./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product09.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 ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:32,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:32,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:32,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:32,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:32,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:32,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:32,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:32,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:32,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:32,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:32,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:32,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:32,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:32,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:32,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:32,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:32,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:32,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:32,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:32,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:32,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:32,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:32,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:32,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:32,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:32,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:32,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:32,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:32,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:32,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:32,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:32,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:32,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:32,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:32,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:32,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:32,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:32,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:32,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:32,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:32,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:32,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:32,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:32,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:32,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:32,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:32,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:32,733 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:32,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:32,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:32,734 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:32,735 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:32,735 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:32,735 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:32,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:32,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:32,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:32,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:32,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:32,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:32,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:32,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:32,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:32,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:32,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:32,738 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:32,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:32,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:32,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:32,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:32,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:32,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:32,740 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:32,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd5e4db60536079e2f1ed21b8808db42225a5df1dde0ff11f7a6872cf3ec06e [2022-02-21 04:17:32,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:32,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:32,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:32,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:32,972 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:32,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2022-02-21 04:17:33,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c7c05c7/ef82c896bff047c18e19972fe9c5a5ff/FLAG98f846917 [2022-02-21 04:17:33,462 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:33,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2022-02-21 04:17:33,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c7c05c7/ef82c896bff047c18e19972fe9c5a5ff/FLAG98f846917 [2022-02-21 04:17:33,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c7c05c7/ef82c896bff047c18e19972fe9c5a5ff [2022-02-21 04:17:33,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:33,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:33,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:33,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:33,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:33,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:33" (1/1) ... [2022-02-21 04:17:33,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:33, skipping insertion in model container [2022-02-21 04:17:33,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:33" (1/1) ... [2022-02-21 04:17:33,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:33,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:34,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2022-02-21 04:17:34,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:34,190 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:34,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[11292,11305] [2022-02-21 04:17:34,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:34,284 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:34,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34 WrapperNode [2022-02-21 04:17:34,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:34,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:34,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:34,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:34,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,355 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 43, calls inlined = 32, statements flattened = 278 [2022-02-21 04:17:34,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:34,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:34,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:34,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:34,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:34,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:34,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:34,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:34,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (1/1) ... [2022-02-21 04:17:34,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:34,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:34,424 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) [2022-02-21 04:17:34,431 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 [2022-02-21 04:17:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:34,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:34,515 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:34,517 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:34,792 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:34,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:34,803 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:34,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:34 BoogieIcfgContainer [2022-02-21 04:17:34,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:34,806 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:34,806 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:34,808 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:34,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:34,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:33" (1/3) ... [2022-02-21 04:17:34,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47fb1032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:34, skipping insertion in model container [2022-02-21 04:17:34,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:34,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:34" (2/3) ... [2022-02-21 04:17:34,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47fb1032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:34, skipping insertion in model container [2022-02-21 04:17:34,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:34,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:34" (3/3) ... [2022-02-21 04:17:34,815 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2022-02-21 04:17:34,855 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:34,855 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:34,855 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:34,856 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:34,856 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:34,856 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:34,856 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:34,856 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:34,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-02-21 04:17:34,932 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:17:34,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:34,932 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:34,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:34,937 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:34,937 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:34,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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) [2022-02-21 04:17:34,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:17:34,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:34,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:34,961 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:34,961 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:34,969 INFO L791 eck$LassoCheckResult]: Stem: 66#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 34#L758true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 23#L751true 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; 8#L766true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 54#L853true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 40#L830true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 15#L550-2true [2022-02-21 04:17:34,970 INFO L793 eck$LassoCheckResult]: Loop: 15#L550-2true assume !false; 37#L551true assume test_~splverifierCounter~0#1 < 4; 53#L552true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 20#L560true assume !(0 != test_~tmp~4#1); 36#L560-2true test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 50#L570true assume !(0 != test_~tmp___0~1#1); 62#L570-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 4#L580true assume 0 != test_~tmp___2~0#1; 75#L586-2true assume { :begin_inline_timeShift } true; 9#L615true assume !(0 != ~pumpRunning~0); 12#L615-2true assume !(0 != ~systemActive~0); 43#L622-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 70#L533true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 33#L435true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 74#L435-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 31#L632true assume { :end_inline_timeShift } true; 15#L550-2true [2022-02-21 04:17:34,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:34,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:34,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:34,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057575527] [2022-02-21 04:17:34,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:34,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,214 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:35,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2022-02-21 04:17:35,220 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:35,221 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669214299] [2022-02-21 04:17:35,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:35,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,263 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2022-02-21 04:17:35,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:35,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694330903] [2022-02-21 04:17:35,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:35,436 INFO L290 TraceCheckUtils]: 0: Hoare triple {83#true} 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:35,437 INFO L290 TraceCheckUtils]: 1: Hoare triple {85#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:35,437 INFO L290 TraceCheckUtils]: 2: Hoare triple {85#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:35,438 INFO L290 TraceCheckUtils]: 3: Hoare triple {85#(= 1 ~systemActive~0)} 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; {86#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:35,438 INFO L290 TraceCheckUtils]: 4: Hoare triple {86#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {87#(= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)} is VALID [2022-02-21 04:17:35,439 INFO L290 TraceCheckUtils]: 5: Hoare triple {87#(= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,440 INFO L290 TraceCheckUtils]: 6: Hoare triple {88#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,441 INFO L290 TraceCheckUtils]: 7: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !false; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,441 INFO L290 TraceCheckUtils]: 8: Hoare triple {88#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,442 INFO L290 TraceCheckUtils]: 9: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,443 INFO L290 TraceCheckUtils]: 10: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4#1); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,444 INFO L290 TraceCheckUtils]: 11: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,444 INFO L290 TraceCheckUtils]: 12: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,445 INFO L290 TraceCheckUtils]: 13: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,446 INFO L290 TraceCheckUtils]: 14: Hoare triple {88#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,446 INFO L290 TraceCheckUtils]: 15: Hoare triple {88#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,447 INFO L290 TraceCheckUtils]: 16: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:35,448 INFO L290 TraceCheckUtils]: 17: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {84#false} is VALID [2022-02-21 04:17:35,448 INFO L290 TraceCheckUtils]: 18: Hoare triple {84#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; {84#false} is VALID [2022-02-21 04:17:35,448 INFO L290 TraceCheckUtils]: 19: Hoare triple {84#false} __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; {84#false} is VALID [2022-02-21 04:17:35,449 INFO L290 TraceCheckUtils]: 20: Hoare triple {84#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); {84#false} is VALID [2022-02-21 04:17:35,449 INFO L290 TraceCheckUtils]: 21: Hoare triple {84#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {84#false} is VALID [2022-02-21 04:17:35,449 INFO L290 TraceCheckUtils]: 22: Hoare triple {84#false} assume { :end_inline_timeShift } true; {84#false} is VALID [2022-02-21 04:17:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:35,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:35,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694330903] [2022-02-21 04:17:35,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694330903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:35,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:35,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:35,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078438361] [2022-02-21 04:17:35,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:35,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:35,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:35,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:35,622 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:35,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:35,846 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2022-02-21 04:17:35,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:17:35,848 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:35,879 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:35,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2022-02-21 04:17:35,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-02-21 04:17:35,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2022-02-21 04:17:35,907 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2022-02-21 04:17:35,907 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-02-21 04:17:35,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2022-02-21 04:17:35,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:35,908 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:17:35,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2022-02-21 04:17:35,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-02-21 04:17:35,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:35,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-02-21 04:17:35,939 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-02-21 04:17:35,940 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-02-21 04:17:35,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:35,943 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-21 04:17:35,943 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:17:35,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:35,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:35,944 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 62 states and 78 transitions. [2022-02-21 04:17:35,945 INFO L87 Difference]: Start difference. First operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 62 states and 78 transitions. [2022-02-21 04:17:35,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:35,947 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-21 04:17:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:17:35,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:35,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:35,948 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:35,948 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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) [2022-02-21 04:17:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-02-21 04:17:35,952 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:17:35,952 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:17:35,952 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:35,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:17:35,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-02-21 04:17:35,953 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:35,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:35,953 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:35,953 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:35,954 INFO L791 eck$LassoCheckResult]: Stem: 226#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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 221#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 204#L758 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 192#L751 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; 170#L766 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 171#L853 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 209#L830 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 181#L550-2 [2022-02-21 04:17:35,954 INFO L793 eck$LassoCheckResult]: Loop: 181#L550-2 assume !false; 182#L551 assume test_~splverifierCounter~0#1 < 4; 206#L552 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 189#L560 assume !(0 != test_~tmp~4#1); 191#L560-2 test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 205#L570 assume !(0 != test_~tmp___0~1#1); 219#L570-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 165#L580 assume 0 != test_~tmp___2~0#1; 167#L586-2 assume { :begin_inline_timeShift } true; 172#L615 assume !(0 != ~pumpRunning~0); 173#L615-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 177#L639 assume { :end_inline_processEnvironment } true; 211#L622-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~3#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~3#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 212#L533 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~3#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 201#L435 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3#1); 202#L435-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 199#L632 assume { :end_inline_timeShift } true; 181#L550-2 [2022-02-21 04:17:35,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:35,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:35,955 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:35,955 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255999140] [2022-02-21 04:17:35,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:35,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,968 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:35,994 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:35,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:35,995 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2022-02-21 04:17:35,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:35,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326896798] [2022-02-21 04:17:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:35,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:36,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:36,006 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:36,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:36,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2022-02-21 04:17:36,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:36,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453761321] [2022-02-21 04:17:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:36,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:36,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:36,056 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:39 BoogieIcfgContainer [2022-02-21 04:17:39,070 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:39,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:39,071 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:39,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:39,072 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:34" (3/4) ... [2022-02-21 04:17:39,075 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:39,131 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:39,133 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:39,134 INFO L158 Benchmark]: Toolchain (without parser) took 5320.54ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 68.9MB in the beginning and 40.1MB in the end (delta: 28.8MB). Peak memory consumption was 74.9MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,135 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:39,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.30ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.97ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,140 INFO L158 Benchmark]: Boogie Preprocessor took 43.00ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,140 INFO L158 Benchmark]: RCFGBuilder took 405.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 61.8MB in the beginning and 97.0MB in the end (delta: -35.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,140 INFO L158 Benchmark]: BuchiAutomizer took 4265.13ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 97.0MB in the beginning and 42.2MB in the end (delta: 54.8MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:39,141 INFO L158 Benchmark]: Witness Printer took 61.54ms. Allocated memory is still 146.8MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:39,142 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.30ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 66.4MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.97ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 63.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.00ms. Allocated memory is still 100.7MB. Free memory was 63.6MB in the beginning and 61.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 61.8MB in the beginning and 97.0MB in the end (delta: -35.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4265.13ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 97.0MB in the beginning and 42.2MB in the end (delta: 54.8MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * Witness Printer took 61.54ms. Allocated memory is still 146.8MB. Free memory was 42.2MB in the beginning and 40.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 62 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 550]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bfbb439=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@af6d654=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@785e8dfe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ea4f356=29, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b638117=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, head=0, \result=1, tmp___1=0, NULL=0, retValue_acc=1, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e2b215d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d0717d=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 550]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L458] int waterLevel = 1; [L459] int methaneLevelCritical = 0; [L608] int pumpRunning = 0; [L609] int systemActive = 1; [L771] int cleanupTimeShifts = 4; [L844] int retValue_acc ; [L845] int tmp ; [L849] FCALL select_helpers() [L850] FCALL select_features() [L851] CALL, EXPR valid_product() [L762] int retValue_acc ; [L765] retValue_acc = 1 [L766] return (retValue_acc); [L851] RET, EXPR valid_product() [L851] tmp = valid_product() [L853] COND TRUE \read(tmp) [L855] FCALL setup() [L856] CALL runTest() [L838] CALL test() [L541] int splverifierCounter ; [L542] int tmp ; [L543] int tmp___0 ; [L544] int tmp___1 ; [L545] int tmp___2 ; [L548] splverifierCounter = 0 Loop: [L550] COND TRUE 1 [L552] COND TRUE splverifierCounter < 4 [L558] tmp = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp)) [L568] tmp___0 = __VERIFIER_nondet_int() [L570] COND FALSE !(\read(tmp___0)) [L578] tmp___2 = __VERIFIER_nondet_int() [L580] COND TRUE \read(tmp___2) [L593] CALL timeShift() [L615] COND FALSE !(\read(pumpRunning)) [L622] COND TRUE \read(systemActive) [L624] FCALL processEnvironment() [L630] CALL __utac_acc__Specification4_spec__1() [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR getWaterLevel() [L529] int retValue_acc ; [L532] retValue_acc = waterLevel [L533] return (retValue_acc); [L433] RET, EXPR getWaterLevel() [L433] tmp = getWaterLevel() [L435] COND FALSE !(tmp == 0) [L630] RET __utac_acc__Specification4_spec__1() [L593] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:39,208 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)