./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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_product32.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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:23:43,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:23:43,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:23:43,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:23:43,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:23:43,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:23:43,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:23:43,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:23:43,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:23:43,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:23:43,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:23:43,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:23:43,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:23:43,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:23:43,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:23:43,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:23:43,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:23:43,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:23:43,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:23:43,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:23:43,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:23:43,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:23:43,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:23:43,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:23:43,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:23:43,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:23:43,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:23:43,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:23:43,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:23:43,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:23:43,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:23:43,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:23:43,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:23:43,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:23:43,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:23:43,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:23:43,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:23:43,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:23:43,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:23:43,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:23:43,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:23:43,530 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:23:43,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:23:43,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:23:43,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:23:43,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:23:43,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:23:43,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:23:43,570 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:23:43,571 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:23:43,571 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:23:43,571 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:23:43,571 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:23:43,571 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:23:43,571 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:23:43,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:23:43,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:23:43,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:23:43,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:23:43,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:23:43,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:23:43,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:23:43,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:23:43,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:23:43,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:23:43,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:23:43,574 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:23:43,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:23:43,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:23:43,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:23:43,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:23:43,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:23:43,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:23:43,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:23:43,577 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:23:43,577 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2021-12-22 20:23:43,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:23:43,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:23:43,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:23:43,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:23:43,865 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:23:43,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-12-22 20:23:43,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9f286e3/30a4891dec01434e9715bafcd695c878/FLAG80e78aa8b [2021-12-22 20:23:44,439 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:23:44,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2021-12-22 20:23:44,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9f286e3/30a4891dec01434e9715bafcd695c878/FLAG80e78aa8b [2021-12-22 20:23:44,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9f286e3/30a4891dec01434e9715bafcd695c878 [2021-12-22 20:23:44,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:23:44,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:23:44,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:44,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:23:44,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:23:44,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:44" (1/1) ... [2021-12-22 20:23:44,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe8d599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:44, skipping insertion in model container [2021-12-22 20:23:44,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:44" (1/1) ... [2021-12-22 20:23:44,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:23:44,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:23:45,207 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_product32.cil.c[17338,17351] [2021-12-22 20:23:45,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:45,232 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:23:45,314 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_product32.cil.c[17338,17351] [2021-12-22 20:23:45,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:45,341 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:23:45,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45 WrapperNode [2021-12-22 20:23:45,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:45,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:45,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:23:45,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:23:45,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,428 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 80, statements flattened = 567 [2021-12-22 20:23:45,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:45,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:23:45,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:23:45,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:23:45,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:23:45,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:23:45,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:23:45,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:23:45,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (1/1) ... [2021-12-22 20:23:45,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:45,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:45,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:45,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:23:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:23:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:23:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:23:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:23:45,669 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:23:45,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:23:46,023 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:23:46,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:23:46,030 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 20:23:46,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:46 BoogieIcfgContainer [2021-12-22 20:23:46,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:23:46,032 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:23:46,032 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:23:46,035 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:23:46,035 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:46,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:23:44" (1/3) ... [2021-12-22 20:23:46,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17a1b7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:46, skipping insertion in model container [2021-12-22 20:23:46,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:46,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:45" (2/3) ... [2021-12-22 20:23:46,037 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17a1b7c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:46, skipping insertion in model container [2021-12-22 20:23:46,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:46,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:46" (3/3) ... [2021-12-22 20:23:46,039 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2021-12-22 20:23:46,075 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:23:46,075 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:23:46,075 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:23:46,075 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:23:46,076 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:23:46,076 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:23:46,076 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:23:46,076 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:23:46,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:46,119 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2021-12-22 20:23:46,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:46,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:46,126 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,127 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,127 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:23:46,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:46,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2021-12-22 20:23:46,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:46,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:46,149 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,149 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,158 INFO L791 eck$LassoCheckResult]: Stem: 140#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 48#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 99#L537true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49#L530true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 27#L545true main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 122#L963true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 105#L940true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#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; 3#L592-2true [2021-12-22 20:23:46,159 INFO L793 eck$LassoCheckResult]: Loop: 3#L592-2true assume !false; 89#L593true assume test_~splverifierCounter~0#1 < 4; 120#L594true test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 14#L602true assume !(0 != test_~tmp~4#1); 64#L602-2true test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 6#L612true assume !(0 != test_~tmp___0~1#1); 152#L612-2true test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 113#L622true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 41#L868true assume { :end_inline_startSystem } true; 57#L630-2true assume { :begin_inline_timeShift } true; 134#L661true assume !(0 != ~pumpRunning~0); 42#L661-2true assume !(0 != ~systemActive~0); 141#L668-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 84#L466-1true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 29#L560true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 126#L560-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 124#L678true assume { :end_inline_timeShift } true; 3#L592-2true [2021-12-22 20:23:46,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:46,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-22 20:23:46,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:46,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601799035] [2021-12-22 20:23:46,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:46,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,260 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:46,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:46,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1850086529, now seen corresponding path program 1 times [2021-12-22 20:23:46,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:46,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931336963] [2021-12-22 20:23:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:46,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:23:46,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:23:46,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931336963] [2021-12-22 20:23:46,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931336963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:23:46,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:23:46,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:23:46,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213467226] [2021-12-22 20:23:46,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:23:46,421 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:23:46,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:23:46,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:23:46,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:23:46,456 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:46,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:23:46,527 INFO L93 Difference]: Finished difference Result 295 states and 381 transitions. [2021-12-22 20:23:46,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 20:23:46,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 295 states and 381 transitions. [2021-12-22 20:23:46,546 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2021-12-22 20:23:46,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 295 states to 275 states and 360 transitions. [2021-12-22 20:23:46,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2021-12-22 20:23:46,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2021-12-22 20:23:46,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 360 transitions. [2021-12-22 20:23:46,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:46,572 INFO L681 BuchiCegarLoop]: Abstraction has 275 states and 360 transitions. [2021-12-22 20:23:46,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 360 transitions. [2021-12-22 20:23:46,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 272. [2021-12-22 20:23:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 272 states have (on average 1.3088235294117647) internal successors, (356), 271 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 356 transitions. [2021-12-22 20:23:46,624 INFO L704 BuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2021-12-22 20:23:46,624 INFO L587 BuchiCegarLoop]: Abstraction has 272 states and 356 transitions. [2021-12-22 20:23:46,625 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:23:46,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 272 states and 356 transitions. [2021-12-22 20:23:46,632 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 189 [2021-12-22 20:23:46,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:46,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:46,634 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,634 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:46,634 INFO L791 eck$LassoCheckResult]: Stem: 613#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 538#L537 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 539#L530 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 498#L545 main_#t~ret52#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1; 499#L963 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 592#L940 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#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; 459#L592-2 [2021-12-22 20:23:46,635 INFO L793 eck$LassoCheckResult]: Loop: 459#L592-2 assume !false; 460#L593 assume test_~splverifierCounter~0#1 < 4; 580#L594 test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 666#L602 assume !(0 != test_~tmp~4#1); 664#L602-2 test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 463#L612 assume !(0 != test_~tmp___0~1#1); 465#L612-2 test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 597#L622 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 585#L630 assume !(0 != test_~tmp___1~0#1); 524#L630-2 assume { :begin_inline_timeShift } true; 548#L661 assume !(0 != ~pumpRunning~0); 525#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 526#L719 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 659#L693-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 511#L685-3 assume { :end_inline_processEnvironment__wrappee__base } true; 512#L693-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 471#L719-1 assume { :end_inline_processEnvironment } true; 550#L668-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 575#L466-1 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 502#L560 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 494#L560-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 604#L678 assume { :end_inline_timeShift } true; 459#L592-2 [2021-12-22 20:23:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:46,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-22 20:23:46,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:46,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474327823] [2021-12-22 20:23:46,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,710 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:46,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:46,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1305334304, now seen corresponding path program 1 times [2021-12-22 20:23:46,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:46,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968025804] [2021-12-22 20:23:46,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:46,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,727 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,739 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:46,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:46,744 INFO L85 PathProgramCache]: Analyzing trace with hash -188491612, now seen corresponding path program 1 times [2021-12-22 20:23:46,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:46,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036771506] [2021-12-22 20:23:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:46,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:46,810 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:49,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:23:49 BoogieIcfgContainer [2021-12-22 20:23:49,649 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:23:49,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:23:49,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:23:49,650 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:23:49,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:46" (3/4) ... [2021-12-22 20:23:49,652 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:23:49,693 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:23:49,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:23:49,694 INFO L158 Benchmark]: Toolchain (without parser) took 4919.08ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 54.8MB in the beginning and 52.8MB in the end (delta: 1.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,694 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:49,694 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 73.4MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.35ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,704 INFO L158 Benchmark]: Boogie Preprocessor took 46.15ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,704 INFO L158 Benchmark]: RCFGBuilder took 554.14ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 47.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,705 INFO L158 Benchmark]: BuchiAutomizer took 3616.36ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 55.9MB in the end (delta: -8.2MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,705 INFO L158 Benchmark]: Witness Printer took 43.71ms. Allocated memory is still 125.8MB. Free memory was 55.9MB in the beginning and 52.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:49,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.19ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 73.4MB in the end (delta: -18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.35ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 70.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.15ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.14ms. Allocated memory is still 104.9MB. Free memory was 68.3MB in the beginning and 47.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3616.36ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 47.7MB in the beginning and 55.9MB in the end (delta: -8.2MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Witness Printer took 43.71ms. Allocated memory is still 125.8MB. Free memory was 55.9MB in the beginning and 52.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 272 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 272 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 187 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 383 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 203 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 592]: 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@643a9bc7=0, tmp___0=0, NULL=1, tmp=0, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@575c2ae5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48799c0b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f8dcb4f=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57416f6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c2a00a4=0, tmp___2=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19965a51=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7154b33d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@263374ea=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 592]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 Loop: [L592] COND TRUE 1 [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:23:49,766 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)