./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product48.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_product48.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 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:50,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:50,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:50,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:50,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:50,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:50,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:50,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:50,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:50,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:50,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:50,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:50,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:50,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:50,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:50,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:50,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:50,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:50,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:50,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:50,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:50,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:50,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:50,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:50,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:50,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:50,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:50,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:50,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:50,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:50,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:50,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:50,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:50,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:50,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:50,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:50,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:50,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:50,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:50,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:50,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:50,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:50,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:50,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:50,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:50,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:50,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:50,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:50,676 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:50,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:50,677 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:50,677 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:50,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:50,677 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:50,678 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:50,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:50,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:50,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:50,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:50,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:50,679 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:50,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:50,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:50,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:50,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:50,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:50,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:50,682 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:50,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9f4a5eb48d3a052332271e6f513d6efe176b9f027fc1b42847acbd4831cf9 [2022-02-21 04:18:50,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:50,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:50,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:50,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:50,904 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:50,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-02-21 04:18:50,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96481077/15fe0d3483884cb2bb87f28c827fb37a/FLAG2b03700ac [2022-02-21 04:18:51,363 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:51,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product48.cil.c [2022-02-21 04:18:51,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96481077/15fe0d3483884cb2bb87f28c827fb37a/FLAG2b03700ac [2022-02-21 04:18:51,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a96481077/15fe0d3483884cb2bb87f28c827fb37a [2022-02-21 04:18:51,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:51,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:51,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:51,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:51,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:51,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557d565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51, skipping insertion in model container [2022-02-21 04:18:51,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:51,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:51,654 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_product48.cil.c[11292,11305] [2022-02-21 04:18:51,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:51,721 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:51,749 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_product48.cil.c[11292,11305] [2022-02-21 04:18:51,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:51,794 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:51,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51 WrapperNode [2022-02-21 04:18:51,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:51,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:51,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:51,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:51,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,876 INFO L137 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 58, calls inlined = 105, statements flattened = 757 [2022-02-21 04:18:51,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:51,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:51,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:51,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:51,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:51,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:51,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:51,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:51,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (1/1) ... [2022-02-21 04:18:51,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:51,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:51,961 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 04:18:51,967 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 04:18:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:51,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:51,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:52,063 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:52,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:52,527 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:52,535 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:52,538 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:52,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:52 BoogieIcfgContainer [2022-02-21 04:18:52,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:52,544 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:52,544 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:52,546 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:52,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:52,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:51" (1/3) ... [2022-02-21 04:18:52,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70fa3575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:52, skipping insertion in model container [2022-02-21 04:18:52,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:52,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:51" (2/3) ... [2022-02-21 04:18:52,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@70fa3575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:52, skipping insertion in model container [2022-02-21 04:18:52,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:52,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:52" (3/3) ... [2022-02-21 04:18:52,550 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2022-02-21 04:18:52,589 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:52,589 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:52,589 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:52,589 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:52,589 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:52,589 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:52,589 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:52,590 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:52,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 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 04:18:52,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2022-02-21 04:18:52,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:52,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:52,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:52,665 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 04:18:52,665 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:52,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 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 04:18:52,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 127 [2022-02-21 04:18:52,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:52,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:52,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:52,682 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 04:18:52,686 INFO L791 eck$LassoCheckResult]: Stem: 189#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 121#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 144#L998true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 11#L991true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 92#L1006true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 84#L913true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 36#L885true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 108#L933true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 63#L441-2true [2022-02-21 04:18:52,689 INFO L793 eck$LassoCheckResult]: Loop: 63#L441-2true assume !false; 112#L442true assume test_~splverifierCounter~0#1 < 4; 42#L443true test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 93#L451true assume !(0 != test_~tmp~3#1); 163#L451-2true test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 4#L461true assume !(0 != test_~tmp___0~0#1); 20#L461-2true test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 19#L471true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 143#L479true assume !(0 != test_~tmp___1~0#1); 115#L479-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 197#L648true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 180#L943true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 122#L520true assume !(0 != ~pumpRunning~0); 152#L520-2true assume !(0 != ~systemActive~0); 72#L527-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 99#L807true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 195#L954true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 45#L954-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 56#L537true assume { :end_inline_timeShift } true; 63#L441-2true [2022-02-21 04:18:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:52,693 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:52,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:52,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737799381] [2022-02-21 04:18:52,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:52,833 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:52,887 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:52,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:52,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1422697415, now seen corresponding path program 1 times [2022-02-21 04:18:52,889 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:52,890 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847964320] [2022-02-21 04:18:52,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:52,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:52,897 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:52,903 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:52,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:52,908 INFO L85 PathProgramCache]: Analyzing trace with hash 7050928, now seen corresponding path program 1 times [2022-02-21 04:18:52,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:52,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651076008] [2022-02-21 04:18:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:53,037 INFO L290 TraceCheckUtils]: 0: Hoare triple {203#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; {205#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:53,038 INFO L290 TraceCheckUtils]: 1: Hoare triple {205#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {205#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:53,039 INFO L290 TraceCheckUtils]: 2: Hoare triple {205#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {205#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:53,039 INFO L290 TraceCheckUtils]: 3: Hoare triple {205#(= 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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; {206#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:53,039 INFO L290 TraceCheckUtils]: 4: Hoare triple {206#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; {207#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} is VALID [2022-02-21 04:18:53,040 INFO L290 TraceCheckUtils]: 5: Hoare triple {207#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,040 INFO L290 TraceCheckUtils]: 6: Hoare triple {208#(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; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,041 INFO L290 TraceCheckUtils]: 7: Hoare triple {208#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,042 INFO L290 TraceCheckUtils]: 8: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !false; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,042 INFO L290 TraceCheckUtils]: 9: Hoare triple {208#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,043 INFO L290 TraceCheckUtils]: 10: Hoare triple {208#(not (= 0 ~systemActive~0))} test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,043 INFO L290 TraceCheckUtils]: 11: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~3#1); {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,043 INFO L290 TraceCheckUtils]: 12: Hoare triple {208#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,044 INFO L290 TraceCheckUtils]: 13: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,044 INFO L290 TraceCheckUtils]: 14: Hoare triple {208#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,045 INFO L290 TraceCheckUtils]: 15: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,045 INFO L290 TraceCheckUtils]: 16: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,046 INFO L290 TraceCheckUtils]: 17: Hoare triple {208#(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~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,046 INFO L290 TraceCheckUtils]: 18: Hoare triple {208#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,047 INFO L290 TraceCheckUtils]: 19: Hoare triple {208#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,048 INFO L290 TraceCheckUtils]: 20: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {208#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:53,048 INFO L290 TraceCheckUtils]: 21: Hoare triple {208#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {204#false} is VALID [2022-02-21 04:18:53,048 INFO L290 TraceCheckUtils]: 22: Hoare triple {204#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; {204#false} is VALID [2022-02-21 04:18:53,049 INFO L290 TraceCheckUtils]: 23: Hoare triple {204#false} __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; {204#false} is VALID [2022-02-21 04:18:53,050 INFO L290 TraceCheckUtils]: 24: Hoare triple {204#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); {204#false} is VALID [2022-02-21 04:18:53,050 INFO L290 TraceCheckUtils]: 25: Hoare triple {204#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {204#false} is VALID [2022-02-21 04:18:53,050 INFO L290 TraceCheckUtils]: 26: Hoare triple {204#false} assume { :end_inline_timeShift } true; {204#false} is VALID [2022-02-21 04:18:53,051 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 04:18:53,051 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:53,052 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651076008] [2022-02-21 04:18:53,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651076008] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:53,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:53,053 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:53,053 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989503895] [2022-02-21 04:18:53,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:53,215 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:53,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:53,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:53,241 INFO L87 Difference]: Start difference. First operand has 195 states, 194 states have (on average 1.3505154639175259) internal successors, (262), 194 states have internal predecessors, (262), 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 04:18:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,286 INFO L93 Difference]: Finished difference Result 631 states and 822 transitions. [2022-02-21 04:18:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:54,287 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 04:18:54,308 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 04:18:54,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 631 states and 822 transitions. [2022-02-21 04:18:54,337 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 412 [2022-02-21 04:18:54,359 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 631 states to 591 states and 782 transitions. [2022-02-21 04:18:54,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 591 [2022-02-21 04:18:54,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 591 [2022-02-21 04:18:54,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 591 states and 782 transitions. [2022-02-21 04:18:54,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:54,363 INFO L681 BuchiCegarLoop]: Abstraction has 591 states and 782 transitions. [2022-02-21 04:18:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states and 782 transitions. [2022-02-21 04:18:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 243. [2022-02-21 04:18:54,388 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:54,390 INFO L82 GeneralOperation]: Start isEquivalent. First operand 591 states and 782 transitions. Second operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 04:18:54,391 INFO L74 IsIncluded]: Start isIncluded. First operand 591 states and 782 transitions. Second operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 04:18:54,392 INFO L87 Difference]: Start difference. First operand 591 states and 782 transitions. Second operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 04:18:54,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,409 INFO L93 Difference]: Finished difference Result 591 states and 782 transitions. [2022-02-21 04:18:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 782 transitions. [2022-02-21 04:18:54,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:54,412 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:54,413 INFO L74 IsIncluded]: Start isIncluded. First operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 591 states and 782 transitions. [2022-02-21 04:18:54,413 INFO L87 Difference]: Start difference. First operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 591 states and 782 transitions. [2022-02-21 04:18:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,428 INFO L93 Difference]: Finished difference Result 591 states and 782 transitions. [2022-02-21 04:18:54,428 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 782 transitions. [2022-02-21 04:18:54,429 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:54,429 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:54,429 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:54,429 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:54,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.3209876543209877) internal successors, (321), 242 states have internal predecessors, (321), 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 04:18:54,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 321 transitions. [2022-02-21 04:18:54,435 INFO L704 BuchiCegarLoop]: Abstraction has 243 states and 321 transitions. [2022-02-21 04:18:54,435 INFO L587 BuchiCegarLoop]: Abstraction has 243 states and 321 transitions. [2022-02-21 04:18:54,435 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:54,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 321 transitions. [2022-02-21 04:18:54,436 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 169 [2022-02-21 04:18:54,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:54,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:54,437 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:54,437 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 04:18:54,437 INFO L791 eck$LassoCheckResult]: Stem: 1026#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 926#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 927#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 868#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 869#L1006 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 1025#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 958#L885 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 888#L933 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 889#L441-2 [2022-02-21 04:18:54,437 INFO L793 eck$LassoCheckResult]: Loop: 889#L441-2 assume !false; 901#L442 assume test_~splverifierCounter~0#1 < 4; 902#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 969#L451 assume !(0 != test_~tmp~3#1); 956#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 848#L461 assume !(0 != test_~tmp___0~0#1); 850#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 899#L471 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 900#L479 assume !(0 != test_~tmp___1~0#1); 879#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 912#L648 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1021#L943 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 928#L520 assume !(0 != ~pumpRunning~0); 929#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 942#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 943#L552-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 844#L544-3 assume { :end_inline_processEnvironment__wrappee__base } true; 845#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 916#L578-1 assume { :end_inline_processEnvironment } true; 947#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 863#L807 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 864#L954 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 975#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 976#L537 assume { :end_inline_timeShift } true; 889#L441-2 [2022-02-21 04:18:54,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:54,438 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:54,438 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:54,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685767639] [2022-02-21 04:18:54,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:54,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:54,449 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:54,477 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:54,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash -427037895, now seen corresponding path program 1 times [2022-02-21 04:18:54,478 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:54,478 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804049474] [2022-02-21 04:18:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:54,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:54,491 INFO L290 TraceCheckUtils]: 0: Hoare triple {2274#true} assume !false; {2274#true} is VALID [2022-02-21 04:18:54,491 INFO L290 TraceCheckUtils]: 1: Hoare triple {2274#true} assume test_~splverifierCounter~0#1 < 4; {2274#true} is VALID [2022-02-21 04:18:54,491 INFO L290 TraceCheckUtils]: 2: Hoare triple {2274#true} test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 3: Hoare triple {2274#true} assume !(0 != test_~tmp~3#1); {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 4: Hoare triple {2274#true} test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 5: Hoare triple {2274#true} assume !(0 != test_~tmp___0~0#1); {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {2274#true} test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 7: Hoare triple {2274#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; {2274#true} is VALID [2022-02-21 04:18:54,492 INFO L290 TraceCheckUtils]: 8: Hoare triple {2274#true} assume !(0 != test_~tmp___1~0#1); {2274#true} is VALID [2022-02-21 04:18:54,493 INFO L290 TraceCheckUtils]: 9: Hoare triple {2274#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {2274#true} is VALID [2022-02-21 04:18:54,493 INFO L290 TraceCheckUtils]: 10: Hoare triple {2274#true} __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; {2274#true} is VALID [2022-02-21 04:18:54,493 INFO L290 TraceCheckUtils]: 11: Hoare triple {2274#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {2274#true} is VALID [2022-02-21 04:18:54,493 INFO L290 TraceCheckUtils]: 12: Hoare triple {2274#true} assume !(0 != ~pumpRunning~0); {2276#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:54,494 INFO L290 TraceCheckUtils]: 13: Hoare triple {2276#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {2276#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:54,494 INFO L290 TraceCheckUtils]: 14: Hoare triple {2276#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; {2276#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:18:54,494 INFO L290 TraceCheckUtils]: 15: Hoare triple {2276#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 16: Hoare triple {2275#false} assume { :end_inline_processEnvironment__wrappee__base } true; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 17: Hoare triple {2275#false} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 18: Hoare triple {2275#false} assume { :end_inline_processEnvironment } true; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 19: Hoare triple {2275#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 20: Hoare triple {2275#false} __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; {2275#false} is VALID [2022-02-21 04:18:54,495 INFO L290 TraceCheckUtils]: 21: Hoare triple {2275#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); {2275#false} is VALID [2022-02-21 04:18:54,496 INFO L290 TraceCheckUtils]: 22: Hoare triple {2275#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {2275#false} is VALID [2022-02-21 04:18:54,496 INFO L290 TraceCheckUtils]: 23: Hoare triple {2275#false} assume { :end_inline_timeShift } true; {2275#false} is VALID [2022-02-21 04:18:54,496 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 04:18:54,496 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:54,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804049474] [2022-02-21 04:18:54,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804049474] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:54,497 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:54,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:18:54,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097084824] [2022-02-21 04:18:54,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:54,497 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:18:54,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:54,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:18:54,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:18:54,498 INFO L87 Difference]: Start difference. First operand 243 states and 321 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 04:18:54,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,687 INFO L93 Difference]: Finished difference Result 309 states and 391 transitions. [2022-02-21 04:18:54,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:18:54,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 04:18:54,700 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:54,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,707 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-02-21 04:18:54,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 309 states to 309 states and 391 transitions. [2022-02-21 04:18:54,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 309 [2022-02-21 04:18:54,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 309 [2022-02-21 04:18:54,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:54,715 INFO L681 BuchiCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-02-21 04:18:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-02-21 04:18:54,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:54,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 309 states and 391 transitions. Second operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 04:18:54,722 INFO L74 IsIncluded]: Start isIncluded. First operand 309 states and 391 transitions. Second operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 04:18:54,722 INFO L87 Difference]: Start difference. First operand 309 states and 391 transitions. Second operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 04:18:54,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,728 INFO L93 Difference]: Finished difference Result 309 states and 391 transitions. [2022-02-21 04:18:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:54,729 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:54,729 INFO L74 IsIncluded]: Start isIncluded. First operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 309 states and 391 transitions. [2022-02-21 04:18:54,730 INFO L87 Difference]: Start difference. First operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 309 states and 391 transitions. [2022-02-21 04:18:54,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:54,736 INFO L93 Difference]: Finished difference Result 309 states and 391 transitions. [2022-02-21 04:18:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:54,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:54,736 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:54,737 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.2653721682847896) internal successors, (391), 308 states have internal predecessors, (391), 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 04:18:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 391 transitions. [2022-02-21 04:18:54,742 INFO L704 BuchiCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-02-21 04:18:54,742 INFO L587 BuchiCegarLoop]: Abstraction has 309 states and 391 transitions. [2022-02-21 04:18:54,742 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:54,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 391 transitions. [2022-02-21 04:18:54,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-02-21 04:18:54,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:54,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:54,744 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:54,744 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, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:54,744 INFO L791 eck$LassoCheckResult]: Stem: 2787#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 2669#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 2670#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2610#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 2611#L1006 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 2786#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 2700#L885 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2630#L933 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2631#L441-2 [2022-02-21 04:18:54,745 INFO L793 eck$LassoCheckResult]: Loop: 2631#L441-2 assume !false; 2643#L442 assume test_~splverifierCounter~0#1 < 4; 2644#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 2711#L451 assume !(0 != test_~tmp~3#1); 2698#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 2588#L461 assume !(0 != test_~tmp___0~0#1); 2590#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 2641#L471 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 2642#L479 assume !(0 != test_~tmp___1~0#1); 2621#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2656#L648 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 2777#L943 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2671#L520 assume !(0 != ~pumpRunning~0); 2672#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2684#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 2685#L552-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 2650#L815-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 2651#L820-1 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 2708#L697-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 2724#L697-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 2690#L703-1 processEnvironment__wrappee__methaneQuery_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 2686#L556-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2591#L544-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2592#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2659#L578-1 assume { :end_inline_processEnvironment } true; 2689#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 2605#L807 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 2606#L954 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 2716#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2717#L537 assume { :end_inline_timeShift } true; 2631#L441-2 [2022-02-21 04:18:54,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:54,745 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:54,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:54,746 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247907974] [2022-02-21 04:18:54,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:54,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:54,756 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:54,764 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:54,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:54,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1981366705, now seen corresponding path program 1 times [2022-02-21 04:18:54,765 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:54,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43246671] [2022-02-21 04:18:54,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:54,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:54,796 INFO L290 TraceCheckUtils]: 0: Hoare triple {3518#true} assume !false; {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {3518#true} assume test_~splverifierCounter~0#1 < 4; {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {3518#true} test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 3: Hoare triple {3518#true} assume !(0 != test_~tmp~3#1); {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 4: Hoare triple {3518#true} test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 5: Hoare triple {3518#true} assume !(0 != test_~tmp___0~0#1); {3518#true} is VALID [2022-02-21 04:18:54,797 INFO L290 TraceCheckUtils]: 6: Hoare triple {3518#true} test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 7: Hoare triple {3518#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 8: Hoare triple {3518#true} assume !(0 != test_~tmp___1~0#1); {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 9: Hoare triple {3518#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 10: Hoare triple {3518#true} __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 11: Hoare triple {3518#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {3518#true} is VALID [2022-02-21 04:18:54,798 INFO L290 TraceCheckUtils]: 12: Hoare triple {3518#true} assume !(0 != ~pumpRunning~0); {3518#true} is VALID [2022-02-21 04:18:54,799 INFO L290 TraceCheckUtils]: 13: Hoare triple {3518#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {3518#true} is VALID [2022-02-21 04:18:54,799 INFO L290 TraceCheckUtils]: 14: Hoare triple {3518#true} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; {3518#true} is VALID [2022-02-21 04:18:54,799 INFO L290 TraceCheckUtils]: 15: Hoare triple {3518#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; {3518#true} is VALID [2022-02-21 04:18:54,800 INFO L290 TraceCheckUtils]: 16: Hoare triple {3518#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,800 INFO L290 TraceCheckUtils]: 17: Hoare triple {3520#(<= ~waterLevel~0 1)} isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,800 INFO L290 TraceCheckUtils]: 18: Hoare triple {3520#(<= ~waterLevel~0 1)} assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,800 INFO L290 TraceCheckUtils]: 19: Hoare triple {3520#(<= ~waterLevel~0 1)} isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,801 INFO L290 TraceCheckUtils]: 20: Hoare triple {3520#(<= ~waterLevel~0 1)} processEnvironment__wrappee__methaneQuery_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,801 INFO L290 TraceCheckUtils]: 21: Hoare triple {3520#(<= ~waterLevel~0 1)} assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,801 INFO L290 TraceCheckUtils]: 22: Hoare triple {3520#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__base } true; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,802 INFO L290 TraceCheckUtils]: 23: Hoare triple {3520#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,802 INFO L290 TraceCheckUtils]: 24: Hoare triple {3520#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {3520#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:54,803 INFO L290 TraceCheckUtils]: 25: Hoare triple {3520#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; {3521#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:54,805 INFO L290 TraceCheckUtils]: 26: Hoare triple {3521#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; {3522#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9#1| 1)} is VALID [2022-02-21 04:18:54,805 INFO L290 TraceCheckUtils]: 27: Hoare triple {3522#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); {3519#false} is VALID [2022-02-21 04:18:54,805 INFO L290 TraceCheckUtils]: 28: Hoare triple {3519#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {3519#false} is VALID [2022-02-21 04:18:54,806 INFO L290 TraceCheckUtils]: 29: Hoare triple {3519#false} assume { :end_inline_timeShift } true; {3519#false} is VALID [2022-02-21 04:18:54,806 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 04:18:54,806 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:54,806 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43246671] [2022-02-21 04:18:54,806 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43246671] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:54,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:54,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:54,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338518208] [2022-02-21 04:18:54,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:54,807 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:18:54,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:54,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:54,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:54,808 INFO L87 Difference]: Start difference. First operand 309 states and 391 transitions. cyclomatic complexity: 85 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 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 04:18:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:55,530 INFO L93 Difference]: Finished difference Result 865 states and 1072 transitions. [2022-02-21 04:18:55,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:55,531 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), 5 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 04:18:55,546 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 04:18:55,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 865 states and 1072 transitions. [2022-02-21 04:18:55,568 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 571 [2022-02-21 04:18:55,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 865 states to 865 states and 1072 transitions. [2022-02-21 04:18:55,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 865 [2022-02-21 04:18:55,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 865 [2022-02-21 04:18:55,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 865 states and 1072 transitions. [2022-02-21 04:18:55,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:55,590 INFO L681 BuchiCegarLoop]: Abstraction has 865 states and 1072 transitions. [2022-02-21 04:18:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states and 1072 transitions. [2022-02-21 04:18:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 607. [2022-02-21 04:18:55,598 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:55,600 INFO L82 GeneralOperation]: Start isEquivalent. First operand 865 states and 1072 transitions. Second operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 04:18:55,601 INFO L74 IsIncluded]: Start isIncluded. First operand 865 states and 1072 transitions. Second operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 04:18:55,602 INFO L87 Difference]: Start difference. First operand 865 states and 1072 transitions. Second operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 04:18:55,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:55,621 INFO L93 Difference]: Finished difference Result 865 states and 1072 transitions. [2022-02-21 04:18:55,621 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1072 transitions. [2022-02-21 04:18:55,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:55,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:55,624 INFO L74 IsIncluded]: Start isIncluded. First operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 865 states and 1072 transitions. [2022-02-21 04:18:55,625 INFO L87 Difference]: Start difference. First operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 865 states and 1072 transitions. [2022-02-21 04:18:55,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:55,645 INFO L93 Difference]: Finished difference Result 865 states and 1072 transitions. [2022-02-21 04:18:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1072 transitions. [2022-02-21 04:18:55,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:55,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:55,646 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:55,646 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:55,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 607 states have (on average 1.240527182866557) internal successors, (753), 606 states have internal predecessors, (753), 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 04:18:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 753 transitions. [2022-02-21 04:18:55,658 INFO L704 BuchiCegarLoop]: Abstraction has 607 states and 753 transitions. [2022-02-21 04:18:55,658 INFO L587 BuchiCegarLoop]: Abstraction has 607 states and 753 transitions. [2022-02-21 04:18:55,658 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:18:55,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 607 states and 753 transitions. [2022-02-21 04:18:55,660 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 435 [2022-02-21 04:18:55,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:55,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:55,661 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:55,661 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:55,661 INFO L791 eck$LassoCheckResult]: Stem: 4597#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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 4478#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~8#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4479#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4420#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 4421#L1006 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 4596#L913 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 4511#L885 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4440#L933 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 4441#L441-2 [2022-02-21 04:18:55,662 INFO L793 eck$LassoCheckResult]: Loop: 4441#L441-2 assume !false; 4453#L442 assume test_~splverifierCounter~0#1 < 4; 4454#L443 test_~tmp~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 4968#L451 assume !(0 != test_~tmp~3#1); 4966#L451-2 test_~tmp___0~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 4961#L461 assume !(0 != test_~tmp___0~0#1); 4958#L461-2 test_~tmp___2~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 4956#L471 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4944#L727 assume { :end_inline_startSystem } true; 4952#L479-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 4951#L648 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 4950#L943 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4480#L520 assume !(0 != ~pumpRunning~0); 4481#L520-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 4493#L578 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 4494#L552-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 4458#L815-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 4459#L820-1 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 4519#L697-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 4537#L697-5 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 4501#L703-1 processEnvironment__wrappee__methaneQuery_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret31#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret31#1; 4496#L556-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 4401#L544-2 assume { :end_inline_processEnvironment__wrappee__base } true; 4402#L552-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 4499#L578-1 assume { :end_inline_processEnvironment } true; 4500#L527-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 4414#L807 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 4415#L954 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 4934#L648-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 4594#L958 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 4528#L954-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4529#L537 assume { :end_inline_timeShift } true; 4441#L441-2 [2022-02-21 04:18:55,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:55,662 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-02-21 04:18:55,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:55,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456338019] [2022-02-21 04:18:55,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:55,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,678 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,686 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:55,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1966147110, now seen corresponding path program 1 times [2022-02-21 04:18:55,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:55,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839229324] [2022-02-21 04:18:55,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:55,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,694 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,701 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:55,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:55,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1369589565, now seen corresponding path program 1 times [2022-02-21 04:18:55,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:55,702 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443896178] [2022-02-21 04:18:55,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:55,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,715 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:55,733 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:58,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:58 BoogieIcfgContainer [2022-02-21 04:18:58,329 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:58,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:58,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:58,329 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:58,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:52" (3/4) ... [2022-02-21 04:18:58,331 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:58,374 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:58,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:58,376 INFO L158 Benchmark]: Toolchain (without parser) took 6984.11ms. Allocated memory was 83.9MB in the beginning and 207.6MB in the end (delta: 123.7MB). Free memory was 51.0MB in the beginning and 140.0MB in the end (delta: -89.0MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,376 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:58,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.89ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 50.9MB in the beginning and 77.2MB in the end (delta: -26.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.34ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 72.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,377 INFO L158 Benchmark]: Boogie Preprocessor took 48.70ms. Allocated memory is still 113.2MB. Free memory was 72.3MB in the beginning and 69.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,378 INFO L158 Benchmark]: RCFGBuilder took 616.21ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 66.3MB in the end (delta: 3.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,378 INFO L158 Benchmark]: BuchiAutomizer took 5785.23ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 66.3MB in the beginning and 142.1MB in the end (delta: -75.8MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,378 INFO L158 Benchmark]: Witness Printer took 45.49ms. Allocated memory is still 207.6MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:58,379 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 0.17ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 23.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.89ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 50.9MB in the beginning and 77.2MB in the end (delta: -26.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.34ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 72.3MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.70ms. Allocated memory is still 113.2MB. Free memory was 72.3MB in the beginning and 69.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 616.21ms. Allocated memory is still 113.2MB. Free memory was 69.6MB in the beginning and 66.3MB in the end (delta: 3.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 5785.23ms. Allocated memory was 113.2MB in the beginning and 207.6MB in the end (delta: 94.4MB). Free memory was 66.3MB in the beginning and 142.1MB in the end (delta: -75.8MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. * Witness Printer took 45.49ms. Allocated memory is still 207.6MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 607 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 606 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 607 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2408 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2408 mSDsluCounter, 3249 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2377 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 872 mSDtfsCounter, 169 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 441]: 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@4473bb07=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fa2db05=0, NULL=0, tmp___0=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7036e905=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cdaec95=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@149aaa71=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a84d614=0, tmp=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, \result=1, tmp=1, \result=1, retValue_acc=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54fe7af6=0, tmp=1, tmp___2=29, \result=0, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5551f16b=0, tmp___0=0, tmp=0, head=0, retValue_acc=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4194549b=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f792568=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@492d17a1=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 441]: 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; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L732] int waterLevel = 1; [L733] int methaneLevelCritical = 0; [L826] int cleanupTimeShifts = 4; [L927] int switchedOnBeforeTS ; [L904] int retValue_acc ; [L905] int tmp ; [L909] FCALL select_helpers() [L910] FCALL select_features() [L911] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] return (retValue_acc); [L911] RET, EXPR valid_product() [L911] tmp = valid_product() [L913] COND TRUE \read(tmp) [L915] FCALL setup() [L916] CALL runTest() [L894] CALL __utac_acc__Specification5_spec__1() [L932] switchedOnBeforeTS = 0 [L894] RET __utac_acc__Specification5_spec__1() [L895] CALL test() [L432] int splverifierCounter ; [L433] int tmp ; [L434] int tmp___0 ; [L435] int tmp___1 ; [L436] int tmp___2 ; [L439] splverifierCounter = 0 Loop: [L441] COND TRUE 1 [L443] COND TRUE splverifierCounter < 4 [L449] tmp = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp)) [L459] tmp___0 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___0)) [L469] tmp___2 = __VERIFIER_nondet_int() [L471] COND TRUE \read(tmp___2) [L473] CALL startSystem() [L726] systemActive = 1 [L473] RET startSystem() [L488] CALL timeShift() [L518] CALL __utac_acc__Specification5_spec__2() [L941] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L941] RET, EXPR isPumpRunning() [L941] switchedOnBeforeTS = isPumpRunning() [L518] RET __utac_acc__Specification5_spec__2() [L520] COND FALSE !(\read(pumpRunning)) [L527] COND TRUE \read(systemActive) [L529] CALL processEnvironment() [L575] int tmp ; [L578] COND FALSE !(\read(pumpRunning)) [L593] CALL processEnvironment__wrappee__methaneQuery() [L549] int tmp ; [L552] COND TRUE ! pumpRunning [L554] CALL, EXPR isHighWaterLevel() [L689] int retValue_acc ; [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR isHighWaterSensorDry() [L812] int retValue_acc ; [L815] COND TRUE waterLevel < 2 [L816] retValue_acc = 1 [L817] return (retValue_acc); [L695] RET, EXPR isHighWaterSensorDry() [L695] tmp = isHighWaterSensorDry() [L697] COND TRUE \read(tmp) [L698] tmp___0 = 0 [L702] retValue_acc = tmp___0 [L703] return (retValue_acc); [L554] RET, EXPR isHighWaterLevel() [L554] tmp = isHighWaterLevel() [L556] COND FALSE !(\read(tmp)) [L562] FCALL processEnvironment__wrappee__base() [L593] RET processEnvironment__wrappee__methaneQuery() [L529] RET processEnvironment() [L535] CALL __utac_acc__Specification5_spec__3() [L947] int tmp ; [L948] int tmp___0 ; [L952] CALL, EXPR getWaterLevel() [L803] int retValue_acc ; [L806] retValue_acc = waterLevel [L807] return (retValue_acc); [L952] RET, EXPR getWaterLevel() [L952] tmp = getWaterLevel() [L954] COND TRUE tmp != 2 [L956] CALL, EXPR isPumpRunning() [L644] int retValue_acc ; [L647] retValue_acc = pumpRunning [L648] return (retValue_acc); [L956] RET, EXPR isPumpRunning() [L956] tmp___0 = isPumpRunning() [L958] COND FALSE !(\read(tmp___0)) [L535] RET __utac_acc__Specification5_spec__3() [L488] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:58,428 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)