./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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_spec1_product11.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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:32:45,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:32:45,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:32:45,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:32:45,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:32:45,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:32:45,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:32:45,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:32:45,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:32:45,999 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:32:45,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:32:46,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:32:46,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:32:46,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:32:46,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:32:46,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:32:46,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:32:46,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:32:46,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:32:46,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:32:46,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:32:46,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:32:46,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:32:46,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:32:46,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:32:46,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:32:46,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:32:46,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:32:46,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:32:46,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:32:46,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:32:46,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:32:46,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:32:46,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:32:46,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:32:46,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:32:46,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:32:46,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:32:46,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:32:46,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:32:46,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:32:46,027 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:32:46,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:32:46,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:32:46,052 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:32:46,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:32:46,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:32:46,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:32:46,054 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:32:46,054 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:32:46,054 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:32:46,054 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:32:46,055 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:32:46,055 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:32:46,055 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:32:46,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:32:46,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:32:46,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:32:46,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:32:46,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:32:46,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:32:46,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:32:46,059 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:32:46,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-12-21 22:32:46,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:32:46,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:32:46,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:32:46,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:32:46,256 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:32:46,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-21 22:32:46,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4caf075e3/3690e0ed830e43558122378756447342/FLAG05c2f4fda [2021-12-21 22:32:46,729 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:32:46,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-21 22:32:46,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4caf075e3/3690e0ed830e43558122378756447342/FLAG05c2f4fda [2021-12-21 22:32:46,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4caf075e3/3690e0ed830e43558122378756447342 [2021-12-21 22:32:46,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:32:46,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:32:46,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:46,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:32:46,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:32:46,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:46" (1/1) ... [2021-12-21 22:32:46,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611c55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:46, skipping insertion in model container [2021-12-21 22:32:46,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:46" (1/1) ... [2021-12-21 22:32:46,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:32:46,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:32:46,950 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_spec1_product11.cil.c[6038,6051] [2021-12-21 22:32:46,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:47,011 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:32:47,047 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_spec1_product11.cil.c[6038,6051] [2021-12-21 22:32:47,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:47,086 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:32:47,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47 WrapperNode [2021-12-21 22:32:47,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:47,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:47,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:32:47,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:32:47,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,138 INFO L137 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 45, calls inlined = 34, statements flattened = 285 [2021-12-21 22:32:47,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:47,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:32:47,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:32:47,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:32:47,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:32:47,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:32:47,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:32:47,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:32:47,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (1/1) ... [2021-12-21 22:32:47,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:47,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:47,200 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) [2021-12-21 22:32:47,222 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 [2021-12-21 22:32:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:32:47,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:32:47,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:32:47,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:32:47,288 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:32:47,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:32:47,470 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:32:47,475 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:32:47,476 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:32:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:47 BoogieIcfgContainer [2021-12-21 22:32:47,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:32:47,478 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:32:47,478 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:32:47,481 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:32:47,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:47,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:32:46" (1/3) ... [2021-12-21 22:32:47,482 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dbe85c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:47, skipping insertion in model container [2021-12-21 22:32:47,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:47,482 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:47" (2/3) ... [2021-12-21 22:32:47,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dbe85c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:47, skipping insertion in model container [2021-12-21 22:32:47,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:47,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:47" (3/3) ... [2021-12-21 22:32:47,495 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-12-21 22:32:47,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:32:47,540 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:32:47,540 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:32:47,540 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:32:47,540 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:32:47,540 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:32:47,541 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:32:47,541 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:32:47,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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) [2021-12-21 22:32:47,566 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2021-12-21 22:32:47,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:47,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:47,570 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:47,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:47,571 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:32:47,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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) [2021-12-21 22:32:47,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2021-12-21 22:32:47,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:47,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:47,575 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:47,575 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:47,582 INFO L791 eck$LassoCheckResult]: Stem: 60#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(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 45#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; 50#L176true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L169true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 19#L184true 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; 67#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 51#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 78#L347-2true [2021-12-21 22:32:47,584 INFO L793 eck$LassoCheckResult]: Loop: 78#L347-2true assume !false; 52#L348true assume test_~splverifierCounter~0#1 < 4; 23#L349true test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 68#L357true assume !(0 != test_~tmp~2#1); 44#L357-2true test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 15#L367true assume !(0 != test_~tmp___0~0#1); 32#L367-2true test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 76#L377true assume 0 != test_~tmp___2~0#1; 28#L383-2true assume { :begin_inline_timeShift } true; 47#L204true assume !(0 != ~pumpRunning~0); 37#L204-2true assume !(0 != ~systemActive~0); 48#L211-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 21#L457true __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 46#L502true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 55#L502-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 22#L221true assume { :end_inline_timeShift } true; 78#L347-2true [2021-12-21 22:32:47,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:47,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-21 22:32:47,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:47,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564520870] [2021-12-21 22:32:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:47,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:47,705 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:47,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:47,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2021-12-21 22:32:47,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:47,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030634880] [2021-12-21 22:32:47,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:47,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:47,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:47,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:47,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2021-12-21 22:32:47,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:47,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126433566] [2021-12-21 22:32:47,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:47,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:32:47,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:32:47,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126433566] [2021-12-21 22:32:47,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126433566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:32:47,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:32:47,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:32:47,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929611701] [2021-12-21 22:32:47,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:32:48,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:32:48,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 22:32:48,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 22:32:48,061 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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) [2021-12-21 22:32:48,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:32:48,148 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2021-12-21 22:32:48,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 22:32:48,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2021-12-21 22:32:48,161 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2021-12-21 22:32:48,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2021-12-21 22:32:48,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2021-12-21 22:32:48,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2021-12-21 22:32:48,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2021-12-21 22:32:48,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:32:48,170 INFO L681 BuchiCegarLoop]: Abstraction has 179 states and 233 transitions. [2021-12-21 22:32:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2021-12-21 22:32:48,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2021-12-21 22:32:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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) [2021-12-21 22:32:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2021-12-21 22:32:48,204 INFO L704 BuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2021-12-21 22:32:48,204 INFO L587 BuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2021-12-21 22:32:48,204 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:32:48,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2021-12-21 22:32:48,206 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2021-12-21 22:32:48,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:48,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:48,207 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:48,207 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:48,207 INFO L791 eck$LassoCheckResult]: Stem: 367#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(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 356#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; 357#L176 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 360#L169 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 327#L184 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; 328#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 361#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 333#L347-2 [2021-12-21 22:32:48,207 INFO L793 eck$LassoCheckResult]: Loop: 333#L347-2 assume !false; 362#L348 assume test_~splverifierCounter~0#1 < 4; 334#L349 test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 335#L357 assume !(0 != test_~tmp~2#1); 353#L357-2 test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 320#L367 assume !(0 != test_~tmp___0~0#1); 322#L367-2 test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 346#L377 assume 0 != test_~tmp___2~0#1; 340#L383-2 assume { :begin_inline_timeShift } true; 341#L204 assume !(0 != ~pumpRunning~0); 311#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 336#L228 assume { :end_inline_processEnvironment } true; 337#L211-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 330#L457 __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 331#L502 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 358#L502-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 332#L221 assume { :end_inline_timeShift } true; 333#L347-2 [2021-12-21 22:32:48,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:48,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-21 22:32:48,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:48,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949111429] [2021-12-21 22:32:48,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:48,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,222 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:48,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:48,238 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2021-12-21 22:32:48,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:48,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140395109] [2021-12-21 22:32:48,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:48,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,253 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:48,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:48,257 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2021-12-21 22:32:48,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:48,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252141398] [2021-12-21 22:32:48,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:48,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,278 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:48,294 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:50,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:32:50 BoogieIcfgContainer [2021-12-21 22:32:50,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:32:50,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:32:50,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:32:50,576 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:32:50,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:47" (3/4) ... [2021-12-21 22:32:50,578 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-21 22:32:50,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 22:32:50,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:32:50,614 INFO L158 Benchmark]: Toolchain (without parser) took 3859.40ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 81.4MB in the beginning and 120.1MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:32:50,614 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:32:50,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.63ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 86.9MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.13ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,616 INFO L158 Benchmark]: Boogie Preprocessor took 18.93ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,617 INFO L158 Benchmark]: RCFGBuilder took 318.61ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 68.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,617 INFO L158 Benchmark]: BuchiAutomizer took 3097.73ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.0MB in the beginning and 122.2MB in the end (delta: -54.1MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,617 INFO L158 Benchmark]: Witness Printer took 37.48ms. Allocated memory is still 151.0MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:50,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.63ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 86.9MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.13ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.93ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 82.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.61ms. Allocated memory is still 119.5MB. Free memory was 82.7MB in the beginning and 68.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3097.73ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 68.0MB in the beginning and 122.2MB in the end (delta: -54.1MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 37.48ms. Allocated memory is still 151.0MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.0MB). 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 118 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 347]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@334a5fb1=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@484e9c00=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b7cf584=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21837190=29, tmp___2=29, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@427fc5a2=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@295ca28b=0, tmp=1, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@251cdfd9=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 347]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L196] int pumpRunning = 0; [L197] int systemActive = 1; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L689] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] 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() [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L392] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] FCALL processEnvironment() [L219] CALL __utac_acc__Specification1_spec__1() [L495] int tmp ; [L496] int tmp___0 ; [L500] CALL, EXPR isMethaneLevelCritical() [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); [L500] RET, EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L219] RET __utac_acc__Specification1_spec__1() [L392] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-21 22:32:50,663 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)