./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_product27.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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:16:31,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:16:31,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:16:31,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:16:31,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:16:31,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:16:31,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:16:31,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:16:31,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:16:31,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:16:31,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:16:31,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:16:31,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:16:31,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:16:31,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:16:31,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:16:31,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:16:31,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:16:31,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:16:31,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:16:31,632 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:16:31,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:16:31,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:16:31,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:16:31,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:16:31,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:16:31,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:16:31,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:16:31,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:16:31,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:16:31,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:16:31,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:16:31,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:16:31,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:16:31,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:16:31,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:16:31,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:16:31,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:16:31,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:16:31,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:16:31,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:16:31,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:16:31,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:16:31,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:16:31,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:16:31,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:16:31,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:16:31,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:16:31,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:16:31,680 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:16:31,681 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:16:31,681 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:16:31,681 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:16:31,681 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:16:31,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:16:31,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:16:31,683 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:16:31,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:16:31,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:16:31,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:16:31,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:16:31,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:16:31,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:16:31,685 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:16:31,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2022-07-13 04:16:31,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:16:31,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:16:31,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:16:31,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:16:31,880 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:16:31,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2022-07-13 04:16:31,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3126cdc/3d94d1d28c7d4a4ea4a286b005b7fa43/FLAG3a3b31306 [2022-07-13 04:16:32,297 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:16:32,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2022-07-13 04:16:32,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3126cdc/3d94d1d28c7d4a4ea4a286b005b7fa43/FLAG3a3b31306 [2022-07-13 04:16:32,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e3126cdc/3d94d1d28c7d4a4ea4a286b005b7fa43 [2022-07-13 04:16:32,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:16:32,328 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:16:32,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:32,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:16:32,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:16:32,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5978f954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32, skipping insertion in model container [2022-07-13 04:16:32,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:16:32,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:16:32,488 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_product27.cil.c[2141,2154] [2022-07-13 04:16:32,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:32,564 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:16:32,580 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_product27.cil.c[2141,2154] [2022-07-13 04:16:32,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:32,651 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:16:32,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32 WrapperNode [2022-07-13 04:16:32,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:32,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:32,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:16:32,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:16:32,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,707 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 50, calls inlined = 49, statements flattened = 384 [2022-07-13 04:16:32,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:32,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:16:32,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:16:32,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:16:32,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:16:32,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:16:32,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:16:32,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:16:32,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (1/1) ... [2022-07-13 04:16:32,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:16:32,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:16:32,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:16:32,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:16:32,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:16:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:16:32,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:16:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:16:32,845 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:16:32,846 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:16:33,058 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:16:33,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:16:33,063 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:16:33,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:33 BoogieIcfgContainer [2022-07-13 04:16:33,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:16:33,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:16:33,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:16:33,068 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:16:33,069 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:33,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:16:32" (1/3) ... [2022-07-13 04:16:33,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f4a5183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:33, skipping insertion in model container [2022-07-13 04:16:33,070 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:33,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:32" (2/3) ... [2022-07-13 04:16:33,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f4a5183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:33, skipping insertion in model container [2022-07-13 04:16:33,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:33,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:33" (3/3) ... [2022-07-13 04:16:33,072 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2022-07-13 04:16:33,114 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:16:33,114 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:16:33,114 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:16:33,114 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:16:33,114 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:16:33,115 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:16:33,115 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:16:33,115 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:16:33,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:33,147 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-13 04:16:33,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:33,148 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:33,155 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,155 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,156 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:16:33,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:33,163 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-13 04:16:33,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:33,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:33,165 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,165 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,169 INFO L752 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 48#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 104#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 18#L83true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 50#L305true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 8#L281true assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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; 14#L696-2true [2022-07-13 04:16:33,170 INFO L754 eck$LassoCheckResult]: Loop: 14#L696-2true assume !false; 24#L697true assume test_~splverifierCounter~0#1 < 4; 72#L698true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 92#L706true assume !(0 != test_~tmp~5#1); 74#L706-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 39#L716true assume !(0 != test_~tmp___0~1#1); 82#L716-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 71#L726true assume 0 != test_~tmp___2~0#1; 91#L732-2true assume { :begin_inline_timeShift } true; 69#L762true assume !(0 != ~pumpRunning~0); 9#L762-2true assume !(0 != ~systemActive~0); 44#L769-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 98#L147true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 67#L202true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 80#L202-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 4#L779true assume { :end_inline_timeShift } true; 14#L696-2true [2022-07-13 04:16:33,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:16:33,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528624958] [2022-07-13 04:16:33,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,305 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:33,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785052, now seen corresponding path program 1 times [2022-07-13 04:16:33,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196213157] [2022-07-13 04:16:33,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,403 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:33,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,412 INFO L85 PathProgramCache]: Analyzing trace with hash -279365976, now seen corresponding path program 1 times [2022-07-13 04:16:33,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843640416] [2022-07-13 04:16:33,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:16:33,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:16:33,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:16:33,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843640416] [2022-07-13 04:16:33,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843640416] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:16:33,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:16:33,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:16:33,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328162335] [2022-07-13 04:16:33,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:16:33,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:16:33,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:16:33,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:16:33,668 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2022-07-13 04:16:33,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:16:33,771 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2022-07-13 04:16:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:16:33,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2022-07-13 04:16:33,793 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2022-07-13 04:16:33,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2022-07-13 04:16:33,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2022-07-13 04:16:33,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2022-07-13 04:16:33,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2022-07-13 04:16:33,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:16:33,811 INFO L369 hiAutomatonCegarLoop]: Abstraction has 233 states and 305 transitions. [2022-07-13 04:16:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2022-07-13 04:16:33,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2022-07-13 04:16:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-07-13 04:16:33,840 INFO L392 hiAutomatonCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-07-13 04:16:33,840 INFO L374 stractBuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-07-13 04:16:33,840 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:16:33,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2022-07-13 04:16:33,846 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-07-13 04:16:33,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:33,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:33,848 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,848 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:33,848 INFO L752 eck$LassoCheckResult]: Stem: 473#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 462#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 475#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 433#L83 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 434#L305 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 406#L281 assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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; 394#L696-2 [2022-07-13 04:16:33,849 INFO L754 eck$LassoCheckResult]: Loop: 394#L696-2 assume !false; 424#L697 assume test_~splverifierCounter~0#1 < 4; 437#L698 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 438#L706 assume !(0 != test_~tmp~5#1); 443#L706-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 444#L716 assume !(0 != test_~tmp___0~1#1); 452#L716-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 427#L726 assume 0 != test_~tmp___2~0#1; 429#L732-2 assume { :begin_inline_timeShift } true; 426#L762 assume !(0 != ~pumpRunning~0); 407#L762-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 408#L794 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 448#L786-1 assume { :end_inline_processEnvironment__wrappee__base } true; 392#L794-1 assume { :end_inline_processEnvironment } true; 472#L769-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 471#L147 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 419#L202 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 420#L202-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 393#L779 assume { :end_inline_timeShift } true; 394#L696-2 [2022-07-13 04:16:33,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:16:33,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447377509] [2022-07-13 04:16:33,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:33,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash -313172338, now seen corresponding path program 1 times [2022-07-13 04:16:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457793487] [2022-07-13 04:16:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,908 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:33,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:33,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1988971082, now seen corresponding path program 1 times [2022-07-13 04:16:33,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:33,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43673353] [2022-07-13 04:16:33,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:33,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:36,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:16:36 BoogieIcfgContainer [2022-07-13 04:16:36,205 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:16:36,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:16:36,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:16:36,205 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:16:36,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:33" (3/4) ... [2022-07-13 04:16:36,207 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:16:36,258 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:16:36,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:16:36,259 INFO L158 Benchmark]: Toolchain (without parser) took 3930.80ms. Allocated memory was 88.1MB in the beginning and 134.2MB in the end (delta: 46.1MB). Free memory was 51.5MB in the beginning and 50.4MB in the end (delta: 1.1MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,259 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:16:36,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.97ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 56.3MB in the end (delta: -5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.23ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,260 INFO L158 Benchmark]: Boogie Preprocessor took 26.88ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,261 INFO L158 Benchmark]: RCFGBuilder took 330.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 82.1MB in the end (delta: -30.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,261 INFO L158 Benchmark]: BuchiAutomizer took 3138.87ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 53.5MB in the end (delta: 28.5MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,261 INFO L158 Benchmark]: Witness Printer took 53.16ms. Allocated memory is still 134.2MB. Free memory was 53.5MB in the beginning and 50.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:16:36,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 88.1MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.97ms. Allocated memory is still 88.1MB. Free memory was 51.3MB in the beginning and 56.3MB in the end (delta: -5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.23ms. Allocated memory is still 88.1MB. Free memory was 56.3MB in the beginning and 53.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.88ms. Allocated memory is still 88.1MB. Free memory was 53.5MB in the beginning and 51.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 82.1MB in the end (delta: -30.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3138.87ms. Allocated memory was 107.0MB in the beginning and 134.2MB in the end (delta: 27.3MB). Free memory was 82.1MB in the beginning and 53.5MB in the end (delta: 28.5MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Witness Printer took 53.16ms. Allocated memory is still 134.2MB. Free memory was 53.5MB in the beginning and 50.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. 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 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 696]: 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, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fa2b1cc=29, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c16416f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5087ade3=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4323400c=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@554bf0c6=0, tmp___2=29, cleanupTimeShifts=4, \result=0, tmp=1, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4877d535=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e2555b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58940943=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 696]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L220] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:16:36,298 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)