./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_product04.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 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:16:13,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:16:13,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:16:13,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:16:13,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:16:13,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:16:13,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:16:13,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:16:13,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:16:13,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:16:13,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:16:13,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:16:13,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:16:13,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:16:13,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:16:13,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:16:13,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:16:13,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:16:13,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:16:13,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:16:13,519 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:16:13,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:16:13,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:16:13,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:16:13,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:16:13,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:16:13,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:16:13,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:16:13,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:16:13,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:16:13,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:16:13,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:16:13,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:16:13,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:16:13,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:16:13,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:16:13,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:16:13,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:16:13,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:16:13,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:16:13,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:16:13,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:16:13,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:16:13,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:16:13,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:16:13,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:16:13,562 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:16:13,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:16:13,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:16:13,564 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:16:13,564 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:16:13,564 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:16:13,565 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:16:13,565 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:16:13,565 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:16:13,565 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:16:13,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:16:13,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:16:13,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:16:13,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:16:13,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:16:13,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:16:13,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:16:13,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:16:13,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:16:13,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:16:13,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:16:13,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:16:13,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:16:13,570 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:16:13,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67e8a37948bd5f43a3fb7848f413432f70349c69c24953f933a261c7c5558ab6 [2022-07-13 04:16:13,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:16:13,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:16:13,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:16:13,743 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:16:13,744 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:16:13,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2022-07-13 04:16:13,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9d2ed06/b99e5d9fe82d4e0983ed44b9853ce9dc/FLAGe2e3f2d4c [2022-07-13 04:16:14,217 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:16:14,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product04.cil.c [2022-07-13 04:16:14,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9d2ed06/b99e5d9fe82d4e0983ed44b9853ce9dc/FLAGe2e3f2d4c [2022-07-13 04:16:14,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9d2ed06/b99e5d9fe82d4e0983ed44b9853ce9dc [2022-07-13 04:16:14,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:16:14,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:16:14,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:14,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:16:14,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:16:14,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3a8dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14, skipping insertion in model container [2022-07-13 04:16:14,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:16:14,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:16:14,793 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_product04.cil.c[1605,1618] [2022-07-13 04:16:14,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:14,869 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:16:14,877 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_product04.cil.c[1605,1618] [2022-07-13 04:16:14,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:14,917 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:16:14,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14 WrapperNode [2022-07-13 04:16:14,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:14,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:14,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:16:14,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:16:14,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,956 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 35, statements flattened = 288 [2022-07-13 04:16:14,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:14,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:16:14,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:16:14,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:16:14,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:14,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:16:14,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:16:14,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:16:14,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:16:14,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (1/1) ... [2022-07-13 04:16:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:16:15,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:16:15,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:16:15,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:16:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:16:15,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:16:15,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:16:15,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:16:15,174 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:16:15,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:16:15,444 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:16:15,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:16:15,449 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:16:15,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:15 BoogieIcfgContainer [2022-07-13 04:16:15,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:16:15,452 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:16:15,452 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:16:15,454 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:16:15,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:15,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:16:14" (1/3) ... [2022-07-13 04:16:15,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39f35091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:15, skipping insertion in model container [2022-07-13 04:16:15,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:15,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:14" (2/3) ... [2022-07-13 04:16:15,456 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39f35091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:15, skipping insertion in model container [2022-07-13 04:16:15,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:15,456 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:15" (3/3) ... [2022-07-13 04:16:15,457 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2022-07-13 04:16:15,490 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:16:15,491 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:16:15,491 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:16:15,491 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:16:15,491 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:16:15,491 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:16:15,491 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:16:15,492 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:16:15,494 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:15,507 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2022-07-13 04:16:15,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:15,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:15,511 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:15,511 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:15,512 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:16:15,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:15,515 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2022-07-13 04:16:15,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:15,515 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:15,516 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:15,516 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:15,519 INFO L752 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 43#L744true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 33#L737true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 6#L752true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 41#L865true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 60#L842true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 58#L75-2true [2022-07-13 04:16:15,520 INFO L754 eck$LassoCheckResult]: Loop: 58#L75-2true assume !false; 77#L76true assume test_~splverifierCounter~0#1 < 4; 10#L77true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 42#L85true assume !(0 != test_~tmp~0#1); 5#L85-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 27#L95true assume !(0 != test_~tmp___0~0#1); 40#L95-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 21#L105true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 28#L268true assume { :end_inline_startSystem } true; 55#L113-2true assume { :begin_inline_timeShift } true; 32#L149true assume !(0 != ~pumpRunning~0); 63#L149-2true assume !(0 != ~systemActive~0); 39#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 7#L682true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 26#L765true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 15#L765-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 31#L166true assume { :end_inline_timeShift } true; 58#L75-2true [2022-07-13 04:16:15,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:15,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:16:15,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:15,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744750194] [2022-07-13 04:16:15,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:15,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:15,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:15,727 INFO L85 PathProgramCache]: Analyzing trace with hash -516589951, now seen corresponding path program 1 times [2022-07-13 04:16:15,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:15,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989767798] [2022-07-13 04:16:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:16:15,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:16:15,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:16:15,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989767798] [2022-07-13 04:16:15,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989767798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:16:15,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:16:15,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:16:15,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411053532] [2022-07-13 04:16:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:16:15,815 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:16:15,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:16:15,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:16:15,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:16:15,841 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 79 states have internal predecessors, (108), 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) [2022-07-13 04:16:15,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:16:15,895 INFO L93 Difference]: Finished difference Result 145 states and 183 transitions. [2022-07-13 04:16:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:16:15,903 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 145 states and 183 transitions. [2022-07-13 04:16:15,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2022-07-13 04:16:15,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 145 states to 125 states and 162 transitions. [2022-07-13 04:16:15,921 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2022-07-13 04:16:15,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2022-07-13 04:16:15,924 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 162 transitions. [2022-07-13 04:16:15,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:16:15,925 INFO L369 hiAutomatonCegarLoop]: Abstraction has 125 states and 162 transitions. [2022-07-13 04:16:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 162 transitions. [2022-07-13 04:16:16,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-07-13 04:16:16,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.2950819672131149) internal successors, (158), 121 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 158 transitions. [2022-07-13 04:16:16,020 INFO L392 hiAutomatonCegarLoop]: Abstraction has 122 states and 158 transitions. [2022-07-13 04:16:16,020 INFO L374 stractBuchiCegarLoop]: Abstraction has 122 states and 158 transitions. [2022-07-13 04:16:16,021 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:16:16,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 158 transitions. [2022-07-13 04:16:16,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 89 [2022-07-13 04:16:16,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:16,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:16,028 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:16,028 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:16,028 INFO L752 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 285#L744 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 277#L737 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 239#L752 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 240#L865 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 283#L842 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 299#L75-2 [2022-07-13 04:16:16,029 INFO L754 eck$LassoCheckResult]: Loop: 299#L75-2 assume !false; 308#L76 assume test_~splverifierCounter~0#1 < 4; 247#L77 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 248#L85 assume !(0 != test_~tmp~0#1); 237#L85-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 238#L95 assume !(0 != test_~tmp___0~0#1); 270#L95-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 258#L105 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 259#L113 assume !(0 != test_~tmp___1~0#1); 271#L113-2 assume { :begin_inline_timeShift } true; 274#L149 assume !(0 != ~pumpRunning~0); 275#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 300#L173 assume { :end_inline_processEnvironment } true; 324#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 323#L682 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 321#L765 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 319#L765-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 318#L166 assume { :end_inline_timeShift } true; 299#L75-2 [2022-07-13 04:16:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:16:16,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:16,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81285710] [2022-07-13 04:16:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,069 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:16,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:16,097 INFO L85 PathProgramCache]: Analyzing trace with hash -341453565, now seen corresponding path program 1 times [2022-07-13 04:16:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:16,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228286002] [2022-07-13 04:16:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:16,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,103 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,108 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 841187783, now seen corresponding path program 1 times [2022-07-13 04:16:16,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:16,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420671741] [2022-07-13 04:16:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:16,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:16,156 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:18,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:16:18 BoogieIcfgContainer [2022-07-13 04:16:18,877 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:16:18,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:16:18,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:16:18,878 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:16:18,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:15" (3/4) ... [2022-07-13 04:16:18,881 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:16:18,912 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:16:18,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:16:18,914 INFO L158 Benchmark]: Toolchain (without parser) took 4302.80ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 112.6MB in the beginning and 56.3MB in the end (delta: 56.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,914 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:16:18,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.91ms. Allocated memory is still 136.3MB. Free memory was 112.6MB in the beginning and 101.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.92ms. Allocated memory is still 136.3MB. Free memory was 101.7MB in the beginning and 99.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,915 INFO L158 Benchmark]: Boogie Preprocessor took 27.02ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:16:18,915 INFO L158 Benchmark]: RCFGBuilder took 460.53ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 82.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,916 INFO L158 Benchmark]: BuchiAutomizer took 3425.91ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.3MB in the beginning and 59.5MB in the end (delta: 22.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,916 INFO L158 Benchmark]: Witness Printer took 35.03ms. Allocated memory is still 163.6MB. Free memory was 59.5MB in the beginning and 56.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:16:18,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 136.3MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.91ms. Allocated memory is still 136.3MB. Free memory was 112.6MB in the beginning and 101.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.92ms. Allocated memory is still 136.3MB. Free memory was 101.7MB in the beginning and 99.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.02ms. Allocated memory is still 136.3MB. Free memory was 99.1MB in the beginning and 97.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.53ms. Allocated memory is still 136.3MB. Free memory was 97.5MB in the beginning and 82.3MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3425.91ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 82.3MB in the beginning and 59.5MB in the end (delta: 22.9MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Witness Printer took 35.03ms. Allocated memory is still 163.6MB. Free memory was 59.5MB in the beginning and 56.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 122 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 95 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 75]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@573f03c=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c52deb0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11a37d8f=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7279ba5b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b9096b=0, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bfc8f1a=0, tmp=0, cleanupTimeShifts=4, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@234116db=0, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 75]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L441] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L639] int waterLevel = 1; [L640] int methaneLevelCritical = 0; [L783] int cleanupTimeShifts = 4; [L856] int retValue_acc ; [L857] int tmp ; [L861] FCALL select_helpers() [L862] FCALL select_features() [L863] CALL, EXPR valid_product() [L748] int retValue_acc ; [L751] retValue_acc = 1 [L752] return (retValue_acc); [L863] RET, EXPR valid_product() [L863] tmp = valid_product() [L865] COND TRUE \read(tmp) [L867] FCALL setup() [L868] CALL runTest() [L850] CALL test() [L66] int splverifierCounter ; [L67] int tmp ; [L68] int tmp___0 ; [L69] int tmp___1 ; [L70] int tmp___2 ; [L73] splverifierCounter = 0 Loop: [L75] COND TRUE 1 [L77] COND TRUE splverifierCounter < 4 [L83] tmp = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp)) [L93] tmp___0 = __VERIFIER_nondet_int() [L95] COND FALSE !(\read(tmp___0)) [L103] tmp___2 = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp___2)) [L111] tmp___1 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___1)) [L122] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] FCALL processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L758] int tmp ; [L759] int tmp___0 ; [L763] CALL, EXPR isMethaneLevelCritical() [L678] int retValue_acc ; [L681] retValue_acc = methaneLevelCritical [L682] return (retValue_acc); [L763] RET, EXPR isMethaneLevelCritical() [L763] tmp = isMethaneLevelCritical() [L765] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L122] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:16:18,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)