./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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_product22.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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:32:53,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:32:53,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:32:53,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:32:53,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:32:53,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:32:53,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:32:53,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:32:53,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:32:53,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:32:53,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:32:53,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:32:53,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:32:53,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:32:53,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:32:53,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:32:53,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:32:53,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:32:53,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:32:53,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:32:53,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:32:53,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:32:53,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:32:53,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:32:53,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:32:53,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:32:53,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:32:53,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:32:53,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:32:53,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:32:53,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:32:53,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:32:53,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:32:53,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:32:53,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:32:53,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:32:53,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:32:53,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:32:53,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:32:53,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:32:53,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:32:53,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:32:53,471 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:32:53,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:32:53,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:32:53,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:32:53,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:32:53,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:32:53,477 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:32:53,477 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:32:53,477 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:32:53,478 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:32:53,478 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:32:53,478 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:32:53,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:32:53,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:32:53,480 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:32:53,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:32:53,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:32:53,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:32:53,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:32:53,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:32:53,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:32:53,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:32:53,482 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:32:53,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2021-12-21 22:32:53,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:32:53,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:32:53,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:32:53,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:32:53,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:32:53,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2021-12-21 22:32:53,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb77757b7/d5356994f82348d092ced0dc6497ac14/FLAG1760acd09 [2021-12-21 22:32:54,156 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:32:54,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2021-12-21 22:32:54,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb77757b7/d5356994f82348d092ced0dc6497ac14/FLAG1760acd09 [2021-12-21 22:32:54,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb77757b7/d5356994f82348d092ced0dc6497ac14 [2021-12-21 22:32:54,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:32:54,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:32:54,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:54,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:32:54,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:32:54,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cadcac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54, skipping insertion in model container [2021-12-21 22:32:54,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:32:54,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:32:54,482 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_product22.cil.c[13476,13489] [2021-12-21 22:32:54,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:54,519 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:32:54,554 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_product22.cil.c[13476,13489] [2021-12-21 22:32:54,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:54,583 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:32:54,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54 WrapperNode [2021-12-21 22:32:54,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:54,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:54,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:32:54,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:32:54,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,629 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 78, statements flattened = 560 [2021-12-21 22:32:54,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:54,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:32:54,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:32:54,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:32:54,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:32:54,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:32:54,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:32:54,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:32:54,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:54,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:54,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:32:54,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:32:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:32:54,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:32:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:32:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:32:54,843 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:32:54,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:32:55,197 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:32:55,202 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:32:55,203 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:32:55,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55 BoogieIcfgContainer [2021-12-21 22:32:55,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:32:55,205 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:32:55,205 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:32:55,208 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:32:55,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:32:54" (1/3) ... [2021-12-21 22:32:55,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fc71fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:55, skipping insertion in model container [2021-12-21 22:32:55,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (2/3) ... [2021-12-21 22:32:55,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2fc71fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:55, skipping insertion in model container [2021-12-21 22:32:55,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55" (3/3) ... [2021-12-21 22:32:55,212 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2021-12-21 22:32:55,240 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:32:55,241 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:32:55,241 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:32:55,241 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:32:55,241 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:32:55,241 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:32:55,241 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:32:55,242 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:32:55,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-12-21 22:32:55,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,293 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,294 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,294 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:32:55,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,309 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2021-12-21 22:32:55,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,312 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,313 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,320 INFO L791 eck$LassoCheckResult]: Stem: 134#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 66#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 140#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 29#L83true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 120#L204true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 3#L180true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 52#L885-2true [2021-12-21 22:32:55,321 INFO L793 eck$LassoCheckResult]: Loop: 52#L885-2true assume !false; 147#L886true assume test_~splverifierCounter~0#1 < 4; 139#L887true test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 86#L895true assume !(0 != test_~tmp~8#1); 59#L895-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 135#L905true assume !(0 != test_~tmp___0~2#1); 40#L905-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 104#L915true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 112#L871true assume { :end_inline_startSystem } true; 74#L923-2true assume { :begin_inline_timeShift } true; 46#L696true assume !(0 != ~pumpRunning~0); 26#L696-2true assume !(0 != ~systemActive~0); 50#L703-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 148#L640-1true __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 121#L99true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 48#L99-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 113#L713true assume { :end_inline_timeShift } true; 52#L885-2true [2021-12-21 22:32:55,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-21 22:32:55,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739516527] [2021-12-21 22:32:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,463 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,508 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1638981887, now seen corresponding path program 1 times [2021-12-21 22:32:55,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871129347] [2021-12-21 22:32:55,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:32:55,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:32:55,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871129347] [2021-12-21 22:32:55,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871129347] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:32:55,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:32:55,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-21 22:32:55,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716085700] [2021-12-21 22:32:55,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:32:55,592 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-21 22:32:55,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:32:55,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-21 22:32:55,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-21 22:32:55,619 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:32:55,652 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2021-12-21 22:32:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-21 22:32:55,657 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 189 transitions. [2021-12-21 22:32:55,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-12-21 22:32:55,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2021-12-21 22:32:55,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2021-12-21 22:32:55,665 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2021-12-21 22:32:55,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2021-12-21 22:32:55,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:32:55,666 INFO L681 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-21 22:32:55,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2021-12-21 22:32:55,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-12-21 22:32:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2021-12-21 22:32:55,692 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-21 22:32:55,692 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-12-21 22:32:55,693 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:32:55,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2021-12-21 22:32:55,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2021-12-21 22:32:55,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,696 INFO L791 eck$LassoCheckResult]: Stem: 443#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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 368#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 369#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 410#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 351#L83 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 352#L204 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 308#L180 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 309#L885-2 [2021-12-21 22:32:55,696 INFO L793 eck$LassoCheckResult]: Loop: 309#L885-2 assume !false; 392#L886 assume test_~splverifierCounter~0#1 < 4; 444#L887 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 426#L895 assume !(0 != test_~tmp~8#1); 333#L895-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 399#L905 assume !(0 != test_~tmp___0~2#1); 374#L905-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 375#L915 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 437#L923 assume 0 != test_~tmp___1~0#1; 417#L923-2 assume { :begin_inline_timeShift } true; 383#L696 assume !(0 != ~pumpRunning~0); 311#L696-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 314#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36#1, processEnvironment__wrappee__lowWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5#1; 315#L728-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 343#L720-3 assume { :end_inline_processEnvironment__wrappee__base } true; 418#L728-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 337#L754-1 assume { :end_inline_processEnvironment } true; 338#L703-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_#t~ret6#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 388#L640-1 __utac_acc__Specification1_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret5#1;havoc __utac_acc__Specification1_spec__1_#t~ret5#1; 441#L99 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 381#L99-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 382#L713 assume { :end_inline_timeShift } true; 309#L885-2 [2021-12-21 22:32:55,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-21 22:32:55,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409940101] [2021-12-21 22:32:55,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1849145086, now seen corresponding path program 1 times [2021-12-21 22:32:55,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752220541] [2021-12-21 22:32:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,764 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,769 INFO L85 PathProgramCache]: Analyzing trace with hash -732302394, now seen corresponding path program 1 times [2021-12-21 22:32:55,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293893787] [2021-12-21 22:32:55,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,786 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:58,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:32:58 BoogieIcfgContainer [2021-12-21 22:32:58,218 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:32:58,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:32:58,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:32:58,219 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:32:58,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55" (3/4) ... [2021-12-21 22:32:58,221 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-21 22:32:58,272 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 22:32:58,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:32:58,273 INFO L158 Benchmark]: Toolchain (without parser) took 4094.11ms. Allocated memory was 90.2MB in the beginning and 153.1MB in the end (delta: 62.9MB). Free memory was 56.9MB in the beginning and 92.6MB in the end (delta: -35.7MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,273 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:32:58,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.87ms. Allocated memory is still 90.2MB. Free memory was 56.7MB in the beginning and 58.7MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 90.2MB. Free memory was 58.7MB in the beginning and 55.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,274 INFO L158 Benchmark]: Boogie Preprocessor took 35.02ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,275 INFO L158 Benchmark]: RCFGBuilder took 538.20ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.5MB in the beginning and 100.3MB in the end (delta: -46.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,275 INFO L158 Benchmark]: BuchiAutomizer took 3013.47ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 100.3MB in the beginning and 94.7MB in the end (delta: 5.6MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,275 INFO L158 Benchmark]: Witness Printer took 53.77ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 92.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:58,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.87ms. Allocated memory is still 90.2MB. Free memory was 56.7MB in the beginning and 58.7MB in the end (delta: -2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 90.2MB. Free memory was 58.7MB in the beginning and 55.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.02ms. Allocated memory is still 90.2MB. Free memory was 55.6MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.20ms. Allocated memory was 90.2MB in the beginning and 125.8MB in the end (delta: 35.7MB). Free memory was 53.5MB in the beginning and 100.3MB in the end (delta: -46.8MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3013.47ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 100.3MB in the beginning and 94.7MB in the end (delta: 5.6MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB. * Witness Printer took 53.77ms. Allocated memory is still 153.1MB. Free memory was 94.7MB in the beginning and 92.6MB 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 885]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31752f42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f6ee409=29, NULL=0, head=0, pumpRunning=0, tmp___0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f743a1b=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39463bfd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@832e38b=0, retValue_acc=0, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, \result=1, tmp___2=0, cleanupTimeShifts=4, \result=0, tmp=1, head=0, tmp___1=29, NULL=0, tmp=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a384fb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b13515c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@564e36d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c4ba9fc=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 885]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L117] int cleanupTimeShifts = 4; [L387] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L597] int waterLevel = 1; [L598] int methaneLevelCritical = 0; [L689] int pumpRunning = 0; [L690] int systemActive = 1; [L195] int retValue_acc ; [L196] int tmp ; [L200] FCALL select_helpers() [L201] FCALL select_features() [L202] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L202] RET, EXPR valid_product() [L202] tmp = valid_product() [L204] COND TRUE \read(tmp) [L206] FCALL setup() [L207] CALL runTest() [L189] CALL test() [L876] int splverifierCounter ; [L877] int tmp ; [L878] int tmp___0 ; [L879] int tmp___1 ; [L880] int tmp___2 ; [L883] splverifierCounter = 0 Loop: [L885] COND TRUE 1 [L887] COND TRUE splverifierCounter < 4 [L893] tmp = __VERIFIER_nondet_int() [L895] COND FALSE !(\read(tmp)) [L903] tmp___0 = __VERIFIER_nondet_int() [L905] COND FALSE !(\read(tmp___0)) [L913] tmp___2 = __VERIFIER_nondet_int() [L915] COND FALSE !(\read(tmp___2)) [L921] tmp___1 = __VERIFIER_nondet_int() [L923] COND TRUE \read(tmp___1) [L930] CALL timeShift() [L696] COND FALSE !(\read(pumpRunning)) [L703] COND TRUE \read(systemActive) [L705] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] CALL processEnvironment__wrappee__lowWaterSensor() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] FCALL processEnvironment__wrappee__base() [L769] RET processEnvironment__wrappee__lowWaterSensor() [L705] RET processEnvironment() [L711] CALL __utac_acc__Specification1_spec__1() [L92] int tmp ; [L93] int tmp___0 ; [L97] CALL, EXPR isMethaneLevelCritical() [L636] int retValue_acc ; [L639] retValue_acc = methaneLevelCritical [L640] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L711] RET __utac_acc__Specification1_spec__1() [L930] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-21 22:32:58,321 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)