./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_spec2_product14.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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:15:57,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:15:57,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:15:57,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:15:57,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:15:57,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:15:57,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:15:57,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:15:57,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:15:57,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:15:57,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:15:57,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:15:57,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:15:57,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:15:57,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:15:57,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:15:57,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:15:57,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:15:57,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:15:57,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:15:57,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:15:57,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:15:57,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:15:57,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:15:57,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:15:57,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:15:57,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:15:57,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:15:57,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:15:57,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:15:57,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:15:57,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:15:57,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:15:57,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:15:57,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:15:57,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:15:57,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:15:57,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:15:57,749 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:15:57,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:15:57,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:15:57,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:15:57,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:15:57,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:15:57,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:15:57,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:15:57,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:15:57,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:15:57,820 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:15:57,820 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:15:57,820 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:15:57,820 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:15:57,821 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:15:57,821 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:15:57,821 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:15:57,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:15:57,821 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:15:57,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:15:57,823 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:15:57,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:15:57,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:15:57,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:15:57,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:15:57,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:15:57,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:15:57,824 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:15:57,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2022-02-21 04:15:58,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:15:58,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:15:58,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:15:58,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:15:58,254 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:15:58,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-02-21 04:15:58,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7587aef3/1cf0ece47b2245799a99a297cd22eea7/FLAG26fe88d4c [2022-02-21 04:15:58,689 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:15:58,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-02-21 04:15:58,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7587aef3/1cf0ece47b2245799a99a297cd22eea7/FLAG26fe88d4c [2022-02-21 04:15:58,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7587aef3/1cf0ece47b2245799a99a297cd22eea7 [2022-02-21 04:15:58,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:15:58,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:15:58,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:15:58,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:15:58,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:15:58,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:15:58" (1/1) ... [2022-02-21 04:15:58,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6308650f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:58, skipping insertion in model container [2022-02-21 04:15:58,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:15:58" (1/1) ... [2022-02-21 04:15:58,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:15:58,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:15:58,907 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_spec2_product14.cil.c[2807,2820] [2022-02-21 04:15:59,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:15:59,041 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:15:59,071 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_spec2_product14.cil.c[2807,2820] [2022-02-21 04:15:59,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:15:59,146 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:15:59,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59 WrapperNode [2022-02-21 04:15:59,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:15:59,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:15:59,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:15:59,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:15:59,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,210 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 378 [2022-02-21 04:15:59,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:15:59,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:15:59,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:15:59,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:15:59,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:15:59,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:15:59,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:15:59,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:15:59,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (1/1) ... [2022-02-21 04:15:59,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:15:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:15:59,292 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) [2022-02-21 04:15:59,325 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 [2022-02-21 04:15:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:15:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:15:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:15:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:15:59,397 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:15:59,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:15:59,632 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:15:59,637 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:15:59,639 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:15:59,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:59 BoogieIcfgContainer [2022-02-21 04:15:59,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:15:59,653 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:15:59,658 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:15:59,661 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:15:59,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:59,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:15:58" (1/3) ... [2022-02-21 04:15:59,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7f5496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:15:59, skipping insertion in model container [2022-02-21 04:15:59,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:59,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:59" (2/3) ... [2022-02-21 04:15:59,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7f5496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:15:59, skipping insertion in model container [2022-02-21 04:15:59,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:59,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:59" (3/3) ... [2022-02-21 04:15:59,664 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2022-02-21 04:15:59,728 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:15:59,729 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:15:59,729 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:15:59,729 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:15:59,729 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:15:59,729 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:15:59,729 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:15:59,729 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:15:59,746 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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) [2022-02-21 04:15:59,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-02-21 04:15:59,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:59,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:59,801 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:59,801 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:59,801 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:15:59,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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) [2022-02-21 04:15:59,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-02-21 04:15:59,811 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:59,811 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:59,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:59,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:59,815 INFO L791 eck$LassoCheckResult]: Stem: 91#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;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#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; 55#L170true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#L163true 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; 25#L178true 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; 14#L270true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 11#L244true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 62#L291true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 21#L701-2true [2022-02-21 04:15:59,816 INFO L793 eck$LassoCheckResult]: Loop: 21#L701-2true assume !false; 20#L702true assume test_~splverifierCounter~0#1 < 4; 16#L703true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 31#L711true assume !(0 != test_~tmp~5#1); 54#L711-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 66#L721true assume !(0 != test_~tmp___0~1#1); 60#L721-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 72#L731true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 4#L739true assume 0 != test_~tmp___1~0#1; 81#L739-2true assume { :begin_inline_timeShift } true; 77#L767true assume !(0 != ~pumpRunning~0); 22#L767-2true assume !(0 != ~systemActive~0); 80#L774-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 37#L99-1true __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 65#L302true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 18#L302-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 90#L784true assume { :end_inline_timeShift } true; 21#L701-2true [2022-02-21 04:15:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:59,820 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:15:59,826 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:59,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873020965] [2022-02-21 04:15:59,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:59,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:59,949 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,023 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash 785612298, now seen corresponding path program 1 times [2022-02-21 04:16:00,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:00,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308666913] [2022-02-21 04:16:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,047 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,053 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:00,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:00,055 INFO L85 PathProgramCache]: Analyzing trace with hash 49670721, now seen corresponding path program 1 times [2022-02-21 04:16:00,055 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:00,055 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749709548] [2022-02-21 04:16:00,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:00,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:00,171 INFO L290 TraceCheckUtils]: 0: Hoare triple {109#true} 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;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:00,172 INFO L290 TraceCheckUtils]: 1: Hoare triple {111#(= 1 ~systemActive~0)} 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; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:00,173 INFO L290 TraceCheckUtils]: 2: Hoare triple {111#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:00,173 INFO L290 TraceCheckUtils]: 3: Hoare triple {111#(= 1 ~systemActive~0)} 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; {112#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:00,174 INFO L290 TraceCheckUtils]: 4: Hoare triple {112#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} 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; {113#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:16:00,174 INFO L290 TraceCheckUtils]: 5: Hoare triple {113#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,175 INFO L290 TraceCheckUtils]: 6: Hoare triple {114#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,175 INFO L290 TraceCheckUtils]: 7: Hoare triple {114#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,176 INFO L290 TraceCheckUtils]: 8: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !false; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,176 INFO L290 TraceCheckUtils]: 9: Hoare triple {114#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,177 INFO L290 TraceCheckUtils]: 10: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,177 INFO L290 TraceCheckUtils]: 11: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~5#1); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,178 INFO L290 TraceCheckUtils]: 12: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,178 INFO L290 TraceCheckUtils]: 13: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,179 INFO L290 TraceCheckUtils]: 14: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,179 INFO L290 TraceCheckUtils]: 15: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,180 INFO L290 TraceCheckUtils]: 16: Hoare triple {114#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~0#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,180 INFO L290 TraceCheckUtils]: 17: Hoare triple {114#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,181 INFO L290 TraceCheckUtils]: 18: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:00,181 INFO L290 TraceCheckUtils]: 19: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {110#false} is VALID [2022-02-21 04:16:00,182 INFO L290 TraceCheckUtils]: 20: Hoare triple {110#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {110#false} is VALID [2022-02-21 04:16:00,182 INFO L290 TraceCheckUtils]: 21: Hoare triple {110#false} __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; {110#false} is VALID [2022-02-21 04:16:00,182 INFO L290 TraceCheckUtils]: 22: Hoare triple {110#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; {110#false} is VALID [2022-02-21 04:16:00,182 INFO L290 TraceCheckUtils]: 23: Hoare triple {110#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {110#false} is VALID [2022-02-21 04:16:00,182 INFO L290 TraceCheckUtils]: 24: Hoare triple {110#false} assume { :end_inline_timeShift } true; {110#false} is VALID [2022-02-21 04:16:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:00,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:00,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749709548] [2022-02-21 04:16:00,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749709548] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:00,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:00,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:00,185 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699853842] [2022-02-21 04:16:00,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:00,305 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:00,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:00,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:00,327 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-02-21 04:16:00,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:00,583 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2022-02-21 04:16:00,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:00,584 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-02-21 04:16:00,606 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:00,610 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2022-02-21 04:16:00,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-02-21 04:16:00,618 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 88 states and 113 transitions. [2022-02-21 04:16:00,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2022-02-21 04:16:00,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2022-02-21 04:16:00,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2022-02-21 04:16:00,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:00,620 INFO L681 BuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-02-21 04:16:00,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2022-02-21 04:16:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-02-21 04:16:00,639 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:00,640 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states and 113 transitions. Second operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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) [2022-02-21 04:16:00,641 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states and 113 transitions. Second operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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) [2022-02-21 04:16:00,642 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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) [2022-02-21 04:16:00,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:00,645 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2022-02-21 04:16:00,645 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-02-21 04:16:00,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:00,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:00,646 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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 88 states and 113 transitions. [2022-02-21 04:16:00,647 INFO L87 Difference]: Start difference. First operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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 88 states and 113 transitions. [2022-02-21 04:16:00,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:00,649 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2022-02-21 04:16:00,649 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2022-02-21 04:16:00,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:00,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:00,650 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:00,650 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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) [2022-02-21 04:16:00,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-02-21 04:16:00,653 INFO L704 BuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-02-21 04:16:00,653 INFO L587 BuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-02-21 04:16:00,653 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:00,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2022-02-21 04:16:00,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-02-21 04:16:00,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:00,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:00,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:00,655 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] [2022-02-21 04:16:00,656 INFO L791 eck$LassoCheckResult]: Stem: 303#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;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 290#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; 291#L170 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L163 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; 279#L178 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; 245#L270 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 243#L244 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 244#L291 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 250#L701-2 [2022-02-21 04:16:00,656 INFO L793 eck$LassoCheckResult]: Loop: 250#L701-2 assume !false; 270#L702 assume test_~splverifierCounter~0#1 < 4; 248#L703 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 249#L711 assume !(0 != test_~tmp~5#1); 286#L711-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 257#L721 assume !(0 != test_~tmp___0~1#1); 234#L721-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 235#L731 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 217#L739 assume 0 != test_~tmp___1~0#1; 218#L739-2 assume { :begin_inline_timeShift } true; 287#L767 assume !(0 != ~pumpRunning~0); 273#L767-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 274#L799 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 275#L791-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 276#L799-1 assume { :end_inline_processEnvironment } true; 285#L774-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 293#L99-1 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 255#L302 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 247#L302-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 262#L784 assume { :end_inline_timeShift } true; 250#L701-2 [2022-02-21 04:16:00,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:00,657 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:16:00,657 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:00,657 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988902813] [2022-02-21 04:16:00,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:00,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,669 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,683 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:00,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1888534189, now seen corresponding path program 1 times [2022-02-21 04:16:00,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:00,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751412459] [2022-02-21 04:16:00,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,694 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:00,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1033907434, now seen corresponding path program 1 times [2022-02-21 04:16:00,695 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:00,695 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948793623] [2022-02-21 04:16:00,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:00,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,708 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:00,722 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:03,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:03 BoogieIcfgContainer [2022-02-21 04:16:03,292 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:03,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:03,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:03,293 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:03,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:59" (3/4) ... [2022-02-21 04:16:03,296 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:03,325 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:03,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:03,326 INFO L158 Benchmark]: Toolchain (without parser) took 4618.25ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 87.3MB in the beginning and 123.3MB in the end (delta: -36.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,326 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:03,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.75ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 80.4MB in the end (delta: 6.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.87ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,327 INFO L158 Benchmark]: Boogie Preprocessor took 49.11ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,327 INFO L158 Benchmark]: RCFGBuilder took 390.45ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 118.2MB in the end (delta: -43.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,328 INFO L158 Benchmark]: BuchiAutomizer took 3639.20ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 118.1MB in the beginning and 126.4MB in the end (delta: -8.3MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,328 INFO L158 Benchmark]: Witness Printer took 32.02ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:03,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.75ms. Allocated memory is still 117.4MB. Free memory was 87.0MB in the beginning and 80.4MB in the end (delta: 6.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.87ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.11ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.45ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 75.2MB in the beginning and 118.2MB in the end (delta: -43.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3639.20ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 118.1MB in the beginning and 126.4MB in the end (delta: -8.3MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Witness Printer took 32.02ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 88 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 88 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 356 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 356 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 118 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 701]: 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, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d164665=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d2efb6e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@419d9eb3=0, \result=1, retValue_acc=1, tmp=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3250c796=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4462b539=29, tmp___2=0, methAndRunningLastTime=0, cleanupTimeShifts=4, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11bda4f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35ddf906=0, head=0, tmp___1=29, NULL=0, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a6ba563=0, systemActive=1, tmp=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 701]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L183] int cleanupTimeShifts = 4; [L285] int methAndRunningLastTime ; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int pumpRunning = 0; [L761] int systemActive = 1; [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L174] int retValue_acc ; [L177] retValue_acc = 1 [L178] return (retValue_acc); [L268] RET, EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification2_spec__1() [L290] methAndRunningLastTime = 0 [L254] RET __utac_acc__Specification2_spec__1() [L255] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___2)) [L737] tmp___1 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___1) [L746] CALL timeShift() [L767] COND FALSE !(\read(pumpRunning)) [L774] COND TRUE \read(systemActive) [L776] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] FCALL processEnvironment__wrappee__methaneQuery() [L776] RET processEnvironment() [L782] CALL __utac_acc__Specification2_spec__2() [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L300] RET, EXPR isMethaneLevelCritical() [L300] tmp = isMethaneLevelCritical() [L302] COND FALSE !(\read(tmp)) [L318] methAndRunningLastTime = 0 [L782] RET __utac_acc__Specification2_spec__2() [L746] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:03,392 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)