./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_spec2_product12.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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:25:36,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:25:36,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:25:36,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:25:36,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:25:36,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:25:36,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:25:36,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:25:36,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:25:36,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:25:36,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:25:36,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:25:36,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:25:36,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:25:36,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:25:36,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:25:36,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:25:36,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:25:36,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:25:36,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:25:36,114 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:25:36,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:25:36,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:25:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:25:36,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:25:36,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:25:36,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:25:36,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:25:36,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:25:36,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:25:36,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:25:36,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:25:36,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:25:36,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:25:36,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:25:36,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:25:36,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:25:36,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:25:36,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:25:36,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:25:36,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:25:36,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:25:36,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:25:36,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:25:36,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:25:36,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:25:36,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:25:36,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:25:36,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:25:36,191 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:25:36,192 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:25:36,192 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:25:36,192 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:25:36,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:25:36,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:25:36,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:25:36,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:25:36,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:25:36,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:25:36,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:25:36,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:25:36,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:25:36,197 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:25:36,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2022-07-23 15:25:36,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:25:36,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:25:36,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:25:36,493 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:25:36,493 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:25:36,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-07-23 15:25:36,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ea4c3e3/3c984f99473346d4895406a63a2c058e/FLAGedce330f6 [2022-07-23 15:25:36,955 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:25:36,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-07-23 15:25:36,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ea4c3e3/3c984f99473346d4895406a63a2c058e/FLAGedce330f6 [2022-07-23 15:25:36,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ea4c3e3/3c984f99473346d4895406a63a2c058e [2022-07-23 15:25:36,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:25:36,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:25:36,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:36,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:25:36,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:25:36,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be0fb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36, skipping insertion in model container [2022-07-23 15:25:36,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:25:37,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:25:37,262 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_spec2_product12.cil.c[6803,6816] [2022-07-23 15:25:37,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:37,329 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:25:37,360 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_spec2_product12.cil.c[6803,6816] [2022-07-23 15:25:37,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:37,406 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:25:37,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37 WrapperNode [2022-07-23 15:25:37,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:37,408 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:37,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:25:37,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:25:37,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,460 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 36, statements flattened = 304 [2022-07-23 15:25:37,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:37,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:25:37,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:25:37,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:25:37,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:25:37,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:25:37,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:25:37,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:25:37,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (1/1) ... [2022-07-23 15:25:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:25:37,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:25:37,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:25:37,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:25:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:25:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:25:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:25:37,678 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:25:37,679 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:25:37,899 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:25:37,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:25:37,904 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:25:37,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37 BoogieIcfgContainer [2022-07-23 15:25:37,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:25:37,906 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:25:37,906 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:25:37,909 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:25:37,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:25:36" (1/3) ... [2022-07-23 15:25:37,910 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6709ea0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:37, skipping insertion in model container [2022-07-23 15:25:37,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:37" (2/3) ... [2022-07-23 15:25:37,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6709ea0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:37, skipping insertion in model container [2022-07-23 15:25:37,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37" (3/3) ... [2022-07-23 15:25:37,912 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2022-07-23 15:25:37,967 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:25:37,967 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:25:37,967 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:25:37,968 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:25:37,968 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:25:37,968 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:25:37,968 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:25:37,968 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:25:37,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:37,991 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-07-23 15:25:37,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:37,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:37,996 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,997 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,997 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:25:37,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:38,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-07-23 15:25:38,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:38,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:38,009 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:38,009 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:38,017 INFO L752 eck$LassoCheckResult]: Stem: 62#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 75#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 70#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 28#L83true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 25#L898true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 13#L874true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 32#L326true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 80#L104-2true [2022-07-23 15:25:38,018 INFO L754 eck$LassoCheckResult]: Loop: 80#L104-2true assume !false; 22#L105true assume test_~splverifierCounter~0#1 < 4; 59#L106true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 64#L114true assume !(0 != test_~tmp~0#1); 51#L114-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 16#L124true assume !(0 != test_~tmp___0~0#1); 77#L124-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 65#L134true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 39#L142true assume !(0 != test_~tmp___1~0#1); 33#L142-2true assume { :begin_inline_timeShift } true; 35#L178true assume !(0 != ~pumpRunning~0); 9#L178-2true assume !(0 != ~systemActive~0); 57#L185-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 66#L403true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 7#L337true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 79#L337-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 49#L195true assume { :end_inline_timeShift } true; 80#L104-2true [2022-07-23 15:25:38,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,027 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-23 15:25:38,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888460903] [2022-07-23 15:25:38,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:38,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1601773143, now seen corresponding path program 1 times [2022-07-23 15:25:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425753163] [2022-07-23 15:25:38,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,240 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,273 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:38,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,274 INFO L85 PathProgramCache]: Analyzing trace with hash 865831566, now seen corresponding path program 1 times [2022-07-23 15:25:38,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158743224] [2022-07-23 15:25:38,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:25:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:25:38,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:25:38,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158743224] [2022-07-23 15:25:38,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158743224] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:25:38,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:25:38,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:25:38,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082856081] [2022-07-23 15:25:38,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:25:38,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:25:38,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 15:25:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 15:25:38,515 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:38,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:25:38,648 INFO L93 Difference]: Finished difference Result 292 states and 375 transitions. [2022-07-23 15:25:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 15:25:38,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 375 transitions. [2022-07-23 15:25:38,670 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2022-07-23 15:25:38,674 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 252 states and 335 transitions. [2022-07-23 15:25:38,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2022-07-23 15:25:38,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2022-07-23 15:25:38,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 335 transitions. [2022-07-23 15:25:38,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:25:38,680 INFO L369 hiAutomatonCegarLoop]: Abstraction has 252 states and 335 transitions. [2022-07-23 15:25:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 335 transitions. [2022-07-23 15:25:38,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 126. [2022-07-23 15:25:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 125 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2022-07-23 15:25:38,716 INFO L392 hiAutomatonCegarLoop]: Abstraction has 126 states and 168 transitions. [2022-07-23 15:25:38,716 INFO L374 stractBuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2022-07-23 15:25:38,716 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:25:38,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 168 transitions. [2022-07-23 15:25:38,720 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2022-07-23 15:25:38,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:38,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:38,723 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:38,724 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:38,725 INFO L752 eck$LassoCheckResult]: Stem: 461#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 455#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 464#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 430#L83 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 427#L898 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 410#L874 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 411#L326 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 435#L104-2 [2022-07-23 15:25:38,725 INFO L754 eck$LassoCheckResult]: Loop: 435#L104-2 assume !false; 422#L105 assume test_~splverifierCounter~0#1 < 4; 423#L106 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 460#L114 assume !(0 != test_~tmp~0#1); 419#L114-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 416#L124 assume !(0 != test_~tmp___0~0#1); 418#L124-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 462#L134 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 457#L315 assume { :end_inline_startSystem } true; 436#L142-2 assume { :begin_inline_timeShift } true; 437#L178 assume !(0 != ~pumpRunning~0); 403#L178-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 404#L202 assume { :end_inline_processEnvironment } true; 426#L185-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 458#L403 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 398#L337 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 400#L337-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 453#L195 assume { :end_inline_timeShift } true; 435#L104-2 [2022-07-23 15:25:38,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,726 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-23 15:25:38,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963721559] [2022-07-23 15:25:38,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,745 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,765 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:38,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,770 INFO L85 PathProgramCache]: Analyzing trace with hash 878374743, now seen corresponding path program 1 times [2022-07-23 15:25:38,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529483152] [2022-07-23 15:25:38,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,775 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:38,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:38,778 INFO L85 PathProgramCache]: Analyzing trace with hash -460977664, now seen corresponding path program 1 times [2022-07-23 15:25:38,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:38,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885994315] [2022-07-23 15:25:38,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:38,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:38,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:41,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:25:41 BoogieIcfgContainer [2022-07-23 15:25:41,412 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:25:41,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:25:41,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:25:41,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:25:41,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37" (3/4) ... [2022-07-23 15:25:41,425 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:25:41,472 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:25:41,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:25:41,473 INFO L158 Benchmark]: Toolchain (without parser) took 4485.33ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 90.6MB in the beginning and 120.8MB in the end (delta: -30.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,473 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:41,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.48ms. Allocated memory is still 130.0MB. Free memory was 90.4MB in the beginning and 94.5MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.95ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 92.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,474 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 90.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,475 INFO L158 Benchmark]: RCFGBuilder took 400.08ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 74.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,475 INFO L158 Benchmark]: BuchiAutomizer took 3505.89ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 74.4MB in the beginning and 122.9MB in the end (delta: -48.5MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,475 INFO L158 Benchmark]: Witness Printer took 50.30ms. Allocated memory is still 195.0MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:41,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.48ms. Allocated memory is still 130.0MB. Free memory was 90.4MB in the beginning and 94.5MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.95ms. Allocated memory is still 130.0MB. Free memory was 94.5MB in the beginning and 92.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 130.0MB. Free memory was 92.0MB in the beginning and 90.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.08ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 74.4MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3505.89ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 74.4MB in the beginning and 122.9MB in the end (delta: -48.5MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Witness Printer took 50.30ms. Allocated memory is still 195.0MB. Free memory was 122.9MB in the beginning and 120.8MB in the end (delta: 2.1MB). 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 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 126 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 535 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 535 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 676 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 99 mSDtfsCounter, 48 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 104]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20cafdb9=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2df14743=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2558d495=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1adb4939=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c15cdf=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e66ed4b=0, methaneLevelCritical=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25b627b2=0, retValue_acc=1, \result=1, retValue_acc=0, tmp=0, tmp___2=29, methAndRunningLastTime=0, tmp=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 104]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND TRUE \read(tmp___2) [L136] CALL startSystem() [L314] systemActive = 1 [L136] RET startSystem() [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:25:41,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)