17:17:41,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:17:41,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:17:41,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:17:41,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:17:41,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:17:41,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:17:41" (1/1) ... [2021-12-15 17:17:41,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2716814d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:41, skipping insertion in model container [2021-12-15 17:17:41,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:17:41" (1/1) ... [2021-12-15 17:17:41,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:17:41,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:17:41,961 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_spec1_product30.cil.c[14361,14374] [2021-12-15 17:17:41,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:17:41,979 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:17:42,019 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_spec1_product30.cil.c[14361,14374] [2021-12-15 17:17:42,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:17:42,042 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:17:42,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42 WrapperNode [2021-12-15 17:17:42,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:17:42,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:17:42,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:17:42,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:17:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,113 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 78, statements flattened = 560 [2021-12-15 17:17:42,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:17:42,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:17:42,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:17:42,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:17:42,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:17:42,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:17:42,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:17:42,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:17:42,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (1/1) ... [2021-12-15 17:17:42,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:17:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:17:42,183 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 17:17:42,212 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 17:17:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 17:17:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 17:17:42,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:17:42,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:17:42,302 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:17:42,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:17:42,593 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:17:42,599 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:17:42,599 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:17:42,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:17:42 BoogieIcfgContainer [2021-12-15 17:17:42,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:17:42,601 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:17:42,601 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:17:42,603 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:17:42,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:42,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:17:41" (1/3) ... [2021-12-15 17:17:42,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f9ba21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:17:42, skipping insertion in model container [2021-12-15 17:17:42,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:42,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:17:42" (2/3) ... [2021-12-15 17:17:42,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45f9ba21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:17:42, skipping insertion in model container [2021-12-15 17:17:42,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:17:42,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:17:42" (3/3) ... [2021-12-15 17:17:42,607 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2021-12-15 17:17:42,646 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:17:42,647 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:17:42,647 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:17:42,647 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:17:42,647 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:17:42,647 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:17:42,647 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:17:42,647 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:17:42,665 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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 17:17:42,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-12-15 17:17:42,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:42,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:42,693 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:42,693 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 17:17:42,693 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:17:42,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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 17:17:42,703 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-12-15 17:17:42,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:42,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:42,704 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:42,704 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 17:17:42,709 INFO L791 eck$LassoCheckResult]: Stem: 137#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(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 37#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; 10#L542true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 98#L535true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 151#L550true 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; 64#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 123#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 117#L902-2true [2021-12-15 17:17:42,710 INFO L793 eck$LassoCheckResult]: Loop: 117#L902-2true assume !false; 111#L903true assume test_~splverifierCounter~0#1 < 4; 20#L904true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 131#L912true assume !(0 != test_~tmp~9#1); 83#L912-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 140#L922true assume !(0 != test_~tmp___0~2#1); 72#L922-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 95#L932true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 90#L862true assume { :end_inline_startSystem } true; 38#L940-2true assume { :begin_inline_timeShift } true; 54#L670true assume !(0 != ~pumpRunning~0); 8#L670-2true assume !(0 != ~systemActive~0); 152#L677-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 105#L603-1true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 91#L874true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 141#L874-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 61#L687true assume { :end_inline_timeShift } true; 117#L902-2true [2021-12-15 17:17:42,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:42,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-15 17:17:42,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:42,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932925292] [2021-12-15 17:17:42,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:42,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:42,802 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:42,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1638981887, now seen corresponding path program 1 times [2021-12-15 17:17:42,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:42,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305298073] [2021-12-15 17:17:42,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:42,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:17:42,903 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 17:17:42,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:17:42,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305298073] [2021-12-15 17:17:42,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305298073] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:17:42,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:17:42,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 17:17:42,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210815610] [2021-12-15 17:17:42,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:17:42,909 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:17:42,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:17:42,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:17:42,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:17:42,936 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 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 17:17:42,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:17:42,977 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2021-12-15 17:17:42,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:17:42,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 189 transitions. [2021-12-15 17:17:43,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-12-15 17:17:43,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2021-12-15 17:17:43,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2021-12-15 17:17:43,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2021-12-15 17:17:43,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2021-12-15 17:17:43,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:17:43,013 INFO L681 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-15 17:17:43,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2021-12-15 17:17:43,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-12-15 17:17:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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 17:17:43,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2021-12-15 17:17:43,035 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-15 17:17:43,036 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-15 17:17:43,036 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:17:43,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2021-12-15 17:17:43,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-12-15 17:17:43,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:17:43,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:17:43,038 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:17:43,038 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, 1, 1] [2021-12-15 17:17:43,038 INFO L791 eck$LassoCheckResult]: Stem: 442#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(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 369#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; 322#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 323#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 430#L550 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; 403#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 404#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 402#L902-2 [2021-12-15 17:17:43,039 INFO L793 eck$LassoCheckResult]: Loop: 402#L902-2 assume !false; 436#L903 assume test_~splverifierCounter~0#1 < 4; 342#L904 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 343#L912 assume !(0 != test_~tmp~9#1); 418#L912-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 419#L922 assume !(0 != test_~tmp___0~2#1); 412#L922-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 413#L932 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 424#L862 assume { :end_inline_startSystem } true; 370#L940-2 assume { :begin_inline_timeShift } true; 371#L670 assume !(0 != ~pumpRunning~0); 317#L670-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 318#L728 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 410#L702-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 332#L694-3 assume { :end_inline_processEnvironment__wrappee__base } true; 333#L702-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 325#L728-1 assume { :end_inline_processEnvironment } true; 395#L677-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 435#L603-1 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 425#L874 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 389#L874-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 401#L687 assume { :end_inline_timeShift } true; 402#L902-2 [2021-12-15 17:17:43,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:43,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-15 17:17:43,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:43,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082199231] [2021-12-15 17:17:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:43,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,055 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:43,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:43,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1056591901, now seen corresponding path program 1 times [2021-12-15 17:17:43,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:43,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24152884] [2021-12-15 17:17:43,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:43,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,092 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:43,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:17:43,095 INFO L85 PathProgramCache]: Analyzing trace with hash 60250791, now seen corresponding path program 1 times [2021-12-15 17:17:43,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:17:43,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145806900] [2021-12-15 17:17:43,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:17:43,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:17:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,117 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:17:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:17:43,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:17:43,315 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:855) 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 17:17:43,318 INFO L158 Benchmark]: Toolchain (without parser) took 1594.30ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 69.7MB in the end (delta: -11.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-12-15 17:17:43,318 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:17:43,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.86ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 84.4MB in the end (delta: -25.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:17:43,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.78ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 81.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:17:43,320 INFO L158 Benchmark]: Boogie Preprocessor took 34.45ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:17:43,320 INFO L158 Benchmark]: RCFGBuilder took 445.55ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 59.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 17:17:43,321 INFO L158 Benchmark]: BuchiAutomizer took 715.57ms. Allocated memory is still 115.3MB. Free memory was 58.6MB in the beginning and 69.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:17:43,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 40.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.86ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 84.4MB in the end (delta: -25.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.78ms. Allocated memory is still 115.3MB. Free memory was 84.4MB in the beginning and 81.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.45ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 445.55ms. Allocated memory is still 115.3MB. Free memory was 79.4MB in the beginning and 59.2MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 715.57ms. Allocated memory is still 115.3MB. Free memory was 58.6MB in the beginning and 69.7MB in the end (delta: -11.1MB). There was no memory consumed. 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 17:17:43,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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