./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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_product07.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 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 19:12:24,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:12:24,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:12:24,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:12:24,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:12:24,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:12:24,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:12:24,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:12:24,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:12:24,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:12:24,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:12:24,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:12:24,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:12:24,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:12:24,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:12:24,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:12:24,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:12:24,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:12:24,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:12:24,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:12:24,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:12:24,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:12:24,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:12:24,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:12:24,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:12:24,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:12:24,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:12:24,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:12:24,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:12:24,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:12:24,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:12:24,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:12:24,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:12:24,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:12:24,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:12:24,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:12:24,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:12:24,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:12:24,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:12:24,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:12:24,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:12:24,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:12:24,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:12:24,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:12:24,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:12:24,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:12:24,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:12:24,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:12:24,200 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:12:24,200 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:12:24,201 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:12:24,201 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:12:24,201 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:12:24,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:12:24,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:12:24,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:12:24,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:12:24,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:12:24,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:12:24,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:12:24,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:12:24,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:12:24,205 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:12:24,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2021-12-19 19:12:24,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:12:24,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:12:24,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:12:24,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:12:24,371 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:12:24,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-12-19 19:12:24,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabeea678/f2da7c24e2be47f585bf12d5f8059c5a/FLAGc0736a122 [2021-12-19 19:12:24,865 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:12:24,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2021-12-19 19:12:24,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabeea678/f2da7c24e2be47f585bf12d5f8059c5a/FLAGc0736a122 [2021-12-19 19:12:24,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cabeea678/f2da7c24e2be47f585bf12d5f8059c5a [2021-12-19 19:12:24,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:12:24,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:12:24,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:12:24,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:12:24,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:12:24,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:12:24" (1/1) ... [2021-12-19 19:12:24,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f90c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:24, skipping insertion in model container [2021-12-19 19:12:24,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:12:24" (1/1) ... [2021-12-19 19:12:24,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:12:24,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:12:25,060 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-12-19 19:12:25,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:12:25,104 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:12:25,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2021-12-19 19:12:25,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:12:25,190 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:12:25,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25 WrapperNode [2021-12-19 19:12:25,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:12:25,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:12:25,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:12:25,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:12:25,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,250 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 56, statements flattened = 406 [2021-12-19 19:12:25,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:12:25,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:12:25,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:12:25,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:12:25,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:12:25,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:12:25,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:12:25,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:12:25,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (1/1) ... [2021-12-19 19:12:25,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:12:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:12:25,319 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) [2021-12-19 19:12:25,341 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 [2021-12-19 19:12:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:12:25,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:12:25,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:12:25,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:12:25,401 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:12:25,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:12:25,633 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:12:25,643 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:12:25,644 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 19:12:25,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:12:25 BoogieIcfgContainer [2021-12-19 19:12:25,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:12:25,647 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:12:25,647 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:12:25,649 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:12:25,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:12:25,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:12:24" (1/3) ... [2021-12-19 19:12:25,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@646c24b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:12:25, skipping insertion in model container [2021-12-19 19:12:25,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:12:25,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:12:25" (2/3) ... [2021-12-19 19:12:25,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@646c24b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:12:25, skipping insertion in model container [2021-12-19 19:12:25,652 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:12:25,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:12:25" (3/3) ... [2021-12-19 19:12:25,653 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2021-12-19 19:12:25,688 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:12:25,688 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:12:25,688 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:12:25,688 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:12:25,689 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:12:25,689 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:12:25,689 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:12:25,689 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:12:25,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2021-12-19 19:12:25,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-19 19:12:25,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:12:25,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:12:25,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:25,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:25,727 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:12:25,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2021-12-19 19:12:25,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2021-12-19 19:12:25,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:12:25,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:12:25,741 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:25,742 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:25,750 INFO L791 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 39#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; 45#L543true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 59#L536true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 30#L551true 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; 87#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 97#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 110#L248true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L302-2true [2021-12-19 19:12:25,751 INFO L793 eck$LassoCheckResult]: Loop: 101#L302-2true assume !false; 106#L303true assume test_~splverifierCounter~0#1 < 4; 86#L304true test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 109#L312true assume !(0 != test_~tmp~2#1); 69#L312-2true test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 77#L322true assume !(0 != test_~tmp___0~1#1); 64#L322-2true test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 25#L332true assume 0 != test_~tmp___2~0#1; 66#L338-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 93#L456true __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 33#L258true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 58#L371true assume !(0 != ~pumpRunning~0); 44#L371-2true assume !(0 != ~systemActive~0); 12#L378-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 98#L235true __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 57#L269true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 85#L269-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 19#L388true assume { :end_inline_timeShift } true; 101#L302-2true [2021-12-19 19:12:25,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-12-19 19:12:25,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:25,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326896335] [2021-12-19 19:12:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:25,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:25,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:25,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:25,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:25,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1362691668, now seen corresponding path program 1 times [2021-12-19 19:12:25,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:25,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302328078] [2021-12-19 19:12:25,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:25,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:25,997 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:26,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1592923221, now seen corresponding path program 1 times [2021-12-19 19:12:26,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574846085] [2021-12-19 19:12:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:12:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:12:26,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:12:26,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574846085] [2021-12-19 19:12:26,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574846085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:12:26,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:12:26,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:12:26,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158513213] [2021-12-19 19:12:26,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:12:26,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:12:26,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 19:12:26,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-19 19:12:26,296 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-12-19 19:12:26,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:12:26,389 INFO L93 Difference]: Finished difference Result 279 states and 354 transitions. [2021-12-19 19:12:26,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 19:12:26,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 354 transitions. [2021-12-19 19:12:26,397 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2021-12-19 19:12:26,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 324 transitions. [2021-12-19 19:12:26,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2021-12-19 19:12:26,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2021-12-19 19:12:26,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 324 transitions. [2021-12-19 19:12:26,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:12:26,444 INFO L681 BuchiCegarLoop]: Abstraction has 249 states and 324 transitions. [2021-12-19 19:12:26,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 324 transitions. [2021-12-19 19:12:26,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 158. [2021-12-19 19:12:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 157 states have internal predecessors, (206), 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) [2021-12-19 19:12:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 206 transitions. [2021-12-19 19:12:26,493 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2021-12-19 19:12:26,493 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 206 transitions. [2021-12-19 19:12:26,493 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:12:26,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 206 transitions. [2021-12-19 19:12:26,497 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2021-12-19 19:12:26,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:12:26,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:12:26,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:26,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:26,498 INFO L791 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 460#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; 461#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 466#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 450#L551 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; 451#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 497#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 500#L248 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 437#L302-2 [2021-12-19 19:12:26,498 INFO L793 eck$LassoCheckResult]: Loop: 437#L302-2 assume !false; 503#L303 assume test_~splverifierCounter~0#1 < 4; 495#L304 test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 496#L312 assume !(0 != test_~tmp~2#1); 417#L312-2 test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 491#L322 assume !(0 != test_~tmp___0~1#1); 486#L322-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 444#L332 assume 0 != test_~tmp___2~0#1; 445#L338-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 489#L456 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 454#L258 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 455#L371 assume !(0 != ~pumpRunning~0); 464#L371-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 465#L403 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 473#L395-1 assume { :end_inline_processEnvironment__wrappee__base } true; 456#L403-1 assume { :end_inline_processEnvironment } true; 423#L378-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 424#L235 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 481#L269 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 478#L269-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 436#L388 assume { :end_inline_timeShift } true; 437#L302-2 [2021-12-19 19:12:26,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,499 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-12-19 19:12:26,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548805848] [2021-12-19 19:12:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,515 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,523 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:26,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1072773688, now seen corresponding path program 1 times [2021-12-19 19:12:26,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310266640] [2021-12-19 19:12:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,528 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,531 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash 671396591, now seen corresponding path program 1 times [2021-12-19 19:12:26,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738534515] [2021-12-19 19:12:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:12:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:12:26,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:12:26,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738534515] [2021-12-19 19:12:26,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738534515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:12:26,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:12:26,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 19:12:26,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804045728] [2021-12-19 19:12:26,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:12:26,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:12:26,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-19 19:12:26,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-19 19:12:26,646 INFO L87 Difference]: Start difference. First operand 158 states and 206 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-19 19:12:26,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:12:26,708 INFO L93 Difference]: Finished difference Result 425 states and 544 transitions. [2021-12-19 19:12:26,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 19:12:26,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 425 states and 544 transitions. [2021-12-19 19:12:26,711 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 212 [2021-12-19 19:12:26,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 425 states to 425 states and 544 transitions. [2021-12-19 19:12:26,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 425 [2021-12-19 19:12:26,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 425 [2021-12-19 19:12:26,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 425 states and 544 transitions. [2021-12-19 19:12:26,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:12:26,716 INFO L681 BuchiCegarLoop]: Abstraction has 425 states and 544 transitions. [2021-12-19 19:12:26,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states and 544 transitions. [2021-12-19 19:12:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 300. [2021-12-19 19:12:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 300 states have (on average 1.2733333333333334) internal successors, (382), 299 states have internal predecessors, (382), 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) [2021-12-19 19:12:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 382 transitions. [2021-12-19 19:12:26,723 INFO L704 BuchiCegarLoop]: Abstraction has 300 states and 382 transitions. [2021-12-19 19:12:26,723 INFO L587 BuchiCegarLoop]: Abstraction has 300 states and 382 transitions. [2021-12-19 19:12:26,723 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 19:12:26,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states and 382 transitions. [2021-12-19 19:12:26,724 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 212 [2021-12-19 19:12:26,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:12:26,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:12:26,725 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:26,725 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:12:26,725 INFO L791 eck$LassoCheckResult]: Stem: 1118#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1063#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; 1064#L543 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1070#L536 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1051#L551 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; 1052#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1105#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1112#L248 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1124#L302-2 [2021-12-19 19:12:26,725 INFO L793 eck$LassoCheckResult]: Loop: 1124#L302-2 assume !false; 1258#L303 assume test_~splverifierCounter~0#1 < 4; 1259#L304 test_~tmp~2#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 1290#L312 assume !(0 != test_~tmp~2#1); 1289#L312-2 test_~tmp___0~1#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 1287#L322 assume !(0 != test_~tmp___0~1#1); 1285#L322-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 1281#L332 assume 0 != test_~tmp___2~0#1; 1261#L338-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1260#L456 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 1257#L258 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1255#L371 assume !(0 != ~pumpRunning~0); 1253#L371-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 1223#L403 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1249#L395-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1225#L403-1 assume { :end_inline_processEnvironment } true; 1221#L378-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1113#L235 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 1085#L269 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 1086#L456-1 __utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1; 1265#L273 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1263#L269-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1262#L388 assume { :end_inline_timeShift } true; 1124#L302-2 [2021-12-19 19:12:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,726 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2021-12-19 19:12:26,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554187927] [2021-12-19 19:12:26,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,732 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:26,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,740 INFO L85 PathProgramCache]: Analyzing trace with hash 124264595, now seen corresponding path program 1 times [2021-12-19 19:12:26,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850575384] [2021-12-19 19:12:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:26,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:12:26,748 INFO L85 PathProgramCache]: Analyzing trace with hash 947931018, now seen corresponding path program 1 times [2021-12-19 19:12:26,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:12:26,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542586826] [2021-12-19 19:12:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:12:26,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:12:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,756 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:12:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:12:26,766 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:12:28,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:12:28 BoogieIcfgContainer [2021-12-19 19:12:28,983 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:12:28,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:12:28,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:12:28,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:12:28,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:12:25" (3/4) ... [2021-12-19 19:12:28,986 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:12:29,022 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:12:29,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:12:29,023 INFO L158 Benchmark]: Toolchain (without parser) took 4138.18ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 102.8MB in the beginning and 143.4MB in the end (delta: -40.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,024 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:12:29,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.27ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 104.9MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.33ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 102.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,025 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,025 INFO L158 Benchmark]: RCFGBuilder took 354.34ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 82.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,026 INFO L158 Benchmark]: BuchiAutomizer took 3336.37ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 82.6MB in the beginning and 146.6MB in the end (delta: -64.0MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,026 INFO L158 Benchmark]: Witness Printer took 39.13ms. Allocated memory is still 197.1MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:12:29,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.27ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 104.9MB in the end (delta: -2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.33ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 102.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.50ms. Allocated memory is still 136.3MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.34ms. Allocated memory is still 136.3MB. Free memory was 99.9MB in the beginning and 82.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3336.37ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 82.6MB in the beginning and 146.6MB in the end (delta: -64.0MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. * Witness Printer took 39.13ms. Allocated memory is still 197.1MB. Free memory was 146.6MB in the beginning and 143.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 300 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. 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, 216 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 300 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 900 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 900 mSDsluCounter, 1432 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1123 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 309 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 302]: 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@6e86a5b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@723be41c=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18d94c56=0, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64c95555=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@774ebf12=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22007e79=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22f43597=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@213667b3=0, tmp___2=29, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=0, tmp=1, \result=0, tmp=0, tmp___0=0, head=0, \result=1, retValue_acc=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@515ff30b=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 302]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L160] int waterLevel = 1; [L161] int methaneLevelCritical = 0; [L242] int switchedOnBeforeTS ; [L361] int pumpRunning = 0; [L362] int systemActive = 1; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L547] int retValue_acc ; [L550] retValue_acc = 1 [L551] return (retValue_acc); [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L247] switchedOnBeforeTS = 0 [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L369] CALL __utac_acc__Specification5_spec__2() [L256] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L256] RET, EXPR isPumpRunning() [L256] switchedOnBeforeTS = isPumpRunning() [L369] RET __utac_acc__Specification5_spec__2() [L371] COND FALSE !(\read(pumpRunning)) [L378] COND TRUE \read(systemActive) [L380] CALL processEnvironment() [L400] int tmp ; [L403] COND FALSE !(\read(pumpRunning)) [L418] FCALL processEnvironment__wrappee__base() [L380] RET processEnvironment() [L386] CALL __utac_acc__Specification5_spec__3() [L262] int tmp ; [L263] int tmp___0 ; [L267] CALL, EXPR getWaterLevel() [L231] int retValue_acc ; [L234] retValue_acc = waterLevel [L235] return (retValue_acc); [L267] RET, EXPR getWaterLevel() [L267] tmp = getWaterLevel() [L269] COND TRUE tmp != 2 [L271] CALL, EXPR isPumpRunning() [L452] int retValue_acc ; [L455] retValue_acc = pumpRunning [L456] return (retValue_acc); [L271] RET, EXPR isPumpRunning() [L271] tmp___0 = isPumpRunning() [L273] COND FALSE !(\read(tmp___0)) [L386] RET __utac_acc__Specification5_spec__3() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-19 19:12:29,078 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)