./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product16.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_spec5_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:26,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:26,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:26,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:26,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:26,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:26,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:26,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:26,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:26,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:26,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:26,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:26,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:26,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:26,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:26,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:26,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:26,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:26,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:26,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:26,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:26,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:26,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:26,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:26,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:26,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:26,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:26,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:26,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:26,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:26,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:26,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:26,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:26,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:26,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:26,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:26,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:26,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:26,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:26,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:26,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:26,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:26,619 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:26,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:26,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:26,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:26,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:26,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:26,626 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:26,626 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:26,627 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:26,627 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:26,627 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:26,628 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:26,628 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:26,628 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:26,628 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:26,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:26,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:26,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:26,630 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:26,630 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:26,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:26,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:26,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:26,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:26,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:26,632 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:26,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d1ca9044da6bfd8ea8e8fb421260ee2f744733ad29714ab0a4cdf49955938a8 [2022-02-21 04:18:26,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:26,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:26,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:26,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:26,870 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:26,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2022-02-21 04:18:26,926 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03c0143b/eb346e793d2a49b9b3242a9d94b20b36/FLAGef97cfca6 [2022-02-21 04:18:27,293 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:27,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product16.cil.c [2022-02-21 04:18:27,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03c0143b/eb346e793d2a49b9b3242a9d94b20b36/FLAGef97cfca6 [2022-02-21 04:18:27,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03c0143b/eb346e793d2a49b9b3242a9d94b20b36 [2022-02-21 04:18:27,682 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:27,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:27,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:27,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:27,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:27,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:27" (1/1) ... [2022-02-21 04:18:27,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab70a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:27, skipping insertion in model container [2022-02-21 04:18:27,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:27" (1/1) ... [2022-02-21 04:18:27,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:27,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:27,983 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_spec5_product16.cil.c[13833,13846] [2022-02-21 04:18:28,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:28,029 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:28,093 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_spec5_product16.cil.c[13833,13846] [2022-02-21 04:18:28,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:28,118 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:28,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28 WrapperNode [2022-02-21 04:18:28,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:28,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:28,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:28,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:28,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,202 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 57, statements flattened = 409 [2022-02-21 04:18:28,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:28,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:28,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:28,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:28,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:28,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:28,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:28,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:28,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (1/1) ... [2022-02-21 04:18:28,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:28,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:28,328 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 04:18:28,332 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 04:18:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:28,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:28,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:28,439 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:28,440 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:28,694 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:28,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:28,699 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:28,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:28 BoogieIcfgContainer [2022-02-21 04:18:28,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:28,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:28,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:28,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:28,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:28,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:27" (1/3) ... [2022-02-21 04:18:28,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6830bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:28, skipping insertion in model container [2022-02-21 04:18:28,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:28,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:28" (2/3) ... [2022-02-21 04:18:28,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6830bfb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:28, skipping insertion in model container [2022-02-21 04:18:28,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:28,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:28" (3/3) ... [2022-02-21 04:18:28,708 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product16.cil.c [2022-02-21 04:18:28,737 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:28,737 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:28,737 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:28,738 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:28,738 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:28,738 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:28,738 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:28,738 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:28,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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 04:18:28,792 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-02-21 04:18:28,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:28,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:28,797 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:28,798 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 04:18:28,798 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:28,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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 04:18:28,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-02-21 04:18:28,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:28,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:28,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:28,812 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 04:18:28,829 INFO L791 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 111#L595true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L588true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 102#L603true main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 35#L559true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 32#L531true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 91#L425true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 19#L810-2true [2022-02-21 04:18:28,830 INFO L793 eck$LassoCheckResult]: Loop: 19#L810-2true assume !false; 58#L811true assume test_~splverifierCounter~0#1 < 4; 65#L812true test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 25#L820true assume !(0 != test_~tmp~7#1); 79#L820-2true test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 84#L830true assume !(0 != test_~tmp___0~1#1); 104#L830-2true test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 86#L840true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 37#L848true assume !(0 != test_~tmp___1~0#1); 39#L848-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 29#L736true __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 77#L435true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 74#L634true assume !(0 != ~pumpRunning~0); 76#L634-2true assume !(0 != ~systemActive~0); 67#L641-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 9#L944true __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 90#L446true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 59#L446-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 100#L651true assume { :end_inline_timeShift } true; 19#L810-2true [2022-02-21 04:18:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:28,840 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:28,841 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539322117] [2022-02-21 04:18:28,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:28,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:28,962 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,027 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:29,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash 150591929, now seen corresponding path program 1 times [2022-02-21 04:18:29,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,032 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828250322] [2022-02-21 04:18:29,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:29,076 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:29,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1580340272, now seen corresponding path program 1 times [2022-02-21 04:18:29,080 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:29,080 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496234729] [2022-02-21 04:18:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:29,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:29,261 INFO L290 TraceCheckUtils]: 0: Hoare triple {119#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {121#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:29,262 INFO L290 TraceCheckUtils]: 1: Hoare triple {121#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {121#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:29,263 INFO L290 TraceCheckUtils]: 2: Hoare triple {121#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {121#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:29,263 INFO L290 TraceCheckUtils]: 3: Hoare triple {121#(= 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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {122#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:29,264 INFO L290 TraceCheckUtils]: 4: Hoare triple {122#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; {123#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} is VALID [2022-02-21 04:18:29,264 INFO L290 TraceCheckUtils]: 5: Hoare triple {123#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,264 INFO L290 TraceCheckUtils]: 6: Hoare triple {124#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,265 INFO L290 TraceCheckUtils]: 7: Hoare triple {124#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,265 INFO L290 TraceCheckUtils]: 8: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !false; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,266 INFO L290 TraceCheckUtils]: 9: Hoare triple {124#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,267 INFO L290 TraceCheckUtils]: 10: Hoare triple {124#(not (= 0 ~systemActive~0))} test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,267 INFO L290 TraceCheckUtils]: 11: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7#1); {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,268 INFO L290 TraceCheckUtils]: 12: Hoare triple {124#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,269 INFO L290 TraceCheckUtils]: 13: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,269 INFO L290 TraceCheckUtils]: 14: Hoare triple {124#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,269 INFO L290 TraceCheckUtils]: 15: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,270 INFO L290 TraceCheckUtils]: 16: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,270 INFO L290 TraceCheckUtils]: 17: Hoare triple {124#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,272 INFO L290 TraceCheckUtils]: 18: Hoare triple {124#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,273 INFO L290 TraceCheckUtils]: 19: Hoare triple {124#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,273 INFO L290 TraceCheckUtils]: 20: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {124#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:29,274 INFO L290 TraceCheckUtils]: 21: Hoare triple {124#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {120#false} is VALID [2022-02-21 04:18:29,274 INFO L290 TraceCheckUtils]: 22: Hoare triple {120#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {120#false} is VALID [2022-02-21 04:18:29,275 INFO L290 TraceCheckUtils]: 23: Hoare triple {120#false} __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; {120#false} is VALID [2022-02-21 04:18:29,275 INFO L290 TraceCheckUtils]: 24: Hoare triple {120#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); {120#false} is VALID [2022-02-21 04:18:29,276 INFO L290 TraceCheckUtils]: 25: Hoare triple {120#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {120#false} is VALID [2022-02-21 04:18:29,276 INFO L290 TraceCheckUtils]: 26: Hoare triple {120#false} assume { :end_inline_timeShift } true; {120#false} is VALID [2022-02-21 04:18:29,277 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 04:18:29,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:29,278 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496234729] [2022-02-21 04:18:29,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496234729] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:29,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:29,279 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:29,279 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120133153] [2022-02-21 04:18:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:29,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:29,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:29,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:29,460 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 110 states have internal predecessors, (148), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 04:18:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:30,127 INFO L93 Difference]: Finished difference Result 379 states and 480 transitions. [2022-02-21 04:18:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:30,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 04:18:30,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:30,153 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 379 states and 480 transitions. [2022-02-21 04:18:30,169 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 244 [2022-02-21 04:18:30,181 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 379 states to 339 states and 440 transitions. [2022-02-21 04:18:30,183 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 339 [2022-02-21 04:18:30,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 339 [2022-02-21 04:18:30,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 339 states and 440 transitions. [2022-02-21 04:18:30,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:30,185 INFO L681 BuchiCegarLoop]: Abstraction has 339 states and 440 transitions. [2022-02-21 04:18:30,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states and 440 transitions. [2022-02-21 04:18:30,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 159. [2022-02-21 04:18:30,211 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:30,212 INFO L82 GeneralOperation]: Start isEquivalent. First operand 339 states and 440 transitions. Second operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 04:18:30,214 INFO L74 IsIncluded]: Start isIncluded. First operand 339 states and 440 transitions. Second operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 04:18:30,215 INFO L87 Difference]: Start difference. First operand 339 states and 440 transitions. Second operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 04:18:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:30,235 INFO L93 Difference]: Finished difference Result 339 states and 440 transitions. [2022-02-21 04:18:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2022-02-21 04:18:30,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:30,238 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:30,238 INFO L74 IsIncluded]: Start isIncluded. First operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 339 states and 440 transitions. [2022-02-21 04:18:30,239 INFO L87 Difference]: Start difference. First operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 339 states and 440 transitions. [2022-02-21 04:18:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:30,249 INFO L93 Difference]: Finished difference Result 339 states and 440 transitions. [2022-02-21 04:18:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 440 transitions. [2022-02-21 04:18:30,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:30,250 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:30,251 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:30,251 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 159 states have (on average 1.3018867924528301) internal successors, (207), 158 states have internal predecessors, (207), 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 04:18:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2022-02-21 04:18:30,255 INFO L704 BuchiCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-02-21 04:18:30,256 INFO L587 BuchiCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-02-21 04:18:30,256 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:30,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 159 states and 207 transitions. [2022-02-21 04:18:30,257 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 113 [2022-02-21 04:18:30,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:30,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:30,258 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:30,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:30,258 INFO L791 eck$LassoCheckResult]: Stem: 605#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 556#L595 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 593#L588 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 594#L603 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 562#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 557#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 558#L425 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 535#L810-2 [2022-02-21 04:18:30,259 INFO L793 eck$LassoCheckResult]: Loop: 535#L810-2 assume !false; 536#L811 assume test_~splverifierCounter~0#1 < 4; 582#L812 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 544#L820 assume !(0 != test_~tmp~7#1); 546#L820-2 test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 598#L830 assume !(0 != test_~tmp___0~1#1); 599#L830-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 600#L840 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 592#L796 assume { :end_inline_startSystem } true; 566#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 553#L736 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 554#L435 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 595#L634 assume !(0 != ~pumpRunning~0); 596#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 521#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 515#L658-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 516#L666-1 assume { :end_inline_processEnvironment } true; 589#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 517#L944 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 518#L446 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); 584#L446-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 585#L651 assume { :end_inline_timeShift } true; 535#L810-2 [2022-02-21 04:18:30,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:30,259 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:30,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:30,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396181977] [2022-02-21 04:18:30,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:30,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,270 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,281 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:30,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:30,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2102555803, now seen corresponding path program 1 times [2022-02-21 04:18:30,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:30,282 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579244585] [2022-02-21 04:18:30,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:30,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,287 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:30,291 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1750199612, now seen corresponding path program 1 times [2022-02-21 04:18:30,292 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:30,292 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560598425] [2022-02-21 04:18:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:30,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:30,335 INFO L290 TraceCheckUtils]: 0: Hoare triple {1352#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,335 INFO L290 TraceCheckUtils]: 1: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,336 INFO L290 TraceCheckUtils]: 2: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,336 INFO L290 TraceCheckUtils]: 3: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,337 INFO L290 TraceCheckUtils]: 4: Hoare triple {1354#(<= ~waterLevel~0 1)} main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {1354#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,337 INFO L290 TraceCheckUtils]: 6: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,338 INFO L290 TraceCheckUtils]: 7: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,338 INFO L290 TraceCheckUtils]: 8: Hoare triple {1354#(<= ~waterLevel~0 1)} assume !false; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,338 INFO L290 TraceCheckUtils]: 9: Hoare triple {1354#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,339 INFO L290 TraceCheckUtils]: 10: Hoare triple {1354#(<= ~waterLevel~0 1)} test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,339 INFO L290 TraceCheckUtils]: 11: Hoare triple {1354#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~7#1); {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,339 INFO L290 TraceCheckUtils]: 12: Hoare triple {1354#(<= ~waterLevel~0 1)} test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,340 INFO L290 TraceCheckUtils]: 13: Hoare triple {1354#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~1#1); {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,340 INFO L290 TraceCheckUtils]: 14: Hoare triple {1354#(<= ~waterLevel~0 1)} test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,341 INFO L290 TraceCheckUtils]: 15: Hoare triple {1354#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,341 INFO L290 TraceCheckUtils]: 16: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_startSystem } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,341 INFO L290 TraceCheckUtils]: 17: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {1354#(<= ~waterLevel~0 1)} __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,342 INFO L290 TraceCheckUtils]: 19: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,342 INFO L290 TraceCheckUtils]: 20: Hoare triple {1354#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,343 INFO L290 TraceCheckUtils]: 21: Hoare triple {1354#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,343 INFO L290 TraceCheckUtils]: 22: Hoare triple {1354#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,344 INFO L290 TraceCheckUtils]: 23: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,344 INFO L290 TraceCheckUtils]: 24: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {1354#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:30,344 INFO L290 TraceCheckUtils]: 25: Hoare triple {1354#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {1355#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:30,345 INFO L290 TraceCheckUtils]: 26: Hoare triple {1355#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; {1356#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3#1| 1)} is VALID [2022-02-21 04:18:30,345 INFO L290 TraceCheckUtils]: 27: Hoare triple {1356#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~3#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1); {1353#false} is VALID [2022-02-21 04:18:30,345 INFO L290 TraceCheckUtils]: 28: Hoare triple {1353#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {1353#false} is VALID [2022-02-21 04:18:30,346 INFO L290 TraceCheckUtils]: 29: Hoare triple {1353#false} assume { :end_inline_timeShift } true; {1353#false} is VALID [2022-02-21 04:18:30,346 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 04:18:30,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:30,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560598425] [2022-02-21 04:18:30,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560598425] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:30,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:30,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:30,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189123969] [2022-02-21 04:18:30,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:30,478 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:30,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:30,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:30,479 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 04:18:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:31,141 INFO L93 Difference]: Finished difference Result 427 states and 553 transitions. [2022-02-21 04:18:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:31,142 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 04:18:31,180 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:31,181 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 427 states and 553 transitions. [2022-02-21 04:18:31,206 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 283 [2022-02-21 04:18:31,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 427 states to 427 states and 553 transitions. [2022-02-21 04:18:31,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 427 [2022-02-21 04:18:31,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 427 [2022-02-21 04:18:31,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 427 states and 553 transitions. [2022-02-21 04:18:31,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:31,221 INFO L681 BuchiCegarLoop]: Abstraction has 427 states and 553 transitions. [2022-02-21 04:18:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states and 553 transitions. [2022-02-21 04:18:31,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 308. [2022-02-21 04:18:31,240 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:31,241 INFO L82 GeneralOperation]: Start isEquivalent. First operand 427 states and 553 transitions. Second operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 04:18:31,241 INFO L74 IsIncluded]: Start isIncluded. First operand 427 states and 553 transitions. Second operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 04:18:31,242 INFO L87 Difference]: Start difference. First operand 427 states and 553 transitions. Second operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 04:18:31,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:31,267 INFO L93 Difference]: Finished difference Result 427 states and 553 transitions. [2022-02-21 04:18:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 553 transitions. [2022-02-21 04:18:31,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:31,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:31,269 INFO L74 IsIncluded]: Start isIncluded. First operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 427 states and 553 transitions. [2022-02-21 04:18:31,271 INFO L87 Difference]: Start difference. First operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 427 states and 553 transitions. [2022-02-21 04:18:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:31,289 INFO L93 Difference]: Finished difference Result 427 states and 553 transitions. [2022-02-21 04:18:31,294 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 553 transitions. [2022-02-21 04:18:31,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:31,295 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:31,295 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:31,295 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:31,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 308 states have (on average 1.2857142857142858) internal successors, (396), 307 states have internal predecessors, (396), 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 04:18:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 396 transitions. [2022-02-21 04:18:31,315 INFO L704 BuchiCegarLoop]: Abstraction has 308 states and 396 transitions. [2022-02-21 04:18:31,315 INFO L587 BuchiCegarLoop]: Abstraction has 308 states and 396 transitions. [2022-02-21 04:18:31,315 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:31,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 308 states and 396 transitions. [2022-02-21 04:18:31,317 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2022-02-21 04:18:31,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:31,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:31,319 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:31,319 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:31,320 INFO L791 eck$LassoCheckResult]: Stem: 1908#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1839#L595 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1889#L588 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1890#L603 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 1845#L559 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1840#L531 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1841#L425 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1817#L810-2 [2022-02-21 04:18:31,320 INFO L793 eck$LassoCheckResult]: Loop: 1817#L810-2 assume !false; 1818#L811 assume test_~splverifierCounter~0#1 < 4; 1871#L812 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1826#L820 assume !(0 != test_~tmp~7#1); 1828#L820-2 test_~tmp___0~1#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1895#L830 assume !(0 != test_~tmp___0~1#1); 1896#L830-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1897#L840 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1898#L848 assume !(0 != test_~tmp___1~0#1); 1888#L848-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret27#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1836#L736 __utac_acc__Specification5_spec__2_#t~ret27#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret27#1;havoc __utac_acc__Specification5_spec__2_#t~ret27#1; 1837#L435 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1891#L634 assume !(0 != ~pumpRunning~0); 1892#L634-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1803#L666 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 1797#L658-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1798#L666-1 assume { :end_inline_processEnvironment } true; 1901#L641-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret28#1, __utac_acc__Specification5_spec__3_#t~ret29#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 2061#L944 __utac_acc__Specification5_spec__3_#t~ret28#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret28#1;havoc __utac_acc__Specification5_spec__3_#t~ret28#1; 2060#L446 assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 2059#L736-1 __utac_acc__Specification5_spec__3_#t~ret29#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret29#1;havoc __utac_acc__Specification5_spec__3_#t~ret29#1; 2058#L450 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 2056#L446-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1907#L651 assume { :end_inline_timeShift } true; 1817#L810-2 [2022-02-21 04:18:31,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:31,320 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:31,321 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:31,321 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610564263] [2022-02-21 04:18:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:31,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,355 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,370 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:31,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:31,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1873977304, now seen corresponding path program 1 times [2022-02-21 04:18:31,371 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:31,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667094751] [2022-02-21 04:18:31,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:31,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,402 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:31,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:31,403 INFO L85 PathProgramCache]: Analyzing trace with hash -2110121967, now seen corresponding path program 1 times [2022-02-21 04:18:31,403 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:31,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453584390] [2022-02-21 04:18:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:31,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,436 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:31,457 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:34,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:34 BoogieIcfgContainer [2022-02-21 04:18:34,334 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:34,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:34,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:34,335 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:34,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:28" (3/4) ... [2022-02-21 04:18:34,337 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:34,366 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:34,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:34,367 INFO L158 Benchmark]: Toolchain (without parser) took 6684.36ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 47.6MB in the beginning and 62.6MB in the end (delta: -15.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,368 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:34,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.01ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 54.0MB in the end (delta: -6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.18ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 50.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,369 INFO L158 Benchmark]: Boogie Preprocessor took 55.98ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,369 INFO L158 Benchmark]: RCFGBuilder took 429.97ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 53.5MB in the end (delta: -4.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,369 INFO L158 Benchmark]: BuchiAutomizer took 5632.22ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 53.0MB in the beginning and 65.7MB in the end (delta: -12.7MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,369 INFO L158 Benchmark]: Witness Printer took 32.35ms. Allocated memory is still 144.7MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:34,371 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 0.18ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.01ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 47.2MB in the beginning and 54.0MB in the end (delta: -6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.18ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 50.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.98ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 429.97ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 53.5MB in the end (delta: -4.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5632.22ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 53.0MB in the beginning and 65.7MB in the end (delta: -12.7MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Witness Printer took 32.35ms. Allocated memory is still 144.7MB. Free memory was 65.7MB in the beginning and 62.6MB in the end (delta: 3.1MB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 308 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 2 MinimizatonAttempts, 299 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 308 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1122 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1122 mSDsluCounter, 1560 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1253 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 113 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 307 mSDtfsCounter, 113 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 810]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@649afbb0=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, tmp=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c65ecfe=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31fdd75=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e4b958b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bf6bc6e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3166033b=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d51d90d=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@170d5533=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2408ade=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 810]: 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; [L419] int switchedOnBeforeTS ; [L468] int cleanupTimeShifts = 4; [L624] int pumpRunning = 0; [L625] int systemActive = 1; [L869] int waterLevel = 1; [L870] int methaneLevelCritical = 0; [L550] int retValue_acc ; [L551] int tmp ; [L555] FCALL select_helpers() [L556] FCALL select_features() [L557] CALL, EXPR valid_product() [L599] int retValue_acc ; [L602] retValue_acc = 1 [L603] return (retValue_acc); [L557] RET, EXPR valid_product() [L557] tmp = valid_product() [L559] COND TRUE \read(tmp) [L561] FCALL setup() [L562] CALL runTest() [L540] CALL __utac_acc__Specification5_spec__1() [L424] switchedOnBeforeTS = 0 [L540] RET __utac_acc__Specification5_spec__1() [L541] CALL test() [L801] int splverifierCounter ; [L802] int tmp ; [L803] int tmp___0 ; [L804] int tmp___1 ; [L805] int tmp___2 ; [L808] splverifierCounter = 0 Loop: [L810] COND TRUE 1 [L812] COND TRUE splverifierCounter < 4 [L818] tmp = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp)) [L828] tmp___0 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___0)) [L838] tmp___2 = __VERIFIER_nondet_int() [L840] COND FALSE !(\read(tmp___2)) [L846] tmp___1 = __VERIFIER_nondet_int() [L848] COND FALSE !(\read(tmp___1)) [L857] CALL timeShift() [L632] CALL __utac_acc__Specification5_spec__2() [L433] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L433] RET, EXPR isPumpRunning() [L433] switchedOnBeforeTS = isPumpRunning() [L632] RET __utac_acc__Specification5_spec__2() [L634] COND FALSE !(\read(pumpRunning)) [L641] COND TRUE \read(systemActive) [L643] CALL processEnvironment() [L663] int tmp ; [L666] COND FALSE !(\read(pumpRunning)) [L681] FCALL processEnvironment__wrappee__methaneQuery() [L643] RET processEnvironment() [L649] CALL __utac_acc__Specification5_spec__3() [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR getWaterLevel() [L940] int retValue_acc ; [L943] retValue_acc = waterLevel [L944] return (retValue_acc); [L444] RET, EXPR getWaterLevel() [L444] tmp = getWaterLevel() [L446] COND TRUE tmp != 2 [L448] CALL, EXPR isPumpRunning() [L732] int retValue_acc ; [L735] retValue_acc = pumpRunning [L736] return (retValue_acc); [L448] RET, EXPR isPumpRunning() [L448] tmp___0 = isPumpRunning() [L450] COND FALSE !(\read(tmp___0)) [L649] RET __utac_acc__Specification5_spec__3() [L857] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:34,422 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)