./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_spec4_product47.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 0619cf376c55d0c5059a9fcafc1519de09a8e72548b38d7587e0bc4190ad2779 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:18:54,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:18:54,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:18:54,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:18:54,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:18:54,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:18:54,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:18:54,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:18:54,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:18:54,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:18:54,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:18:54,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:18:54,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:18:54,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:18:54,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:18:54,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:18:54,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:18:54,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:18:54,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:18:54,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:18:54,189 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:18:54,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:18:54,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:18:54,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:18:54,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:18:54,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:18:54,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:18:54,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:18:54,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:18:54,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:18:54,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:18:54,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:18:54,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:18:54,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:18:54,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:18:54,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:18:54,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:18:54,219 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:18:54,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:18:54,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:18:54,220 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:18:54,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:18:54,223 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:18:54,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:18:54,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:18:54,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:18:54,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:18:54,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:18:54,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:18:54,255 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:18:54,255 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:18:54,256 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:18:54,256 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:18:54,257 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:18:54,257 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:18:54,257 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:18:54,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:18:54,257 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:18:54,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:18:54,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:18:54,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:18:54,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:18:54,259 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:18:54,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:18:54,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:18:54,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:18:54,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:18:54,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:18:54,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:18:54,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:18:54,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0619cf376c55d0c5059a9fcafc1519de09a8e72548b38d7587e0bc4190ad2779 [2022-07-13 04:18:54,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:18:54,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:18:54,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:18:54,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:18:54,536 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:18:54,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product47.cil.c [2022-07-13 04:18:54,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab5774/8ef07e249a67451d8a554177bae84e37/FLAGe19334a30 [2022-07-13 04:18:55,092 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:18:55,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product47.cil.c [2022-07-13 04:18:55,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab5774/8ef07e249a67451d8a554177bae84e37/FLAGe19334a30 [2022-07-13 04:18:55,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46fab5774/8ef07e249a67451d8a554177bae84e37 [2022-07-13 04:18:55,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:18:55,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:18:55,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:18:55,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:18:55,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:18:55,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9fc4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55, skipping insertion in model container [2022-07-13 04:18:55,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:18:55,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:18:55,764 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_product47.cil.c[16710,16723] [2022-07-13 04:18:55,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:18:55,795 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:18:55,850 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_product47.cil.c[16710,16723] [2022-07-13 04:18:55,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:18:55,872 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:18:55,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55 WrapperNode [2022-07-13 04:18:55,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:18:55,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:18:55,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:18:55,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:18:55,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,953 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 54, calls inlined = 97, statements flattened = 714 [2022-07-13 04:18:55,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:18:55,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:18:55,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:18:55,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:18:55,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:55,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:56,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:56,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:18:56,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:18:56,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:18:56,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:18:56,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (1/1) ... [2022-07-13 04:18:56,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:18:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:18:56,041 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) [2022-07-13 04:18:56,055 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 [2022-07-13 04:18:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:18:56,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:18:56,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:18:56,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:18:56,199 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:18:56,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:18:56,651 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:18:56,662 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:18:56,663 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:18:56,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:56 BoogieIcfgContainer [2022-07-13 04:18:56,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:18:56,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:18:56,669 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:18:56,671 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:18:56,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:56,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:18:55" (1/3) ... [2022-07-13 04:18:56,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fbbec2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:18:56, skipping insertion in model container [2022-07-13 04:18:56,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:56,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:55" (2/3) ... [2022-07-13 04:18:56,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fbbec2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:18:56, skipping insertion in model container [2022-07-13 04:18:56,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:56,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:56" (3/3) ... [2022-07-13 04:18:56,676 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2022-07-13 04:18:56,737 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:18:56,738 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:18:56,738 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:18:56,738 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:18:56,738 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:18:56,738 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:18:56,738 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:18:56,739 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:18:56,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 184 states, 183 states have (on average 1.355191256830601) internal successors, (248), 183 states have internal predecessors, (248), 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) [2022-07-13 04:18:56,786 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2022-07-13 04:18:56,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:56,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:56,792 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:56,792 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:56,793 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:18:56,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 184 states, 183 states have (on average 1.355191256830601) internal successors, (248), 183 states have internal predecessors, (248), 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) [2022-07-13 04:18:56,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2022-07-13 04:18:56,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:56,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:56,813 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:56,814 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:56,823 INFO L752 eck$LassoCheckResult]: Stem: 166#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 62#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 149#L865true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 114#L858true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 65#L873true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 88#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 162#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L165-2true [2022-07-13 04:18:56,824 INFO L754 eck$LassoCheckResult]: Loop: 32#L165-2true assume !false; 131#L166true assume test_~splverifierCounter~0#1 < 4; 29#L167true test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 5#L175true assume !(0 != test_~tmp~1#1); 112#L175-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 142#L185true assume !(0 != test_~tmp___0~0#1); 71#L185-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 156#L195true assume 0 != test_~tmp___2~0#1; 163#L201-2true assume { :begin_inline_timeShift } true; 150#L237true assume !(0 != ~pumpRunning~0); 66#L237-2true assume !(0 != ~systemActive~0); 42#L244-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#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~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 182#L953true __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 109#L816true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 81#L816-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 87#L254true assume { :end_inline_timeShift } true; 32#L165-2true [2022-07-13 04:18:56,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:56,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:18:56,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:56,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859454600] [2022-07-13 04:18:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:56,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:57,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash 879808708, now seen corresponding path program 1 times [2022-07-13 04:18:57,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743769874] [2022-07-13 04:18:57,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,072 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,081 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:57,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2059739512, now seen corresponding path program 1 times [2022-07-13 04:18:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860763586] [2022-07-13 04:18:57,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:18:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:18:57,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:18:57,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860763586] [2022-07-13 04:18:57,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860763586] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:18:57,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:18:57,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:18:57,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602729558] [2022-07-13 04:18:57,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:18:57,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:18:57,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:18:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:18:57,386 INFO L87 Difference]: Start difference. First operand has 184 states, 183 states have (on average 1.355191256830601) internal successors, (248), 183 states have internal predecessors, (248), 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) [2022-07-13 04:18:57,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:18:57,501 INFO L93 Difference]: Finished difference Result 419 states and 545 transitions. [2022-07-13 04:18:57,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:18:57,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 545 transitions. [2022-07-13 04:18:57,510 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 271 [2022-07-13 04:18:57,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 389 states and 515 transitions. [2022-07-13 04:18:57,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 389 [2022-07-13 04:18:57,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 389 [2022-07-13 04:18:57,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 389 states and 515 transitions. [2022-07-13 04:18:57,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:18:57,526 INFO L369 hiAutomatonCegarLoop]: Abstraction has 389 states and 515 transitions. [2022-07-13 04:18:57,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states and 515 transitions. [2022-07-13 04:18:57,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 223. [2022-07-13 04:18:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 223 states have (on average 1.3228699551569507) internal successors, (295), 222 states have internal predecessors, (295), 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) [2022-07-13 04:18:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 295 transitions. [2022-07-13 04:18:57,570 INFO L392 hiAutomatonCegarLoop]: Abstraction has 223 states and 295 transitions. [2022-07-13 04:18:57,570 INFO L374 stractBuchiCegarLoop]: Abstraction has 223 states and 295 transitions. [2022-07-13 04:18:57,571 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:18:57,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 223 states and 295 transitions. [2022-07-13 04:18:57,572 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2022-07-13 04:18:57,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:57,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:57,573 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:57,573 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:57,573 INFO L752 eck$LassoCheckResult]: Stem: 792#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 718#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 719#L865 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 771#L858 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 720#L873 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 721#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 746#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 674#L165-2 [2022-07-13 04:18:57,574 INFO L754 eck$LassoCheckResult]: Loop: 674#L165-2 assume !false; 675#L166 assume test_~splverifierCounter~0#1 < 4; 672#L167 test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 624#L175 assume !(0 != test_~tmp~1#1); 626#L175-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 769#L185 assume !(0 != test_~tmp___0~0#1); 649#L185-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 728#L195 assume 0 != test_~tmp___2~0#1; 757#L201-2 assume { :begin_inline_timeShift } true; 787#L237 assume !(0 != ~pumpRunning~0); 722#L237-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 634#L295 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1; 635#L269-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 786#L261-3 assume { :end_inline_processEnvironment__wrappee__base } true; 664#L269-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 665#L295-1 assume { :end_inline_processEnvironment } true; 692#L244-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#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~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 693#L953 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 766#L816 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 691#L816-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 738#L254 assume { :end_inline_timeShift } true; 674#L165-2 [2022-07-13 04:18:57,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:18:57,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145931034] [2022-07-13 04:18:57,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,587 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,600 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:57,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,601 INFO L85 PathProgramCache]: Analyzing trace with hash 826115258, now seen corresponding path program 1 times [2022-07-13 04:18:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290642152] [2022-07-13 04:18:57,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:18:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:18:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:18:57,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290642152] [2022-07-13 04:18:57,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290642152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:18:57,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:18:57,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:18:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152182599] [2022-07-13 04:18:57,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:18:57,616 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:18:57,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:18:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:18:57,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:18:57,617 INFO L87 Difference]: Start difference. First operand 223 states and 295 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-07-13 04:18:57,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:18:57,670 INFO L93 Difference]: Finished difference Result 279 states and 352 transitions. [2022-07-13 04:18:57,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:18:57,671 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 352 transitions. [2022-07-13 04:18:57,673 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2022-07-13 04:18:57,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 279 states and 352 transitions. [2022-07-13 04:18:57,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 279 [2022-07-13 04:18:57,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 279 [2022-07-13 04:18:57,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 279 states and 352 transitions. [2022-07-13 04:18:57,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:18:57,677 INFO L369 hiAutomatonCegarLoop]: Abstraction has 279 states and 352 transitions. [2022-07-13 04:18:57,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states and 352 transitions. [2022-07-13 04:18:57,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2022-07-13 04:18:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.2616487455197132) internal successors, (352), 278 states have internal predecessors, (352), 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) [2022-07-13 04:18:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 352 transitions. [2022-07-13 04:18:57,684 INFO L392 hiAutomatonCegarLoop]: Abstraction has 279 states and 352 transitions. [2022-07-13 04:18:57,685 INFO L374 stractBuchiCegarLoop]: Abstraction has 279 states and 352 transitions. [2022-07-13 04:18:57,685 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:18:57,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 352 transitions. [2022-07-13 04:18:57,686 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 199 [2022-07-13 04:18:57,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:57,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:57,687 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:57,687 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:57,687 INFO L752 eck$LassoCheckResult]: Stem: 1320#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1229#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1230#L865 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1286#L858 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 1231#L873 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1232#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1260#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1317#L165-2 [2022-07-13 04:18:57,688 INFO L754 eck$LassoCheckResult]: Loop: 1317#L165-2 assume !false; 1303#L166 assume test_~splverifierCounter~0#1 < 4; 1182#L167 test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1132#L175 assume !(0 != test_~tmp~1#1); 1134#L175-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1284#L185 assume !(0 != test_~tmp___0~0#1); 1157#L185-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1240#L195 assume 0 != test_~tmp___2~0#1; 1316#L201-2 assume { :begin_inline_timeShift } true; 1311#L237 assume !(0 != ~pumpRunning~0); 1233#L237-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret10#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1143#L295 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1, processEnvironment__wrappee__methaneQuery_~tmp~2#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~2#1; 1144#L269-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret21#1, isHighWaterLevel_~retValue_acc~3#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~3#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1; 1297#L961-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1; 1272#L966-1 isHighWaterLevel_#t~ret21#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret21#1;havoc isHighWaterLevel_#t~ret21#1; 1273#L414-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1294#L414-5 isHighWaterLevel_~retValue_acc~3#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~3#1; 1242#L420-1 processEnvironment__wrappee__methaneQuery_#t~ret9#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~2#1 := processEnvironment__wrappee__methaneQuery_#t~ret9#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret9#1; 1243#L273-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1248#L261-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1174#L269-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1175#L295-1 assume { :end_inline_processEnvironment } true; 1202#L244-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#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~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1203#L953 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~9#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 1323#L816 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9#1); 1390#L816-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1389#L254 assume { :end_inline_timeShift } true; 1317#L165-2 [2022-07-13 04:18:57,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-13 04:18:57,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763429557] [2022-07-13 04:18:57,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,699 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:57,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1851545870, now seen corresponding path program 1 times [2022-07-13 04:18:57,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10687003] [2022-07-13 04:18:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,719 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:57,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:57,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1476258130, now seen corresponding path program 1 times [2022-07-13 04:18:57,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:57,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902119743] [2022-07-13 04:18:57,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:57,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,739 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:57,789 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:00,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:19:00 BoogieIcfgContainer [2022-07-13 04:19:00,548 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:19:00,548 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:19:00,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:19:00,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:19:00,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:56" (3/4) ... [2022-07-13 04:19:00,551 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:19:00,665 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:19:00,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:19:00,666 INFO L158 Benchmark]: Toolchain (without parser) took 5206.30ms. Allocated memory was 88.1MB in the beginning and 169.9MB in the end (delta: 81.8MB). Free memory was 57.3MB in the beginning and 140.7MB in the end (delta: -83.4MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,666 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:00,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.15ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 38.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.68ms. Allocated memory is still 88.1MB. Free memory was 38.5MB in the beginning and 34.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,667 INFO L158 Benchmark]: Boogie Preprocessor took 55.95ms. Allocated memory is still 88.1MB. Free memory was 34.8MB in the beginning and 32.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,668 INFO L158 Benchmark]: RCFGBuilder took 654.14ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 32.3MB in the beginning and 82.5MB in the end (delta: -50.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,668 INFO L158 Benchmark]: BuchiAutomizer took 3879.58ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 82.5MB in the beginning and 48.2MB in the end (delta: 34.3MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,668 INFO L158 Benchmark]: Witness Printer took 116.80ms. Allocated memory is still 169.9MB. Free memory was 48.2MB in the beginning and 140.7MB in the end (delta: -92.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2022-07-13 04:19:00,670 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.15ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 38.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.68ms. Allocated memory is still 88.1MB. Free memory was 38.5MB in the beginning and 34.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.95ms. Allocated memory is still 88.1MB. Free memory was 34.8MB in the beginning and 32.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.14ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 32.3MB in the beginning and 82.5MB in the end (delta: -50.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3879.58ms. Allocated memory was 125.8MB in the beginning and 169.9MB in the end (delta: 44.0MB). Free memory was 82.5MB in the beginning and 48.2MB in the end (delta: 34.3MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 116.80ms. Allocated memory is still 169.9MB. Free memory was 48.2MB in the beginning and 140.7MB in the end (delta: -92.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1066 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1066 mSDsluCounter, 1530 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1078 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 452 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 165]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8d68eb5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40c88b5d=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@de609f0=0, NULL=0, tmp___0=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@672d6ed=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50f09656=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3edf4fe9=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46c02a2b=0, methaneLevelCritical=0, retValue_acc=0, tmp=1, retValue_acc=1, retValue_acc=1, retValue_acc=1, \result=1, \result=1, tmp=1, tmp___2=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11a1859c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10376b12=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e4e1998=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 165]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L229] int pumpRunning = 0; [L230] int systemActive = 1; [L609] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L878] int waterLevel = 1; [L879] int methaneLevelCritical = 0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 Loop: [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp)) [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L210] CALL timeShift() [L237] COND FALSE !(\read(pumpRunning)) [L244] COND TRUE \read(systemActive) [L246] CALL processEnvironment() [L292] int tmp ; [L295] COND FALSE !(\read(pumpRunning)) [L310] CALL processEnvironment__wrappee__methaneQuery() [L266] int tmp ; [L269] COND TRUE ! pumpRunning [L271] CALL, EXPR isHighWaterLevel() [L406] int retValue_acc ; [L407] int tmp ; [L408] int tmp___0 ; [L412] CALL, EXPR isHighWaterSensorDry() [L958] int retValue_acc ; [L961] COND TRUE waterLevel < 2 [L962] retValue_acc = 1 [L963] return (retValue_acc); [L412] RET, EXPR isHighWaterSensorDry() [L412] tmp = isHighWaterSensorDry() [L414] COND TRUE \read(tmp) [L415] tmp___0 = 0 [L419] retValue_acc = tmp___0 [L420] return (retValue_acc); [L271] RET, EXPR isHighWaterLevel() [L271] tmp = isHighWaterLevel() [L273] COND FALSE !(\read(tmp)) [L279] FCALL processEnvironment__wrappee__base() [L310] RET processEnvironment__wrappee__methaneQuery() [L246] RET processEnvironment() [L252] CALL __utac_acc__Specification4_spec__1() [L809] int tmp ; [L810] int tmp___0 ; [L814] CALL, EXPR getWaterLevel() [L949] int retValue_acc ; [L952] retValue_acc = waterLevel [L953] return (retValue_acc); [L814] RET, EXPR getWaterLevel() [L814] tmp = getWaterLevel() [L816] COND FALSE !(tmp == 0) [L252] RET __utac_acc__Specification4_spec__1() [L210] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:19:00,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)