./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 940a6c0753395d96116ae06c1efb8d37a63bc3d5 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 16:21:04,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:21:04,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:21:04,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:21:04,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:21:04,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:21:04,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:21:04,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:21:04,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:21:04,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:21:04,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:21:04,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:21:04,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:21:04,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:21:04,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:21:04,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:21:04,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:21:04,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:21:04,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:21:04,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:21:04,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:21:04,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:21:04,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:21:04,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:21:04,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:21:04,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:21:04,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:21:04,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:21:04,896 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:21:04,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:21:04,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:21:04,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:21:04,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:21:04,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:21:04,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:21:04,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:21:04,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:21:04,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:21:04,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:21:04,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:21:04,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:21:04,912 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:21:04,944 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:21:04,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:21:04,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:21:04,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:21:04,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:21:04,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:21:04,948 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:21:04,948 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:21:04,948 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:21:04,949 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:21:04,949 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:21:04,949 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:21:04,950 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:21:04,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:21:04,950 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:21:04,950 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:21:04,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:21:04,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:21:04,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:21:04,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:21:04,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:21:04,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:21:04,952 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:21:04,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:21:04,952 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:21:04,952 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:21:04,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:21:04,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:21:04,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:21:04,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:21:04,953 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:21:04,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:21:04,954 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:21:04,954 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 940a6c0753395d96116ae06c1efb8d37a63bc3d5 [2021-08-27 16:21:05,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:21:05,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:21:05,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:21:05,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:21:05,309 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:21:05,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2021-08-27 16:21:05,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e766bd3e/dfd0ce09916547d18d754f1cb607aeb5/FLAG06ee99b6a [2021-08-27 16:21:05,838 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:21:05,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product09.cil.c [2021-08-27 16:21:05,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e766bd3e/dfd0ce09916547d18d754f1cb607aeb5/FLAG06ee99b6a [2021-08-27 16:21:05,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e766bd3e/dfd0ce09916547d18d754f1cb607aeb5 [2021-08-27 16:21:05,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:21:05,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:21:05,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:21:05,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:21:05,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:21:05,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:21:05" (1/1) ... [2021-08-27 16:21:05,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f77f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:05, skipping insertion in model container [2021-08-27 16:21:05,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:21:05" (1/1) ... [2021-08-27 16:21:05,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:21:05,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:21:06,156 WARN L228 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_product09.cil.c[5039,5052] [2021-08-27 16:21:06,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:21:06,223 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:21:06,245 WARN L228 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_product09.cil.c[5039,5052] [2021-08-27 16:21:06,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:21:06,299 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:21:06,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06 WrapperNode [2021-08-27 16:21:06,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:21:06,301 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:21:06,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:21:06,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:21:06,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:21:06,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:21:06,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:21:06,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:21:06,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:21:06,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:21:06,384 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:21:06,384 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:21:06,385 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (1/1) ... [2021-08-27 16:21:06,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:21:06,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:21:06,417 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) [2021-08-27 16:21:06,434 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 [2021-08-27 16:21:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:21:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:21:06,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:21:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:21:07,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:21:07,163 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-08-27 16:21:07,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:21:07 BoogieIcfgContainer [2021-08-27 16:21:07,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:21:07,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:21:07,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:21:07,168 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:21:07,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:21:07,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:21:05" (1/3) ... [2021-08-27 16:21:07,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@261212d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:21:07, skipping insertion in model container [2021-08-27 16:21:07,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:21:07,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:21:06" (2/3) ... [2021-08-27 16:21:07,170 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@261212d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:21:07, skipping insertion in model container [2021-08-27 16:21:07,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:21:07,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:21:07" (3/3) ... [2021-08-27 16:21:07,172 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09.cil.c [2021-08-27 16:21:07,210 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:21:07,211 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:21:07,211 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:21:07,211 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:21:07,211 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:21:07,211 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:21:07,211 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:21:07,212 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:21:07,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-08-27 16:21:07,242 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 16:21:07,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:21:07,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:21:07,249 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:07,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:07,249 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:21:07,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-08-27 16:21:07,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-27 16:21:07,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:21:07,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:21:07,254 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:07,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:07,258 INFO L791 eck$LassoCheckResult]: Stem: 53#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 42#L-1true havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 63#L827true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 55#L835true main_#t~ret39 := valid_product_#res;main_~tmp~2 := main_#t~ret39;havoc main_#t~ret39; 41#L425true assume 0 != main_~tmp~2; 57#L397true ~switchedOnBeforeTS~0 := 0; 17#L846true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 7#L867-1true [2021-08-27 16:21:07,259 INFO L793 eck$LassoCheckResult]: Loop: 7#L867-1true assume !false; 43#L275true assume test_~splverifierCounter~0 < 4; 5#L276true test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 59#L284true assume !(0 != test_~tmp~1); 51#L284-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 50#L294true assume !(0 != test_~tmp___0~0); 21#L294-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 31#L304true assume 0 != test_~tmp___2~0; 6#L310-2true havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 18#L222true __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 61#L856true assume !(0 != ~pumpRunning~0); 58#L145true assume 0 != ~systemActive~0; 32#L152true havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 24#L123true __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 47#L867true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 7#L867-1true [2021-08-27 16:21:07,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:07,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-27 16:21:07,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:07,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17645471] [2021-08-27 16:21:07,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:07,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:07,496 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:21:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:07,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:21:07,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:07,597 INFO L82 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2021-08-27 16:21:07,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:07,599 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131964245] [2021-08-27 16:21:07,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:07,599 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:07,621 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:21:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:07,630 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:21:07,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:07,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2021-08-27 16:21:07,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:07,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087140033] [2021-08-27 16:21:07,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:07,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 16:21:07,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 16:21:07,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 16:21:07,826 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087140033] [2021-08-27 16:21:07,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087140033] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 16:21:07,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 16:21:07,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 16:21:07,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057542046] [2021-08-27 16:21:08,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 16:21:08,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 16:21:08,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-27 16:21:08,127 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-08-27 16:21:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 16:21:08,314 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-08-27 16:21:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 16:21:08,316 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-08-27 16:21:08,331 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-08-27 16:21:08,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-08-27 16:21:08,339 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-08-27 16:21:08,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-08-27 16:21:08,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-08-27 16:21:08,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 16:21:08,344 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-08-27 16:21:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-08-27 16:21:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-08-27 16:21:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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) [2021-08-27 16:21:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-08-27 16:21:08,382 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-08-27 16:21:08,382 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-08-27 16:21:08,382 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 16:21:08,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-08-27 16:21:08,384 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-08-27 16:21:08,384 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:21:08,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:21:08,385 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:08,385 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:21:08,386 INFO L791 eck$LassoCheckResult]: Stem: 309#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 300#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 301#L827 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 310#L835 main_#t~ret39 := valid_product_#res;main_~tmp~2 := main_#t~ret39;havoc main_#t~ret39; 298#L425 assume 0 != main_~tmp~2; 299#L397 ~switchedOnBeforeTS~0 := 0; 261#L846 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 250#L867-1 [2021-08-27 16:21:08,387 INFO L793 eck$LassoCheckResult]: Loop: 250#L867-1 assume !false; 251#L275 assume test_~splverifierCounter~0 < 4; 246#L276 test_~tmp~1 := test_#t~nondet35;havoc test_#t~nondet35; 247#L284 assume !(0 != test_~tmp~1); 348#L284-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 347#L294 assume !(0 != test_~tmp___0~0); 345#L294-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 344#L304 assume 0 != test_~tmp___2~0; 342#L310-2 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 341#L222 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 340#L856 assume !(0 != ~pumpRunning~0); 339#L145 assume 0 != ~systemActive~0; 284#L152 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 285#L123 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 304#L867 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 305#L222-1 __utac_acc__Specification5_spec__3_#t~ret78 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 287#L871 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 250#L867-1 [2021-08-27 16:21:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:08,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-27 16:21:08,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:08,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419213853] [2021-08-27 16:21:08,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:08,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:21:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,515 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:21:08,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:08,522 INFO L82 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2021-08-27 16:21:08,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:08,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569525469] [2021-08-27 16:21:08,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:08,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,529 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:21:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:21:08,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:21:08,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2021-08-27 16:21:08,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:21:08,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65040696] [2021-08-27 16:21:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:21:08,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:21:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,563 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:21:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:21:08,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:21:50,426 WARN L207 SmtUtils]: Spent 41.46 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-27 16:22:32,703 WARN L207 SmtUtils]: Spent 20.69 s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-27 16:22:32,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:22:32 BoogieIcfgContainer [2021-08-27 16:22:32,794 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:22:32,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:22:32,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:22:32,795 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:22:32,796 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:21:07" (3/4) ... [2021-08-27 16:22:32,797 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 16:22:32,831 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 16:22:32,832 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:22:32,833 INFO L168 Benchmark]: Toolchain (without parser) took 86957.54 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.9 MB in the beginning and 36.9 MB in the end (delta: -6.0 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,833 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 36.9 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:22:32,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.02 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 42.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,834 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.32 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 39.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,835 INFO L168 Benchmark]: Boogie Preprocessor took 26.49 ms. Allocated memory is still 67.1 MB. Free memory was 39.7 MB in the beginning and 37.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,835 INFO L168 Benchmark]: RCFGBuilder took 780.79 ms. Allocated memory is still 67.1 MB. Free memory was 37.8 MB in the beginning and 43.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,836 INFO L168 Benchmark]: BuchiAutomizer took 85628.95 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.8 MB in the beginning and 38.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,837 INFO L168 Benchmark]: Witness Printer took 36.92 ms. Allocated memory is still 98.6 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:22:32,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 36.9 MB in the end (delta: 36.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 423.02 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 42.4 MB in the end (delta: -11.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.32 ms. Allocated memory is still 67.1 MB. Free memory was 42.4 MB in the beginning and 39.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.49 ms. Allocated memory is still 67.1 MB. Free memory was 39.7 MB in the beginning and 37.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 780.79 ms. Allocated memory is still 67.1 MB. Free memory was 37.8 MB in the beginning and 43.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 85628.95 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 42.8 MB in the beginning and 38.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. * Witness Printer took 36.92 ms. Allocated memory is still 98.6 MB. Free memory was 38.9 MB in the beginning and 36.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 85.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 85.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 27.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 86.8ms Time 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: 274]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10216} State at position 1 is {NULL=0, NULL=0, NULL=10249, NULL=0, NULL=10216, retValue_acc=0, NULL=10239, NULL=0, NULL=0, NULL=10233, NULL=10238, methaneLevelCritical=0, NULL=10218, tmp=1, NULL=0, NULL=0, NULL=10231, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56311537=0, NULL=0, NULL=0, NULL=0, NULL=10234, NULL=10248, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40293b1c=0, cleanupTimeShifts=4, NULL=10251, tmp=0, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26b7d5ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b0d0efa=76, NULL=10230, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31ef31ea=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@778cbe1a=0, NULL=0, systemActive=1, waterLevel=1, NULL=10242, \result=1, NULL=0, NULL=0, NULL=0, NULL=10247, NULL=0, NULL=10229, NULL=0, tmp___0=0, NULL=10240, NULL=0, NULL=10228, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, tmp___0=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c07ca41=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b553d2f=0, NULL=0, NULL=10236, retValue_acc=1, NULL=10243, NULL=10235, NULL=0, NULL=0, NULL=10217, tmp___2=76, NULL=10245, NULL=10241, splverifierCounter=0, NULL=0, NULL=0, NULL=10227, NULL=10237, NULL=10246, head=0, NULL=0, NULL=0, NULL=10244, NULL=0, NULL=0, NULL=10250, NULL=10226, NULL=0, NULL=10232, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L338] int cleanupTimeShifts = 4; [L608] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L840] int switchedOnBeforeTS ; [L416] int retValue_acc ; [L417] int tmp ; [L831] int retValue_acc ; [L834] retValue_acc = 1 [L835] return (retValue_acc); [L423] tmp = valid_product() [L425] COND TRUE \read(tmp) [L845] switchedOnBeforeTS = 0 [L265] int splverifierCounter ; [L266] int tmp ; [L267] int tmp___0 ; [L268] int tmp___1 ; [L269] int tmp___2 ; [L272] splverifierCounter = 0 Loop: [L274] COND TRUE 1 [L276] COND TRUE splverifierCounter < 4 [L282] tmp = __VERIFIER_nondet_int() [L284] COND FALSE !(\read(tmp)) [L292] tmp___0 = __VERIFIER_nondet_int() [L294] COND FALSE !(\read(tmp___0)) [L302] tmp___2 = __VERIFIER_nondet_int() [L304] COND TRUE \read(tmp___2) [L218] int retValue_acc ; [L221] retValue_acc = pumpRunning [L222] return (retValue_acc); [L854] switchedOnBeforeTS = isPumpRunning() [L145] COND FALSE !(\read(pumpRunning)) [L152] COND TRUE \read(systemActive) [L860] int tmp ; [L861] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L865] tmp = getWaterLevel() [L867] COND TRUE tmp != 2 [L218] int retValue_acc ; [L221] retValue_acc = pumpRunning [L222] return (retValue_acc); [L869] tmp___0 = isPumpRunning() [L871] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 16:22:32,891 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...