./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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_spec4_product08.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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:58:50,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:58:50,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:58:50,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:58:50,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:58:50,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:58:50,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:58:50,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:58:50,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:58:50,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:58:50,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:58:50,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:58:50,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:58:50,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:58:50,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:58:50,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:58:50,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:58:50,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:58:50,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:58:50,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:58:50,876 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:58:50,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:58:50,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:58:50,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:58:50,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:58:50,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:58:50,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:58:50,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:58:50,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:58:50,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:58:50,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:58:50,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:58:50,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:58:50,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:58:50,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:58:50,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:58:50,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:58:50,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:58:50,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:58:50,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:58:50,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:58:50,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:58:50,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:58:50,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:58:50,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:58:50,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:58:50,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:58:50,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:58:50,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:58:50,914 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:58:50,914 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:58:50,914 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:58:50,915 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:58:50,915 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:58:50,915 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:58:50,915 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:58:50,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:58:50,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:58:50,917 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:58:50,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:58:50,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:58:50,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:58:50,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:58:50,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:58:50,919 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:58:50,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2022-07-14 15:58:51,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:58:51,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:58:51,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:58:51,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:58:51,153 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:58:51,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2022-07-14 15:58:51,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171e331f3/983ad0dc149a45bdb4cd481b3cc44b1e/FLAG36304fd6c [2022-07-14 15:58:51,605 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:58:51,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2022-07-14 15:58:51,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171e331f3/983ad0dc149a45bdb4cd481b3cc44b1e/FLAG36304fd6c [2022-07-14 15:58:51,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/171e331f3/983ad0dc149a45bdb4cd481b3cc44b1e [2022-07-14 15:58:51,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:58:51,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:58:51,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:58:51,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:58:51,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:58:51,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:51,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7bbd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51, skipping insertion in model container [2022-07-14 15:58:51,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:51,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:58:51,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:58:51,889 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_spec4_product08.cil.c[17389,17402] [2022-07-14 15:58:51,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:58:51,896 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:58:51,950 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2022-07-14 15:58:51,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:58:51,961 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:58:51,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51 WrapperNode [2022-07-14 15:58:51,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:58:51,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:58:51,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:58:51,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:58:51,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:51,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,033 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 369 [2022-07-14 15:58:52,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:58:52,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:58:52,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:58:52,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:58:52,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:58:52,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:58:52,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:58:52,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:58:52,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (1/1) ... [2022-07-14 15:58:52,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:58:52,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:58:52,087 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) [2022-07-14 15:58:52,095 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 [2022-07-14 15:58:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:58:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:58:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:58:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:58:52,177 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:58:52,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:58:52,406 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:58:52,411 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:58:52,411 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:58:52,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:58:52 BoogieIcfgContainer [2022-07-14 15:58:52,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:58:52,414 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:58:52,414 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:58:52,429 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:58:52,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:58:52,430 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:58:51" (1/3) ... [2022-07-14 15:58:52,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7962e0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:58:52, skipping insertion in model container [2022-07-14 15:58:52,430 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:58:52,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:58:51" (2/3) ... [2022-07-14 15:58:52,431 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7962e0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:58:52, skipping insertion in model container [2022-07-14 15:58:52,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:58:52,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:58:52" (3/3) ... [2022-07-14 15:58:52,432 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2022-07-14 15:58:52,471 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:58:52,471 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:58:52,471 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:58:52,471 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:58:52,471 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:58:52,471 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:58:52,471 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:58:52,472 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:58:52,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-07-14 15:58:52,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-07-14 15:58:52,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:58:52,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:58:52,495 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:58:52,495 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:58:52,496 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:58:52,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-07-14 15:58:52,500 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-07-14 15:58:52,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:58:52,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:58:52,501 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:58:52,501 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:58:52,505 INFO L752 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 13#L161true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 67#L154true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 34#L169true main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 47#L259true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 87#L235true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 97#L837-2true [2022-07-14 15:58:52,505 INFO L754 eck$LassoCheckResult]: Loop: 97#L837-2true assume !false; 25#L838true assume test_~splverifierCounter~0#1 < 4; 24#L839true test_~tmp~6#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 78#L847true assume !(0 != test_~tmp~6#1); 38#L847-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 75#L857true assume !(0 != test_~tmp___0~1#1); 53#L857-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 85#L867true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5#L823true assume { :end_inline_startSystem } true; 84#L875-2true assume { :begin_inline_timeShift } true; 76#L678true assume !(0 != ~pumpRunning~0); 20#L678-2true assume !(0 != ~systemActive~0); 91#L685-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 29#L131true __utac_acc__Specification4_spec__1_#t~ret34#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret34#1;havoc __utac_acc__Specification4_spec__1_#t~ret34#1; 35#L649true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 49#L649-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 98#L695true assume { :end_inline_timeShift } true; 97#L837-2true [2022-07-14 15:58:52,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:58:52,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-14 15:58:52,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:58:52,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095582868] [2022-07-14 15:58:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:58:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:58:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:52,658 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:58:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:52,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:58:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:58:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash 134246081, now seen corresponding path program 1 times [2022-07-14 15:58:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:58:52,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133930966] [2022-07-14 15:58:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:58:52,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:58:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:58:52,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:58:52,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:58:52,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133930966] [2022-07-14 15:58:52,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133930966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:58:52,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:58:52,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 15:58:52,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322557184] [2022-07-14 15:58:52,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:58:52,809 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-14 15:58:52,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:58:52,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 15:58:52,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 15:58:52,838 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-07-14 15:58:52,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:58:52,900 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2022-07-14 15:58:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 15:58:52,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 237 transitions. [2022-07-14 15:58:52,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2022-07-14 15:58:52,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 167 states and 216 transitions. [2022-07-14 15:58:52,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2022-07-14 15:58:52,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2022-07-14 15:58:52,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 216 transitions. [2022-07-14 15:58:52,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:58:52,924 INFO L369 hiAutomatonCegarLoop]: Abstraction has 167 states and 216 transitions. [2022-07-14 15:58:52,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 216 transitions. [2022-07-14 15:58:52,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2022-07-14 15:58:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2022-07-14 15:58:52,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2022-07-14 15:58:52,958 INFO L392 hiAutomatonCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-07-14 15:58:52,958 INFO L374 stractBuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-07-14 15:58:52,958 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:58:52,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 212 transitions. [2022-07-14 15:58:52,961 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2022-07-14 15:58:52,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:58:52,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:58:52,962 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:58:52,962 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] [2022-07-14 15:58:52,962 INFO L752 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 384#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 340#L161 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 341#L154 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 359#L169 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 303#L259 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 304#L235 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 394#L837-2 [2022-07-14 15:58:52,963 INFO L754 eck$LassoCheckResult]: Loop: 394#L837-2 assume !false; 425#L838 assume test_~splverifierCounter~0#1 < 4; 373#L839 test_~tmp~6#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 374#L847 assume !(0 != test_~tmp~6#1); 382#L847-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 375#L857 assume !(0 != test_~tmp___0~1#1); 323#L857-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 324#L867 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 432#L875 assume !(0 != test_~tmp___1~0#1); 308#L875-2 assume { :begin_inline_timeShift } true; 431#L678 assume !(0 != ~pumpRunning~0); 360#L678-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 361#L710 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 451#L702-1 assume { :end_inline_processEnvironment__wrappee__base } true; 417#L710-1 assume { :end_inline_processEnvironment } true; 396#L685-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret34#1, __utac_acc__Specification4_spec__1_#t~ret35#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 390#L131 __utac_acc__Specification4_spec__1_#t~ret34#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret34#1;havoc __utac_acc__Specification4_spec__1_#t~ret34#1; 391#L649 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 426#L649-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 407#L695 assume { :end_inline_timeShift } true; 394#L837-2 [2022-07-14 15:58:52,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:58:52,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-14 15:58:52,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:58:52,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028990244] [2022-07-14 15:58:52,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:58:52,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:58:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,003 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:58:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:58:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:58:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1267785755, now seen corresponding path program 1 times [2022-07-14 15:58:53,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:58:53,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731166534] [2022-07-14 15:58:53,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:58:53,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:58:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,029 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:58:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:58:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:58:53,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1379183529, now seen corresponding path program 1 times [2022-07-14 15:58:53,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:58:53,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953920542] [2022-07-14 15:58:53,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:58:53,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:58:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:58:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:58:53,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:58:55,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:58:55 BoogieIcfgContainer [2022-07-14 15:58:55,373 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:58:55,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:58:55,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:58:55,374 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:58:55,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:58:52" (3/4) ... [2022-07-14 15:58:55,380 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 15:58:55,430 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 15:58:55,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:58:55,431 INFO L158 Benchmark]: Toolchain (without parser) took 3806.88ms. Allocated memory was 94.4MB in the beginning and 165.7MB in the end (delta: 71.3MB). Free memory was 53.9MB in the beginning and 110.6MB in the end (delta: -56.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,431 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:58:55,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.09ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 61.4MB in the end (delta: -7.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.45ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,432 INFO L158 Benchmark]: Boogie Preprocessor took 26.95ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,432 INFO L158 Benchmark]: RCFGBuilder took 351.14ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 39.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,433 INFO L158 Benchmark]: BuchiAutomizer took 2959.27ms. Allocated memory was 94.4MB in the beginning and 165.7MB in the end (delta: 71.3MB). Free memory was 39.9MB in the beginning and 113.7MB in the end (delta: -73.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,433 INFO L158 Benchmark]: Witness Printer took 57.09ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 110.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:58:55,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 94.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.09ms. Allocated memory is still 94.4MB. Free memory was 53.7MB in the beginning and 61.4MB in the end (delta: -7.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.45ms. Allocated memory is still 94.4MB. Free memory was 61.4MB in the beginning and 58.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.95ms. Allocated memory is still 94.4MB. Free memory was 58.6MB in the beginning and 56.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.14ms. Allocated memory is still 94.4MB. Free memory was 56.7MB in the beginning and 39.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2959.27ms. Allocated memory was 94.4MB in the beginning and 165.7MB in the end (delta: 71.3MB). Free memory was 39.9MB in the beginning and 113.7MB in the end (delta: -73.8MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Witness Printer took 57.09ms. Allocated memory is still 165.7MB. Free memory was 112.7MB in the beginning and 110.6MB 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 3 locations. The remainder module has 164 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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 -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, 115 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 122 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 837]: 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@44fb03f2=0, NULL=1, tmp___0=0, methaneLevelCritical=0, tmp=1, \result=1, retValue_acc=1, retValue_acc=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b489181=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b3ed6f1=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@560651e6=0, systemActive=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a42853b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e135c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6651fc2b=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c549f29=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 837]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L174] int cleanupTimeShifts = 4; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L671] int pumpRunning = 0; [L672] int systemActive = 1; [L250] int retValue_acc ; [L251] int tmp ; [L255] FCALL select_helpers() [L256] FCALL select_features() [L257] CALL, EXPR valid_product() [L165] int retValue_acc ; [L168] retValue_acc = 1 [L169] return (retValue_acc); [L257] RET, EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L244] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) [L884] CALL timeShift() [L678] COND FALSE !(\read(pumpRunning)) [L685] COND TRUE \read(systemActive) [L687] CALL processEnvironment() [L707] int tmp ; [L710] COND FALSE !(\read(pumpRunning)) [L725] FCALL processEnvironment__wrappee__base() [L687] RET processEnvironment() [L693] CALL __utac_acc__Specification4_spec__1() [L642] int tmp ; [L643] int tmp___0 ; [L647] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L647] RET, EXPR getWaterLevel() [L647] tmp = getWaterLevel() [L649] COND FALSE !(tmp == 0) [L693] RET __utac_acc__Specification4_spec__1() [L884] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 15:58:55,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)