./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product05.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 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:23:24,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:23:24,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:23:24,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:23:24,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:23:24,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:23:24,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:23:24,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:23:24,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:23:24,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:23:24,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:23:24,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:23:24,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:23:24,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:23:24,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:23:24,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:23:24,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:23:24,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:23:24,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:23:25,004 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:23:25,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:23:25,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:23:25,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:23:25,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:23:25,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:23:25,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:23:25,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:23:25,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:23:25,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:23:25,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:23:25,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:23:25,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:23:25,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:23:25,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:23:25,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:23:25,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:23:25,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:23:25,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:23:25,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:23:25,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:23:25,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:23:25,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:23:25,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:23:25,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:23:25,059 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:23:25,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:23:25,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:23:25,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:23:25,061 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:23:25,061 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:23:25,061 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:23:25,061 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:23:25,062 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:23:25,062 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:23:25,062 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:23:25,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:23:25,063 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:23:25,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:23:25,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:23:25,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:23:25,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:23:25,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:23:25,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:23:25,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:23:25,064 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:23:25,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:23:25,065 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:23:25,065 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:23:25,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:23:25,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:23:25,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:23:25,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:23:25,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:23:25,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:23:25,067 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:23:25,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d79330893ddcb40b29f516de4dd8a28301af3358fb85b9aef9deff219c3c1d [2021-12-22 20:23:25,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:23:25,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:23:25,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:23:25,341 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:23:25,342 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:23:25,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2021-12-22 20:23:25,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b1c900d/28c8f3253ea5413e9f8bcf6d0796226d/FLAG63a489de5 [2021-12-22 20:23:25,841 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:23:25,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product05.cil.c [2021-12-22 20:23:25,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b1c900d/28c8f3253ea5413e9f8bcf6d0796226d/FLAG63a489de5 [2021-12-22 20:23:26,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1b1c900d/28c8f3253ea5413e9f8bcf6d0796226d [2021-12-22 20:23:26,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:23:26,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:23:26,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:26,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:23:26,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:23:26,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d249a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26, skipping insertion in model container [2021-12-22 20:23:26,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:23:26,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:23:26,517 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_product05.cil.c[4546,4559] [2021-12-22 20:23:26,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:26,601 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:23:26,639 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_product05.cil.c[4546,4559] [2021-12-22 20:23:26,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:23:26,707 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:23:26,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26 WrapperNode [2021-12-22 20:23:26,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:23:26,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:26,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:23:26,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:23:26,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,779 INFO L137 Inliner]: procedures = 50, calls = 148, calls flagged for inlining = 45, calls inlined = 47, statements flattened = 359 [2021-12-22 20:23:26,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:23:26,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:23:26,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:23:26,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:23:26,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:23:26,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:23:26,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:23:26,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:23:26,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (1/1) ... [2021-12-22 20:23:26,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:23:26,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:23:26,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:23:26,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:23:26,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:23:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:23:26,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:23:26,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:23:27,001 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:23:27,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:23:27,352 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:23:27,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:23:27,358 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 20:23:27,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:27 BoogieIcfgContainer [2021-12-22 20:23:27,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:23:27,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:23:27,365 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:23:27,368 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:23:27,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:27,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:23:26" (1/3) ... [2021-12-22 20:23:27,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252ff2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:27, skipping insertion in model container [2021-12-22 20:23:27,371 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:27,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:23:26" (2/3) ... [2021-12-22 20:23:27,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@252ff2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:23:27, skipping insertion in model container [2021-12-22 20:23:27,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:23:27,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:27" (3/3) ... [2021-12-22 20:23:27,373 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2021-12-22 20:23:27,432 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:23:27,433 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:23:27,433 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:23:27,433 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:23:27,433 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:23:27,433 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:23:27,434 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:23:27,434 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:23:27,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:27,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-22 20:23:27,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:27,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:27,477 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:27,477 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:27,477 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:23:27,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:27,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2021-12-22 20:23:27,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:27,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:27,493 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:27,493 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:27,502 INFO L791 eck$LassoCheckResult]: Stem: 70#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(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 29#L863true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 85#L856true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 46#L871true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 94#L827true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 60#L801true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 40#L295-2true [2021-12-22 20:23:27,504 INFO L793 eck$LassoCheckResult]: Loop: 40#L295-2true assume !false; 72#L296true assume test_~splverifierCounter~0#1 < 4; 47#L297true test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 82#L305true assume !(0 != test_~tmp~1#1); 68#L305-2true test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 59#L315true assume !(0 != test_~tmp___0~0#1); 19#L315-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 98#L325true assume 0 != test_~tmp___2~0#1; 75#L331-2true assume { :begin_inline_timeShift } true; 34#L149true assume !(0 != ~pumpRunning~0); 69#L149-2true assume !(0 != ~systemActive~0); 42#L156-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#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; 63#L99-1true __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 28#L724true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 71#L724-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 32#L166true assume { :end_inline_timeShift } true; 40#L295-2true [2021-12-22 20:23:27,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:27,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-22 20:23:27,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:27,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854748748] [2021-12-22 20:23:27,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:27,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:27,617 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:27,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:27,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:27,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1035970364, now seen corresponding path program 1 times [2021-12-22 20:23:27,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:27,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170772336] [2021-12-22 20:23:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:27,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:27,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:27,697 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:27,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:27,699 INFO L85 PathProgramCache]: Analyzing trace with hash 319448712, now seen corresponding path program 1 times [2021-12-22 20:23:27,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:27,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529380762] [2021-12-22 20:23:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:27,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:23:27,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:23:27,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:23:27,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529380762] [2021-12-22 20:23:27,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529380762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:23:27,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:23:27,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 20:23:27,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248742600] [2021-12-22 20:23:27,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:23:27,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:23:27,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 20:23:27,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 20:23:27,999 INFO L87 Difference]: Start difference. First operand has 96 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:28,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:23:28,049 INFO L93 Difference]: Finished difference Result 93 states and 115 transitions. [2021-12-22 20:23:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 20:23:28,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 93 states and 115 transitions. [2021-12-22 20:23:28,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-22 20:23:28,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 93 states to 83 states and 105 transitions. [2021-12-22 20:23:28,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 83 [2021-12-22 20:23:28,066 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 83 [2021-12-22 20:23:28,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 105 transitions. [2021-12-22 20:23:28,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:23:28,068 INFO L681 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-22 20:23:28,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 105 transitions. [2021-12-22 20:23:28,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-12-22 20:23:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 83 states have (on average 1.2650602409638554) internal successors, (105), 82 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:23:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 105 transitions. [2021-12-22 20:23:28,097 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-22 20:23:28,097 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 105 transitions. [2021-12-22 20:23:28,097 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:23:28,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 105 transitions. [2021-12-22 20:23:28,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2021-12-22 20:23:28,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:23:28,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:23:28,104 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:23:28,104 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] [2021-12-22 20:23:28,104 INFO L791 eck$LassoCheckResult]: Stem: 285#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(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 274#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~6#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 243#L863 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 244#L856 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 267#L871 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 268#L827 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 280#L801 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 249#L295-2 [2021-12-22 20:23:28,104 INFO L793 eck$LassoCheckResult]: Loop: 249#L295-2 assume !false; 263#L296 assume test_~splverifierCounter~0#1 < 4; 269#L297 test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 270#L305 assume !(0 != test_~tmp~1#1); 273#L305-2 test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 278#L315 assume !(0 != test_~tmp___0~0#1); 232#L315-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 233#L325 assume 0 != test_~tmp___2~0#1; 222#L331-2 assume { :begin_inline_timeShift } true; 252#L149 assume !(0 != ~pumpRunning~0); 253#L149-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 256#L181 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 258#L173-1 assume { :end_inline_processEnvironment__wrappee__base } true; 281#L181-1 assume { :end_inline_processEnvironment } true; 264#L156-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret46#1, __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_~tmp~5#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~5#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#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; 265#L99-1 __utac_acc__Specification1_spec__1_#t~ret46#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~5#1 := __utac_acc__Specification1_spec__1_#t~ret46#1;havoc __utac_acc__Specification1_spec__1_#t~ret46#1; 241#L724 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5#1); 242#L724-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 248#L166 assume { :end_inline_timeShift } true; 249#L295-2 [2021-12-22 20:23:28,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:28,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-22 20:23:28,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:28,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527341276] [2021-12-22 20:23:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:28,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:28,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:28,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2086246941, now seen corresponding path program 1 times [2021-12-22 20:23:28,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:28,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541580249] [2021-12-22 20:23:28,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:28,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,161 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,167 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:23:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 215896479, now seen corresponding path program 1 times [2021-12-22 20:23:28,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:23:28,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658743533] [2021-12-22 20:23:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:23:28,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:23:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,195 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:23:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:23:28,213 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:23:31,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:23:31 BoogieIcfgContainer [2021-12-22 20:23:31,323 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:23:31,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:23:31,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:23:31,328 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:23:31,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:23:27" (3/4) ... [2021-12-22 20:23:31,332 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:23:31,383 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:23:31,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:23:31,385 INFO L158 Benchmark]: Toolchain (without parser) took 5173.19ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 70.5MB in the beginning and 67.8MB in the end (delta: 2.7MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,385 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 57.8MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:31,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.24ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 69.9MB in the end (delta: 277.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.09ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,386 INFO L158 Benchmark]: Boogie Preprocessor took 49.50ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,387 INFO L158 Benchmark]: RCFGBuilder took 528.81ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 49.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,387 INFO L158 Benchmark]: BuchiAutomizer took 3957.88ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 49.5MB in the beginning and 69.9MB in the end (delta: -20.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2021-12-22 20:23:31,388 INFO L158 Benchmark]: Witness Printer took 58.19ms. Allocated memory is still 161.5MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:23:31,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 57.8MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.24ms. Allocated memory is still 100.7MB. Free memory was 70.2MB in the beginning and 69.9MB in the end (delta: 277.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.09ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 67.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.50ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.81ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 49.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3957.88ms. Allocated memory was 100.7MB in the beginning and 161.5MB in the end (delta: 60.8MB). Free memory was 49.5MB in the beginning and 69.9MB in the end (delta: -20.4MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 58.19ms. Allocated memory is still 161.5MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). There was no memory consumed. 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 83 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 335 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 335 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 110 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: 295]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b4827f0=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, tmp___0=0, methaneLevelCritical=0, retValue_acc=1, \result=0, retValue_acc=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12a3d871=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f84772c=0, retValue_acc=0, tmp___2=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@637e0676=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68b6d4d8=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2eb11c96=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56d2739=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57169eae=0, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 295]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L519] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L742] int cleanupTimeShifts = 4; [L818] int retValue_acc ; [L819] int tmp ; [L823] FCALL select_helpers() [L824] FCALL select_features() [L825] CALL, EXPR valid_product() [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); [L825] RET, EXPR valid_product() [L825] tmp = valid_product() [L827] COND TRUE \read(tmp) [L829] FCALL setup() [L830] CALL runTest() [L809] CALL test() [L286] int splverifierCounter ; [L287] int tmp ; [L288] int tmp___0 ; [L289] int tmp___1 ; [L290] int tmp___2 ; [L293] splverifierCounter = 0 Loop: [L295] COND TRUE 1 [L297] COND TRUE splverifierCounter < 4 [L303] tmp = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp)) [L313] tmp___0 = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp___0)) [L323] tmp___2 = __VERIFIER_nondet_int() [L325] COND TRUE \read(tmp___2) [L338] CALL timeShift() [L149] COND FALSE !(\read(pumpRunning)) [L156] COND TRUE \read(systemActive) [L158] CALL processEnvironment() [L178] int tmp ; [L181] COND FALSE !(\read(pumpRunning)) [L196] FCALL processEnvironment__wrappee__base() [L158] RET processEnvironment() [L164] CALL __utac_acc__Specification1_spec__1() [L717] int tmp ; [L718] int tmp___0 ; [L722] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L722] RET, EXPR isMethaneLevelCritical() [L722] tmp = isMethaneLevelCritical() [L724] COND FALSE !(\read(tmp)) [L164] RET __utac_acc__Specification1_spec__1() [L338] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:23:31,431 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)