./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product17.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_product17.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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:38,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:38,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:38,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:38,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:38,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:38,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:38,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:38,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:38,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:38,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:38,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:38,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:38,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:38,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:38,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:38,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:38,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:38,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:38,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:38,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:38,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:38,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:38,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:38,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:38,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:38,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:38,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:38,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:38,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:38,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:38,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:38,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:38,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:38,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:38,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:38,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:38,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:38,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:38,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:38,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:38,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:38,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:38,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:38,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:38,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:38,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:38,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:38,146 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:38,146 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:38,147 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:38,147 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:38,147 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:38,148 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:38,148 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:38,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:38,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:38,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:38,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:38,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:38,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:38,150 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:38,150 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:38,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:38,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:38,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:38,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:38,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:38,152 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:38,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2022-02-21 04:17:38,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:38,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:38,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:38,436 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:38,437 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:38,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2022-02-21 04:17:38,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe8f6e3/ab8b7fc9fb424c7a8c05245d3e7751c1/FLAGe3c924b5c [2022-02-21 04:17:38,977 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:38,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2022-02-21 04:17:38,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe8f6e3/ab8b7fc9fb424c7a8c05245d3e7751c1/FLAGe3c924b5c [2022-02-21 04:17:39,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6fe8f6e3/ab8b7fc9fb424c7a8c05245d3e7751c1 [2022-02-21 04:17:39,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:39,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:39,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:39,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:39,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:39,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367039b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39, skipping insertion in model container [2022-02-21 04:17:39,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:39,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:39,572 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_product17.cil.c[3323,3336] [2022-02-21 04:17:39,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:39,710 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:39,738 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_product17.cil.c[3323,3336] [2022-02-21 04:17:39,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:39,812 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:39,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39 WrapperNode [2022-02-21 04:17:39,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:39,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:39,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:39,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:39,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,887 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 47, statements flattened = 377 [2022-02-21 04:17:39,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:39,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:39,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:39,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:39,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:39,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:39,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:39,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:39,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (1/1) ... [2022-02-21 04:17:39,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:39,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:39,997 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 04:17:40,031 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 04:17:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:40,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:40,133 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:40,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:40,511 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:40,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:40,518 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:40,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:40 BoogieIcfgContainer [2022-02-21 04:17:40,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:40,521 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:40,521 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:40,524 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:40,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:40,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:39" (1/3) ... [2022-02-21 04:17:40,526 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54626579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:40, skipping insertion in model container [2022-02-21 04:17:40,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:40,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:39" (2/3) ... [2022-02-21 04:17:40,527 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54626579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:40, skipping insertion in model container [2022-02-21 04:17:40,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:40,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:40" (3/3) ... [2022-02-21 04:17:40,534 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2022-02-21 04:17:40,579 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:40,580 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:40,580 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:40,580 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:40,580 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:40,580 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:40,580 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:40,581 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:40,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 04:17:40,649 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:17:40,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:40,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:40,656 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:40,659 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 04:17:40,659 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:40,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 04:17:40,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:17:40,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:40,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:40,685 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:40,685 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 04:17:40,694 INFO L791 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 24#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 99#L214true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 57#L207true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 63#L222true main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 45#L169true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 77#L142true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 28#L237-2true [2022-02-21 04:17:40,697 INFO L793 eck$LassoCheckResult]: Loop: 28#L237-2true assume !false; 16#L238true assume test_~splverifierCounter~0#1 < 4; 17#L239true test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 83#L247true assume !(0 != test_~tmp~2#1); 59#L247-2true test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 98#L257true assume !(0 != test_~tmp___0~1#1); 26#L257-2true test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 14#L267true assume 0 != test_~tmp___2~0#1; 85#L273-2true assume { :begin_inline_timeShift } true; 48#L305true assume !(0 != ~pumpRunning~0); 91#L305-2true assume !(0 != ~systemActive~0); 21#L312-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 5#L525true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 55#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 89#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 68#L322true assume { :end_inline_timeShift } true; 28#L237-2true [2022-02-21 04:17:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:40,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893062177] [2022-02-21 04:17:40,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,937 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:40,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2022-02-21 04:17:40,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015054371] [2022-02-21 04:17:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:40,978 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:40,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:40,981 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2022-02-21 04:17:40,982 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:40,982 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364364065] [2022-02-21 04:17:40,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:40,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:41,156 INFO L290 TraceCheckUtils]: 0: Hoare triple {110#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(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,157 INFO L290 TraceCheckUtils]: 1: Hoare triple {112#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,157 INFO L290 TraceCheckUtils]: 2: Hoare triple {112#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {112#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,158 INFO L290 TraceCheckUtils]: 3: Hoare triple {112#(= 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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; {113#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:41,158 INFO L290 TraceCheckUtils]: 4: Hoare triple {113#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; {114#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} is VALID [2022-02-21 04:17:41,159 INFO L290 TraceCheckUtils]: 5: Hoare triple {114#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,159 INFO L290 TraceCheckUtils]: 6: Hoare triple {115#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,160 INFO L290 TraceCheckUtils]: 7: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !false; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,161 INFO L290 TraceCheckUtils]: 8: Hoare triple {115#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,161 INFO L290 TraceCheckUtils]: 9: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,162 INFO L290 TraceCheckUtils]: 10: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2#1); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,163 INFO L290 TraceCheckUtils]: 11: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,164 INFO L290 TraceCheckUtils]: 12: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,164 INFO L290 TraceCheckUtils]: 13: Hoare triple {115#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,165 INFO L290 TraceCheckUtils]: 14: Hoare triple {115#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,165 INFO L290 TraceCheckUtils]: 15: Hoare triple {115#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,166 INFO L290 TraceCheckUtils]: 16: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {115#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:41,166 INFO L290 TraceCheckUtils]: 17: Hoare triple {115#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {111#false} is VALID [2022-02-21 04:17:41,167 INFO L290 TraceCheckUtils]: 18: Hoare triple {111#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; {111#false} is VALID [2022-02-21 04:17:41,167 INFO L290 TraceCheckUtils]: 19: Hoare triple {111#false} __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; {111#false} is VALID [2022-02-21 04:17:41,167 INFO L290 TraceCheckUtils]: 20: Hoare triple {111#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); {111#false} is VALID [2022-02-21 04:17:41,168 INFO L290 TraceCheckUtils]: 21: Hoare triple {111#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {111#false} is VALID [2022-02-21 04:17:41,169 INFO L290 TraceCheckUtils]: 22: Hoare triple {111#false} assume { :end_inline_timeShift } true; {111#false} is VALID [2022-02-21 04:17:41,170 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 04:17:41,171 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:41,171 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364364065] [2022-02-21 04:17:41,172 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364364065] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:41,172 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:41,172 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:41,173 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726489381] [2022-02-21 04:17:41,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:41,312 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:41,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:41,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:41,345 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 04:17:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:41,709 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-02-21 04:17:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:17:41,710 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 04:17:41,732 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 04:17:41,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2022-02-21 04:17:41,742 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:41,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2022-02-21 04:17:41,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-02-21 04:17:41,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-02-21 04:17:41,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2022-02-21 04:17:41,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:41,751 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2022-02-21 04:17:41,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-02-21 04:17:41,775 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:41,776 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 04:17:41,792 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 04:17:41,794 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 04:17:41,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:41,801 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2022-02-21 04:17:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:41,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:41,803 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:41,804 INFO L74 IsIncluded]: Start isIncluded. First operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 89 states and 114 transitions. [2022-02-21 04:17:41,804 INFO L87 Difference]: Start difference. First operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 89 states and 114 transitions. [2022-02-21 04:17:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:41,823 INFO L93 Difference]: Finished difference Result 89 states and 114 transitions. [2022-02-21 04:17:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:41,824 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:41,824 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:41,825 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:41,825 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 04:17:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-02-21 04:17:41,839 INFO L704 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:41,839 INFO L587 BuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-02-21 04:17:41,839 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:41,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2022-02-21 04:17:41,841 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-02-21 04:17:41,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:41,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:41,842 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,842 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,842 INFO L791 eck$LassoCheckResult]: Stem: 302#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 289#L214 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 232#L207 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 233#L222 main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 242#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 279#L142 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 254#L237-2 [2022-02-21 04:17:41,843 INFO L793 eck$LassoCheckResult]: Loop: 254#L237-2 assume !false; 270#L238 assume test_~splverifierCounter~0#1 < 4; 271#L239 test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 273#L247 assume !(0 != test_~tmp~2#1); 234#L247-2 test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 235#L257 assume !(0 != test_~tmp___0~1#1); 292#L257-2 test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 264#L267 assume 0 != test_~tmp___2~0#1; 266#L273-2 assume { :begin_inline_timeShift } true; 291#L305 assume !(0 != ~pumpRunning~0); 301#L305-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 236#L337 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 237#L329-1 assume { :end_inline_processEnvironment__wrappee__base } true; 283#L337-1 assume { :end_inline_processEnvironment } true; 275#L312-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 223#L525 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 224#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 226#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 253#L322 assume { :end_inline_timeShift } true; 254#L237-2 [2022-02-21 04:17:41,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:41,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:41,844 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:41,844 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705576219] [2022-02-21 04:17:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:41,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,866 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,879 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2022-02-21 04:17:41,880 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:41,881 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760011309] [2022-02-21 04:17:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:41,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,889 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,893 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:41,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:41,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2022-02-21 04:17:41,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:41,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84960387] [2022-02-21 04:17:41,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:41,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,927 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,946 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:44,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:44 BoogieIcfgContainer [2022-02-21 04:17:44,905 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:44,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:44,906 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:44,906 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:44,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:40" (3/4) ... [2022-02-21 04:17:44,910 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:44,955 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:44,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:44,959 INFO L158 Benchmark]: Toolchain (without parser) took 5640.73ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 50.9MB in the beginning and 62.5MB in the end (delta: -11.6MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,961 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 90.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:44,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.46ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 54.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.35ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 51.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,962 INFO L158 Benchmark]: Boogie Preprocessor took 58.17ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 49.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,962 INFO L158 Benchmark]: RCFGBuilder took 573.26ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 84.8MB in the end (delta: -35.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,963 INFO L158 Benchmark]: BuchiAutomizer took 4383.92ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 84.8MB in the beginning and 64.6MB in the end (delta: 20.2MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,963 INFO L158 Benchmark]: Witness Printer took 52.37ms. Allocated memory is still 134.2MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:44,965 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 0.22ms. Allocated memory is still 90.2MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.46ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 54.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.35ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 51.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.17ms. Allocated memory is still 90.2MB. Free memory was 51.0MB in the beginning and 49.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.26ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 48.9MB in the beginning and 84.8MB in the end (delta: -35.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4383.92ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 84.8MB in the beginning and 64.6MB in the end (delta: 20.2MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Witness Printer took 52.37ms. Allocated memory is still 134.2MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 89 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 471 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 123 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, 119 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: 237]: 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@16dfd0c1=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65a27921=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f2c1fe2=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77a10b96=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d2106bd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6619f1b2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@af6afab=0, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, \result=1, tmp=1, tmp___2=29, cleanupTimeShifts=4, tmp=0, \result=0, tmp=1, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@283f0b1e=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 237]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L280] CALL timeShift() [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L314] CALL processEnvironment() [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L352] FCALL processEnvironment__wrappee__base() [L314] RET processEnvironment() [L320] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L320] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:45,016 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)