./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product24.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_product24.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 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:36:32,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:36:32,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:36:32,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:36:32,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:36:32,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:36:32,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:36:32,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:36:32,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:36:32,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:36:32,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:36:32,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:36:32,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:36:32,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:36:32,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:36:32,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:36:32,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:36:32,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:36:32,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:36:32,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:36:32,546 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:36:32,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:36:32,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:36:32,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:36:32,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:36:32,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:36:32,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:36:32,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:36:32,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:36:32,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:36:32,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:36:32,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:36:32,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:36:32,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:36:32,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:36:32,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:36:32,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:36:32,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:36:32,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:36:32,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:36:32,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:36:32,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:36:32,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:36:32,600 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:36:32,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:36:32,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:36:32,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:36:32,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:36:32,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:36:32,603 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:36:32,603 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:36:32,603 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:36:32,604 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:36:32,604 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:36:32,604 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:36:32,604 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:36:32,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:36:32,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:36:32,605 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:36:32,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:36:32,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:36:32,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:36:32,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:36:32,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:36:32,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:36:32,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:36:32,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:36:32,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:36:32,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:36:32,610 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:36:32,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31d3a3aeaf14432da9165203c4752dfec5aaba4c58389408b391b2b6f44be3f5 [2022-07-22 02:36:32,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:36:32,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:36:32,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:36:32,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:36:32,941 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:36:32,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2022-07-22 02:36:32,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216bf5ba/3cada9add1234c198a1a7ff3f84bf07d/FLAG066a54ec7 [2022-07-22 02:36:33,494 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:36:33,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2022-07-22 02:36:33,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216bf5ba/3cada9add1234c198a1a7ff3f84bf07d/FLAG066a54ec7 [2022-07-22 02:36:33,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4216bf5ba/3cada9add1234c198a1a7ff3f84bf07d [2022-07-22 02:36:33,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:36:33,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:36:33,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:33,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:36:34,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:36:34,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:33" (1/1) ... [2022-07-22 02:36:34,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c888da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34, skipping insertion in model container [2022-07-22 02:36:34,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:33" (1/1) ... [2022-07-22 02:36:34,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:36:34,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:36:34,370 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_product24.cil.c[13075,13088] [2022-07-22 02:36:34,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:34,430 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:36:34,491 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_product24.cil.c[13075,13088] [2022-07-22 02:36:34,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:34,532 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:36:34,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34 WrapperNode [2022-07-22 02:36:34,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:34,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:34,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:36:34,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:36:34,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,612 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 567 [2022-07-22 02:36:34,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:34,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:36:34,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:36:34,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:36:34,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:36:34,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:36:34,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:36:34,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:36:34,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (1/1) ... [2022-07-22 02:36:34,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:36:34,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:36:34,718 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 02:36:34,747 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 02:36:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:36:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:36:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:36:34,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:36:34,825 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:36:34,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:36:35,199 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:36:35,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:36:35,224 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:36:35,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:35 BoogieIcfgContainer [2022-07-22 02:36:35,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:36:35,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:36:35,227 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:36:35,230 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:36:35,230 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:35,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:36:33" (1/3) ... [2022-07-22 02:36:35,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37409436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:35, skipping insertion in model container [2022-07-22 02:36:35,231 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:35,231 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:34" (2/3) ... [2022-07-22 02:36:35,231 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37409436 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:35, skipping insertion in model container [2022-07-22 02:36:35,232 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:35,232 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:35" (3/3) ... [2022-07-22 02:36:35,233 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2022-07-22 02:36:35,293 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:36:35,294 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:36:35,294 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:36:35,294 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:36:35,294 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:36:35,294 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:36:35,294 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:36:35,295 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:36:35,300 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) [2022-07-22 02:36:35,333 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-07-22 02:36:35,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:35,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:35,339 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:35,340 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:35,340 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:36:35,342 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) [2022-07-22 02:36:35,357 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-07-22 02:36:35,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:35,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:35,361 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:35,362 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:35,376 INFO L752 eck$LassoCheckResult]: Stem: 138#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 60#L947true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 102#L940true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 84#L955true main_#t~ret38#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1; 12#L708true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 81#L682true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#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; 144#L563-2true [2022-07-22 02:36:35,377 INFO L754 eck$LassoCheckResult]: Loop: 144#L563-2true assume !false; 14#L564true assume test_~splverifierCounter~0#1 < 4; 21#L565true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 64#L573true assume !(0 != test_~tmp~4#1); 128#L573-2true test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 110#L583true assume !(0 != test_~tmp___0~1#1); 34#L583-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 90#L593true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 67#L601true assume !(0 != test_~tmp___1~0#1); 91#L601-2true assume { :begin_inline_timeShift } true; 114#L731true assume !(0 != ~pumpRunning~0); 3#L731-2true assume !(0 != ~systemActive~0); 35#L738-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#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; 83#L466-1true __utac_acc__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1; 118#L522true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 16#L522-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 42#L748true assume { :end_inline_timeShift } true; 144#L563-2true [2022-07-22 02:36:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:35,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:36:35,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:35,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915482672] [2022-07-22 02:36:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:35,543 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:35,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:35,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:35,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1405376753, now seen corresponding path program 1 times [2022-07-22 02:36:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:35,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972114461] [2022-07-22 02:36:35,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:35,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:35,625 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:35,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:35,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1957908939, now seen corresponding path program 1 times [2022-07-22 02:36:35,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:35,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962090866] [2022-07-22 02:36:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:35,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:36:35,805 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 02:36:35,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:36:35,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962090866] [2022-07-22 02:36:35,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962090866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:36:35,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:36:35,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:36:35,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999196355] [2022-07-22 02:36:35,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:36:35,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:36:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:36:35,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:36:35,992 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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 02:36:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:36:36,154 INFO L93 Difference]: Finished difference Result 504 states and 647 transitions. [2022-07-22 02:36:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 02:36:36,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 504 states and 647 transitions. [2022-07-22 02:36:36,165 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 328 [2022-07-22 02:36:36,172 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 504 states to 464 states and 607 transitions. [2022-07-22 02:36:36,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 464 [2022-07-22 02:36:36,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 464 [2022-07-22 02:36:36,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 607 transitions. [2022-07-22 02:36:36,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:36:36,177 INFO L369 hiAutomatonCegarLoop]: Abstraction has 464 states and 607 transitions. [2022-07-22 02:36:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 607 transitions. [2022-07-22 02:36:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 194. [2022-07-22 02:36:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 194 states have (on average 1.309278350515464) internal successors, (254), 193 states have internal predecessors, (254), 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 02:36:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-07-22 02:36:36,211 INFO L392 hiAutomatonCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-07-22 02:36:36,211 INFO L374 stractBuchiCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-07-22 02:36:36,212 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:36:36,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 194 states and 254 transitions. [2022-07-22 02:36:36,213 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 137 [2022-07-22 02:36:36,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:36,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:36,214 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:36,214 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, 1, 1, 1] [2022-07-22 02:36:36,214 INFO L752 eck$LassoCheckResult]: Stem: 817#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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 741#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret38#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 742#L947 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 763#L940 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 788#L955 main_#t~ret38#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret38#1;havoc main_#t~ret38#1; 693#L708 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 694#L682 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#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; 737#L563-2 [2022-07-22 02:36:36,215 INFO L754 eck$LassoCheckResult]: Loop: 737#L563-2 assume !false; 697#L564 assume test_~splverifierCounter~0#1 < 4; 698#L565 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 708#L573 assume !(0 != test_~tmp~4#1); 768#L573-2 test_~tmp___0~1#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 806#L583 assume !(0 != test_~tmp___0~1#1); 696#L583-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 725#L593 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 770#L601 assume !(0 != test_~tmp___1~0#1); 771#L601-2 assume { :begin_inline_timeShift } true; 793#L731 assume !(0 != ~pumpRunning~0); 677#L731-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 678#L789 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret39#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 783#L763-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 778#L755-3 assume { :end_inline_processEnvironment__wrappee__base } true; 705#L763-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 706#L789-1 assume { :end_inline_processEnvironment } true; 726#L738-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret32#1, __utac_acc__Specification1_spec__1_#t~ret33#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; 727#L466-1 __utac_acc__Specification1_spec__1_#t~ret32#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret32#1;havoc __utac_acc__Specification1_spec__1_#t~ret32#1; 787#L522 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 701#L522-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 702#L748 assume { :end_inline_timeShift } true; 737#L563-2 [2022-07-22 02:36:36,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:36:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:36,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121701131] [2022-07-22 02:36:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,230 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:36,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:36,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1305334304, now seen corresponding path program 1 times [2022-07-22 02:36:36,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:36,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989113958] [2022-07-22 02:36:36,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:36,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,252 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:36,258 INFO L85 PathProgramCache]: Analyzing trace with hash -188491612, now seen corresponding path program 1 times [2022-07-22 02:36:36,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:36,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932253737] [2022-07-22 02:36:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,277 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:36,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:39,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:36:39 BoogieIcfgContainer [2022-07-22 02:36:39,226 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:36:39,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:36:39,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:36:39,228 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:36:39,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:35" (3/4) ... [2022-07-22 02:36:39,230 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:36:39,295 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:36:39,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:36:39,296 INFO L158 Benchmark]: Toolchain (without parser) took 5305.95ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 35.3MB in the beginning and 36.5MB in the end (delta: -1.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,297 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 44.0MB. Free memory was 25.6MB in the beginning and 25.5MB in the end (delta: 34.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:39,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.40ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 29.4MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.75ms. Allocated memory is still 54.5MB. Free memory was 29.4MB in the beginning and 26.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,298 INFO L158 Benchmark]: Boogie Preprocessor took 70.24ms. Allocated memory is still 54.5MB. Free memory was 26.2MB in the beginning and 24.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,299 INFO L158 Benchmark]: RCFGBuilder took 540.40ms. Allocated memory is still 54.5MB. Free memory was 24.0MB in the beginning and 29.6MB in the end (delta: -5.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,300 INFO L158 Benchmark]: BuchiAutomizer took 3999.58ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 29.4MB in the beginning and 39.6MB in the end (delta: -10.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,300 INFO L158 Benchmark]: Witness Printer took 68.31ms. Allocated memory is still 98.6MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:39,303 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 44.0MB. Free memory was 25.6MB in the beginning and 25.5MB in the end (delta: 34.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 539.40ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 29.4MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.75ms. Allocated memory is still 54.5MB. Free memory was 29.4MB in the beginning and 26.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.24ms. Allocated memory is still 54.5MB. Free memory was 26.2MB in the beginning and 24.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.40ms. Allocated memory is still 54.5MB. Free memory was 24.0MB in the beginning and 29.6MB in the end (delta: -5.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3999.58ms. Allocated memory was 54.5MB in the beginning and 98.6MB in the end (delta: 44.0MB). Free memory was 29.4MB in the beginning and 39.6MB in the end (delta: -10.2MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 68.31ms. Allocated memory is still 98.6MB. Free memory was 38.6MB in the beginning and 36.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 194 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. 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, 270 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, 911 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 911 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1201 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 200 mSDtfsCounter, 52 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: 563]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32b7d236=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@db13bad=0, tmp___0=0, NULL=1, tmp=0, methaneLevelCritical=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d43f294=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3493885f=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@190352cd=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5415101a=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a120f0c=0, cleanupTimeShifts=4, tmp=1, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32343c2e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fd5bd05=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 563]: 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; [L622] int cleanupTimeShifts = 4; [L724] int pumpRunning = 0; [L725] int systemActive = 1; [L699] int retValue_acc ; [L700] int tmp ; [L704] FCALL select_helpers() [L705] FCALL select_features() [L706] CALL, EXPR valid_product() [L951] int retValue_acc ; [L954] retValue_acc = 1 [L955] return (retValue_acc); [L706] RET, EXPR valid_product() [L706] tmp = valid_product() [L708] COND TRUE \read(tmp) [L710] FCALL setup() [L711] CALL runTest() [L690] CALL test() [L554] int splverifierCounter ; [L555] int tmp ; [L556] int tmp___0 ; [L557] int tmp___1 ; [L558] int tmp___2 ; [L561] splverifierCounter = 0 Loop: [L563] COND TRUE 1 [L565] COND TRUE splverifierCounter < 4 [L571] tmp = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp)) [L581] tmp___0 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___0)) [L591] tmp___2 = __VERIFIER_nondet_int() [L593] COND FALSE !(\read(tmp___2)) [L599] tmp___1 = __VERIFIER_nondet_int() [L601] COND FALSE !(\read(tmp___1)) [L610] CALL timeShift() [L731] COND FALSE !(\read(pumpRunning)) [L738] COND TRUE \read(systemActive) [L740] CALL processEnvironment() [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L804] CALL processEnvironment__wrappee__lowWaterSensor() [L760] int tmp ; [L763] COND FALSE !(\read(pumpRunning)) [L778] FCALL processEnvironment__wrappee__base() [L804] RET processEnvironment__wrappee__lowWaterSensor() [L740] RET processEnvironment() [L746] CALL __utac_acc__Specification1_spec__1() [L515] int tmp ; [L516] int tmp___0 ; [L520] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L520] RET, EXPR isMethaneLevelCritical() [L520] tmp = isMethaneLevelCritical() [L522] COND FALSE !(\read(tmp)) [L746] RET __utac_acc__Specification1_spec__1() [L610] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:36:39,356 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)