./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_product15.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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:36:25,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:36:25,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:36:25,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:36:25,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:36:25,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:36:25,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:36:25,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:36:25,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:36:25,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:36:25,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:36:25,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:36:25,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:36:25,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:36:25,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:36:25,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:36:25,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:36:25,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:36:25,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:36:25,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:36:25,421 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:36:25,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:36:25,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:36:25,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:36:25,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:36:25,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:36:25,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:36:25,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:36:25,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:36:25,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:36:25,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:36:25,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:36:25,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:36:25,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:36:25,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:36:25,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:36:25,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:36:25,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:36:25,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:36:25,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:36:25,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:36:25,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:36:25,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:36:25,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:36:25,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:36:25,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:36:25,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:36:25,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:36:25,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:36:25,482 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:36:25,482 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:36:25,483 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:36:25,483 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:36:25,484 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:36:25,484 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:36:25,484 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:36:25,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:36:25,484 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:36:25,484 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:36:25,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:36:25,486 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:36:25,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:36:25,486 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:36:25,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:36:25,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:36:25,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:36:25,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:36:25,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:36:25,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:36:25,489 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:36:25,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2022-07-22 02:36:25,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:36:25,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:36:25,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:36:25,851 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:36:25,851 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:36:25,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-07-22 02:36:25,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4e48b8/33e2c4e968284beca44c9a3f5f994b59/FLAG10a06b972 [2022-07-22 02:36:26,450 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:36:26,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-07-22 02:36:26,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4e48b8/33e2c4e968284beca44c9a3f5f994b59/FLAG10a06b972 [2022-07-22 02:36:26,785 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6f4e48b8/33e2c4e968284beca44c9a3f5f994b59 [2022-07-22 02:36:26,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:36:26,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:36:26,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:26,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:36:26,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:36:26,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:26,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa31c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:26,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:36:26,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:36:27,043 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_product15.cil.c[4901,4914] [2022-07-22 02:36:27,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:27,158 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:36:27,191 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_product15.cil.c[4901,4914] [2022-07-22 02:36:27,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:27,260 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:36:27,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27 WrapperNode [2022-07-22 02:36:27,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:27,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:27,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:36:27,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:36:27,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,332 INFO L137 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 366 [2022-07-22 02:36:27,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:27,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:36:27,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:36:27,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:36:27,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:36:27,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:36:27,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:36:27,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:36:27,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (1/1) ... [2022-07-22 02:36:27,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:36:27,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:36:27,424 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) [2022-07-22 02:36:27,451 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 [2022-07-22 02:36:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:36:27,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:36:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:36:27,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:36:27,563 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:36:27,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:36:27,910 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:36:27,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:36:27,924 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:36:27,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27 BoogieIcfgContainer [2022-07-22 02:36:27,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:36:27,928 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:36:27,928 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:36:27,931 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:36:27,931 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,932 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:36:26" (1/3) ... [2022-07-22 02:36:27,933 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@578561e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:27, skipping insertion in model container [2022-07-22 02:36:27,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,934 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:27" (2/3) ... [2022-07-22 02:36:27,934 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@578561e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:27, skipping insertion in model container [2022-07-22 02:36:27,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27" (3/3) ... [2022-07-22 02:36:27,936 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2022-07-22 02:36:27,997 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:36:27,997 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:36:27,997 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:36:27,997 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:36:27,997 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:36:27,998 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:36:27,998 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:36:27,998 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:36:28,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-07-22 02:36:28,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:36:28,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:28,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:28,037 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,037 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,037 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:36:28,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-07-22 02:36:28,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:36:28,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:28,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:28,057 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,057 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,071 INFO L752 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 24#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; 47#L260true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 65#L253true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 13#L268true 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; 37#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 84#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 23#L488-2true [2022-07-22 02:36:28,072 INFO L754 eck$LassoCheckResult]: Loop: 23#L488-2true assume !false; 87#L489true assume test_~splverifierCounter~0#1 < 4; 12#L490true test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 67#L498true assume !(0 != test_~tmp~4#1); 41#L498-2true test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 20#L508true assume !(0 != test_~tmp___0~1#1); 64#L508-2true test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 7#L518true assume 0 != test_~tmp___2~0#1; 79#L524-2true assume { :begin_inline_timeShift } true; 62#L320true assume !(0 != ~pumpRunning~0); 58#L320-2true assume !(0 != ~systemActive~0); 82#L327-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 74#L201-1true __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 75#L283true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 50#L283-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 53#L337true assume { :end_inline_timeShift } true; 23#L488-2true [2022-07-22 02:36:28,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:36:28,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700617696] [2022-07-22 02:36:28,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,245 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1841869244, now seen corresponding path program 1 times [2022-07-22 02:36:28,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059154053] [2022-07-22 02:36:28,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,323 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,336 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,345 INFO L85 PathProgramCache]: Analyzing trace with hash -486450168, now seen corresponding path program 1 times [2022-07-22 02:36:28,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109770777] [2022-07-22 02:36:28,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:36:28,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:36:28,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:36:28,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109770777] [2022-07-22 02:36:28,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109770777] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:36:28,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:36:28,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:36:28,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675937403] [2022-07-22 02:36:28,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:36:28,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:36:28,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:36:28,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:36:28,665 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:36:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:36:28,806 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2022-07-22 02:36:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 02:36:28,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2022-07-22 02:36:28,825 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2022-07-22 02:36:28,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2022-07-22 02:36:28,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2022-07-22 02:36:28,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2022-07-22 02:36:28,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2022-07-22 02:36:28,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:36:28,843 INFO L369 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2022-07-22 02:36:28,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2022-07-22 02:36:28,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2022-07-22 02:36:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2022-07-22 02:36:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2022-07-22 02:36:28,886 INFO L392 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-07-22 02:36:28,886 INFO L374 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-07-22 02:36:28,886 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:36:28,887 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2022-07-22 02:36:28,889 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2022-07-22 02:36:28,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:28,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:28,890 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,890 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,890 INFO L752 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 440#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; 441#L260 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 407#L253 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 408#L268 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; 416#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 444#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 385#L488-2 [2022-07-22 02:36:28,891 INFO L754 eck$LassoCheckResult]: Loop: 385#L488-2 assume !false; 439#L489 assume test_~splverifierCounter~0#1 < 4; 409#L490 test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 410#L498 assume !(0 != test_~tmp~4#1); 413#L498-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 433#L508 assume !(0 != test_~tmp___0~1#1); 379#L508-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 380#L518 assume 0 != test_~tmp___2~0#1; 382#L524-2 assume { :begin_inline_timeShift } true; 397#L320 assume !(0 != ~pumpRunning~0); 393#L320-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 394#L352 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 438#L344-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 414#L352-1 assume { :end_inline_processEnvironment } true; 415#L327-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 426#L201-1 __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 427#L283 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 376#L283-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 377#L337 assume { :end_inline_timeShift } true; 385#L488-2 [2022-07-22 02:36:28,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:36:28,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554881601] [2022-07-22 02:36:28,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,933 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1752585458, now seen corresponding path program 1 times [2022-07-22 02:36:28,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887417031] [2022-07-22 02:36:28,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash 549557962, now seen corresponding path program 1 times [2022-07-22 02:36:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050851426] [2022-07-22 02:36:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:29,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:29,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:32,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:36:32 BoogieIcfgContainer [2022-07-22 02:36:32,191 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:36:32,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:36:32,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:36:32,192 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:36:32,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27" (3/4) ... [2022-07-22 02:36:32,195 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:36:32,265 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:36:32,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:36:32,267 INFO L158 Benchmark]: Toolchain (without parser) took 5477.24ms. Allocated memory was 58.7MB in the beginning and 104.9MB in the end (delta: 46.1MB). Free memory was 36.2MB in the beginning and 47.4MB in the end (delta: -11.2MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,267 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 51.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:32,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.94ms. Allocated memory is still 58.7MB. Free memory was 36.0MB in the beginning and 34.6MB in the end (delta: 1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.06ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,269 INFO L158 Benchmark]: Boogie Preprocessor took 53.36ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 30.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,269 INFO L158 Benchmark]: RCFGBuilder took 539.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 40.9MB in the end (delta: -10.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,272 INFO L158 Benchmark]: BuchiAutomizer took 4263.50ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 40.6MB in the beginning and 50.3MB in the end (delta: -9.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,273 INFO L158 Benchmark]: Witness Printer took 73.98ms. Allocated memory is still 104.9MB. Free memory was 50.3MB in the beginning and 47.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:36:32,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 51.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.94ms. Allocated memory is still 58.7MB. Free memory was 36.0MB in the beginning and 34.6MB in the end (delta: 1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.06ms. Allocated memory is still 58.7MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.36ms. Allocated memory is still 58.7MB. Free memory was 31.9MB in the beginning and 30.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.1MB in the beginning and 40.9MB in the end (delta: -10.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4263.50ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 40.6MB in the beginning and 50.3MB in the end (delta: -9.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Witness Printer took 73.98ms. Allocated memory is still 104.9MB. Free memory was 50.3MB in the beginning and 47.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. 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 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. 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, 82 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, 545 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 565 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 38 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: 488]: 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, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f284e9f=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@503fd0da=0, NULL=1, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=0, \result=1, retValue_acc=1, tmp___2=29, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, tmp___1=0, tmp=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ac1095=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73152a7f=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@227f4d36=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@268abeb5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59fcd1bb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fe50604=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 488]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L313] int pumpRunning = 0; [L314] int systemActive = 1; [L714] 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() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] 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() [L479] int splverifierCounter ; [L480] int tmp ; [L481] int tmp___0 ; [L482] int tmp___1 ; [L483] int tmp___2 ; [L486] splverifierCounter = 0 Loop: [L488] COND TRUE 1 [L490] COND TRUE splverifierCounter < 4 [L496] tmp = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp)) [L506] tmp___0 = __VERIFIER_nondet_int() [L508] COND FALSE !(\read(tmp___0)) [L516] tmp___2 = __VERIFIER_nondet_int() [L518] COND TRUE \read(tmp___2) [L533] CALL timeShift() [L320] COND FALSE !(\read(pumpRunning)) [L327] COND TRUE \read(systemActive) [L329] CALL processEnvironment() [L349] int tmp ; [L352] COND FALSE !(\read(pumpRunning)) [L367] FCALL processEnvironment__wrappee__methaneQuery() [L329] RET processEnvironment() [L335] CALL __utac_acc__Specification1_spec__1() [L276] int tmp ; [L277] int tmp___0 ; [L281] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L335] RET __utac_acc__Specification1_spec__1() [L533] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:36:32,344 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)