./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product29.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 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:46,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:46,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:46,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:46,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:46,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:46,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:46,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:46,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:46,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:46,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:46,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:46,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:46,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:46,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:46,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:46,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:46,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:46,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:46,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:46,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:46,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:46,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:46,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:46,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:46,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:46,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:46,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:46,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:46,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:46,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:46,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:46,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:46,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:46,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:46,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:46,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:46,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:46,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:46,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:46,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:46,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:46,158 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:46,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:46,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:46,159 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:46,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:46,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:46,160 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:46,160 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:46,160 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:46,160 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:46,161 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:46,161 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:46,161 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:46,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:46,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:46,163 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:46,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:46,163 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:46,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:46,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:46,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:46,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:46,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:46,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:46,165 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:46,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8db025334db2e06ebc154a332660702acdbfca34e28313be5c0c817acc07c5f4 [2022-02-21 04:17:46,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:46,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:46,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:46,411 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:46,412 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:46,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-02-21 04:17:46,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e4fa48f/b360c83875324e30aa289d223617d836/FLAG95db0be54 [2022-02-21 04:17:46,877 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:46,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c [2022-02-21 04:17:46,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e4fa48f/b360c83875324e30aa289d223617d836/FLAG95db0be54 [2022-02-21 04:17:46,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34e4fa48f/b360c83875324e30aa289d223617d836 [2022-02-21 04:17:46,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:46,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:46,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:46,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:46,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:46,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4545730d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:46, skipping insertion in model container [2022-02-21 04:17:46,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:46" (1/1) ... [2022-02-21 04:17:46,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:46,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:47,143 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-02-21 04:17:47,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:47,253 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:47,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product29.cil.c[2984,2997] [2022-02-21 04:17:47,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:47,356 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:47,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47 WrapperNode [2022-02-21 04:17:47,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:47,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:47,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:47,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:47,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,426 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 77, statements flattened = 557 [2022-02-21 04:17:47,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:47,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:47,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:47,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:47,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:47,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:47,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:47,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:47,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (1/1) ... [2022-02-21 04:17:47,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:47,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:17:47,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:17:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:47,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:47,627 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:47,628 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:47,969 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:47,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:47,975 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:47,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47 BoogieIcfgContainer [2022-02-21 04:17:47,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:47,979 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:47,979 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:47,982 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:47,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:46" (1/3) ... [2022-02-21 04:17:47,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64d469ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:47, skipping insertion in model container [2022-02-21 04:17:47,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:47" (2/3) ... [2022-02-21 04:17:47,984 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64d469ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:47, skipping insertion in model container [2022-02-21 04:17:47,984 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:47,984 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47" (3/3) ... [2022-02-21 04:17:47,985 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2022-02-21 04:17:48,014 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:48,014 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:48,030 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:48,030 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:48,030 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:48,030 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:48,030 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:48,030 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:48,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:48,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-02-21 04:17:48,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:48,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:48,104 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,104 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,104 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:48,105 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:48,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-02-21 04:17:48,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:48,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:48,114 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,114 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:48,118 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 42#L613true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 17#L606true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 73#L621true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 84#L908true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 65#L885true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#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; 18#L533-2true [2022-02-21 04:17:48,120 INFO L793 eck$LassoCheckResult]: Loop: 18#L533-2true assume !false; 107#L534true assume test_~splverifierCounter~0#1 < 4; 106#L535true test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 53#L543true assume !(0 != test_~tmp~3#1); 145#L543-2true test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 92#L553true assume !(0 != test_~tmp___0~0#1); 87#L553-2true test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 79#L563true assume 0 != test_~tmp___2~0#1; 97#L569-2true assume { :begin_inline_timeShift } true; 120#L638true assume !(0 != ~pumpRunning~0); 9#L638-2true assume !(0 != ~systemActive~0); 131#L645-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 144#L132true __utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 77#L930true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 142#L930-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 34#L655true assume { :end_inline_timeShift } true; 18#L533-2true [2022-02-21 04:17:48,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:48,131 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,131 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083909743] [2022-02-21 04:17:48,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,226 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,286 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:48,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,289 INFO L85 PathProgramCache]: Analyzing trace with hash 679870084, now seen corresponding path program 1 times [2022-02-21 04:17:48,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,290 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509544539] [2022-02-21 04:17:48,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:48,329 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash 2035289160, now seen corresponding path program 1 times [2022-02-21 04:17:48,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:48,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531155675] [2022-02-21 04:17:48,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:48,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:48,488 INFO L290 TraceCheckUtils]: 0: Hoare triple {158#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {160#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:48,489 INFO L290 TraceCheckUtils]: 1: Hoare triple {160#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; {160#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:48,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {160#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {160#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:48,490 INFO L290 TraceCheckUtils]: 3: Hoare triple {160#(= 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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {161#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:48,491 INFO L290 TraceCheckUtils]: 4: Hoare triple {161#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; {162#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} is VALID [2022-02-21 04:17:48,492 INFO L290 TraceCheckUtils]: 5: Hoare triple {162#(= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)} assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {163#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#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; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,493 INFO L290 TraceCheckUtils]: 7: Hoare triple {163#(not (= 0 ~systemActive~0))} assume !false; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,493 INFO L290 TraceCheckUtils]: 8: Hoare triple {163#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,494 INFO L290 TraceCheckUtils]: 9: Hoare triple {163#(not (= 0 ~systemActive~0))} test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,495 INFO L290 TraceCheckUtils]: 10: Hoare triple {163#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~3#1); {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,496 INFO L290 TraceCheckUtils]: 11: Hoare triple {163#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,496 INFO L290 TraceCheckUtils]: 12: Hoare triple {163#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,497 INFO L290 TraceCheckUtils]: 13: Hoare triple {163#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,497 INFO L290 TraceCheckUtils]: 14: Hoare triple {163#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,498 INFO L290 TraceCheckUtils]: 15: Hoare triple {163#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,498 INFO L290 TraceCheckUtils]: 16: Hoare triple {163#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {163#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:48,498 INFO L290 TraceCheckUtils]: 17: Hoare triple {163#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {159#false} is VALID [2022-02-21 04:17:48,499 INFO L290 TraceCheckUtils]: 18: Hoare triple {159#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; {159#false} is VALID [2022-02-21 04:17:48,499 INFO L290 TraceCheckUtils]: 19: Hoare triple {159#false} __utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; {159#false} is VALID [2022-02-21 04:17:48,499 INFO L290 TraceCheckUtils]: 20: Hoare triple {159#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); {159#false} is VALID [2022-02-21 04:17:48,500 INFO L290 TraceCheckUtils]: 21: Hoare triple {159#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {159#false} is VALID [2022-02-21 04:17:48,500 INFO L290 TraceCheckUtils]: 22: Hoare triple {159#false} assume { :end_inline_timeShift } true; {159#false} is VALID [2022-02-21 04:17:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:48,502 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:48,503 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531155675] [2022-02-21 04:17:48,503 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531155675] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:48,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:48,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:48,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572724084] [2022-02-21 04:17:48,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:48,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:48,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:48,655 INFO L87 Difference]: Start difference. First operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:48,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:48,982 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2022-02-21 04:17:48,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:17:48,983 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:49,002 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:49,006 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2022-02-21 04:17:49,013 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-02-21 04:17:49,021 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2022-02-21 04:17:49,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2022-02-21 04:17:49,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2022-02-21 04:17:49,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2022-02-21 04:17:49,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:49,025 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-02-21 04:17:49,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2022-02-21 04:17:49,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2022-02-21 04:17:49,050 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:49,053 INFO L82 GeneralOperation]: Start isEquivalent. First operand 137 states and 177 transitions. Second operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:49,054 INFO L74 IsIncluded]: Start isIncluded. First operand 137 states and 177 transitions. Second operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:49,056 INFO L87 Difference]: Start difference. First operand 137 states and 177 transitions. Second operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:49,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:49,064 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-02-21 04:17:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 177 transitions. [2022-02-21 04:17:49,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:49,065 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:49,066 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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 137 states and 177 transitions. [2022-02-21 04:17:49,066 INFO L87 Difference]: Start difference. First operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 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 137 states and 177 transitions. [2022-02-21 04:17:49,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:49,069 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-02-21 04:17:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 177 transitions. [2022-02-21 04:17:49,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:49,070 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:49,070 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:49,071 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:49,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2022-02-21 04:17:49,075 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-02-21 04:17:49,075 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2022-02-21 04:17:49,075 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:49,075 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2022-02-21 04:17:49,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2022-02-21 04:17:49,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:49,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:49,077 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:49,077 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] [2022-02-21 04:17:49,077 INFO L791 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 381#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 379#L613 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 336#L606 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 337#L621 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 419#L908 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true; 410#L885 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#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; 344#L533-2 [2022-02-21 04:17:49,077 INFO L793 eck$LassoCheckResult]: Loop: 344#L533-2 assume !false; 345#L534 assume test_~splverifierCounter~0#1 < 4; 438#L535 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 396#L543 assume !(0 != test_~tmp~3#1); 398#L543-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 430#L553 assume !(0 != test_~tmp___0~0#1); 318#L553-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 424#L563 assume 0 != test_~tmp___2~0#1; 370#L569-2 assume { :begin_inline_timeShift } true; 433#L638 assume !(0 != ~pumpRunning~0); 324#L638-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 325#L696 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 319#L670-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 320#L662-3 assume { :end_inline_processEnvironment__wrappee__base } true; 395#L670-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 335#L696-1 assume { :end_inline_processEnvironment } true; 444#L645-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret51#1, __utac_acc__Specification4_spec__1_#t~ret52#1, __utac_acc__Specification4_spec__1_~tmp~9#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~9#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 449#L132 __utac_acc__Specification4_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret51#1;havoc __utac_acc__Specification4_spec__1_#t~ret51#1; 421#L930 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 422#L930-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 366#L655 assume { :end_inline_timeShift } true; 344#L533-2 [2022-02-21 04:17:49,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:49,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:49,078 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:49,078 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240618749] [2022-02-21 04:17:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,091 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,102 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:49,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1867519298, now seen corresponding path program 1 times [2022-02-21 04:17:49,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:49,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297125823] [2022-02-21 04:17:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:49,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,108 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,111 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:49,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1415850118, now seen corresponding path program 1 times [2022-02-21 04:17:49,112 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:49,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487928883] [2022-02-21 04:17:49,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:49,148 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:51,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:51 BoogieIcfgContainer [2022-02-21 04:17:51,862 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:51,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:51,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:51,862 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:51,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:47" (3/4) ... [2022-02-21 04:17:51,864 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:51,919 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:51,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:51,921 INFO L158 Benchmark]: Toolchain (without parser) took 5015.29ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 66.6MB in the beginning and 144.1MB in the end (delta: -77.5MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,921 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:51,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.13ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 66.4MB in the beginning and 104.7MB in the end (delta: -38.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.77ms. Allocated memory is still 140.5MB. Free memory was 104.7MB in the beginning and 100.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,922 INFO L158 Benchmark]: Boogie Preprocessor took 56.88ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 98.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,923 INFO L158 Benchmark]: RCFGBuilder took 490.28ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 74.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,923 INFO L158 Benchmark]: BuchiAutomizer took 3882.91ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 74.3MB in the beginning and 146.2MB in the end (delta: -71.9MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,923 INFO L158 Benchmark]: Witness Printer took 57.66ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:51,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.13ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 66.4MB in the beginning and 104.7MB in the end (delta: -38.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.77ms. Allocated memory is still 140.5MB. Free memory was 104.7MB in the beginning and 100.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.88ms. Allocated memory is still 140.5MB. Free memory was 100.6MB in the beginning and 98.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.28ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 74.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3882.91ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 74.3MB in the beginning and 146.2MB in the end (delta: -71.9MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * Witness Printer took 57.66ms. Allocated memory is still 184.5MB. Free memory was 146.2MB in the beginning and 144.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 137 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 533]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@674b7b35=29, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69bb30af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7933cb88=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68fc97b3=0, tmp___0=0, tmp=0, methaneLevelCritical=0, tmp=1, retValue_acc=1, retValue_acc=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4deb699f=0, tmp=1, tmp___2=29, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@784fea4d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2e1bcc=0, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73ca9f2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ca1bd98=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 533]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L324] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L630] int pumpRunning = 0; [L631] int systemActive = 1; [L826] int cleanupTimeShifts = 4; [L899] int retValue_acc ; [L900] int tmp ; [L904] FCALL select_helpers() [L905] FCALL select_features() [L906] CALL, EXPR valid_product() [L617] int retValue_acc ; [L620] retValue_acc = 1 [L621] return (retValue_acc); [L906] RET, EXPR valid_product() [L906] tmp = valid_product() [L908] COND TRUE \read(tmp) [L910] FCALL setup() [L911] CALL runTest() [L893] CALL test() [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 Loop: [L533] COND TRUE 1 [L535] COND TRUE splverifierCounter < 4 [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND TRUE \read(tmp___2) [L576] CALL timeShift() [L638] COND FALSE !(\read(pumpRunning)) [L645] COND TRUE \read(systemActive) [L647] CALL processEnvironment() [L693] int tmp ; [L696] COND FALSE !(\read(pumpRunning)) [L711] CALL processEnvironment__wrappee__methaneQuery() [L667] int tmp ; [L670] COND FALSE !(\read(pumpRunning)) [L685] FCALL processEnvironment__wrappee__base() [L711] RET processEnvironment__wrappee__methaneQuery() [L647] RET processEnvironment() [L653] CALL __utac_acc__Specification4_spec__1() [L923] int tmp ; [L924] int tmp___0 ; [L928] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L928] RET, EXPR getWaterLevel() [L928] tmp = getWaterLevel() [L930] COND FALSE !(tmp == 0) [L653] RET __utac_acc__Specification4_spec__1() [L576] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:51,978 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)