./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product04.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 b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:59:29,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:59:29,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:59:29,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:59:29,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:59:29,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:59:29,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:59:29,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:59:29,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:59:29,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:59:29,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:59:29,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:59:29,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:59:29,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:59:29,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:59:29,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:59:29,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:59:29,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:59:29,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:59:29,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:59:29,572 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:59:29,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:59:29,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:59:29,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:59:29,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:59:29,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:59:29,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:59:29,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:59:29,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:59:29,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:59:29,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:59:29,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:59:29,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:59:29,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:59:29,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:59:29,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:59:29,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:59:29,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:59:29,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:59:29,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:59:29,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:59:29,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:59:29,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:59:29,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:59:29,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:59:29,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:59:29,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:59:29,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:59:29,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:59:29,617 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:59:29,617 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:59:29,617 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:59:29,618 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:59:29,618 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:59:29,618 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:59:29,618 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:59:29,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:59:29,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:59:29,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:59:29,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:59:29,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:59:29,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:59:29,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:59:29,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:59:29,623 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:59:29,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b31717b9bd1ac5cd1350f18acb90cf1947e367b4bc98f1fbfc3c2d7d8e7480dc [2022-07-14 15:59:29,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:59:29,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:59:29,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:59:29,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:59:29,862 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:59:29,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2022-07-14 15:59:29,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47754c61b/d839c41b15454d19b7058e100609af72/FLAG1b3fff1c4 [2022-07-14 15:59:30,288 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:59:30,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product04.cil.c [2022-07-14 15:59:30,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47754c61b/d839c41b15454d19b7058e100609af72/FLAG1b3fff1c4 [2022-07-14 15:59:30,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47754c61b/d839c41b15454d19b7058e100609af72 [2022-07-14 15:59:30,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:59:30,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:59:30,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:59:30,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:59:30,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:59:30,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5a186d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30, skipping insertion in model container [2022-07-14 15:59:30,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:59:30,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:59:30,641 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_spec5_product04.cil.c[16991,17004] [2022-07-14 15:59:30,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:59:30,658 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:59:30,700 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_spec5_product04.cil.c[16991,17004] [2022-07-14 15:59:30,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:59:30,712 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:59:30,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30 WrapperNode [2022-07-14 15:59:30,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:59:30,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:59:30,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:59:30,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:59:30,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,765 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 42, statements flattened = 328 [2022-07-14 15:59:30,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:59:30,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:59:30,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:59:30,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:59:30,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:59:30,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:59:30,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:59:30,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:59:30,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (1/1) ... [2022-07-14 15:59:30,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:59:30,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:59:30,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:59:30,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 15:59:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:59:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:59:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:59:30,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:59:30,917 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:59:30,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:59:31,126 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:59:31,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:59:31,131 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:59:31,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:31 BoogieIcfgContainer [2022-07-14 15:59:31,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:59:31,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:59:31,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:59:31,135 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:59:31,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:31,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:59:30" (1/3) ... [2022-07-14 15:59:31,137 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@557bc74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:59:31, skipping insertion in model container [2022-07-14 15:59:31,137 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:31,137 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:30" (2/3) ... [2022-07-14 15:59:31,138 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@557bc74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:59:31, skipping insertion in model container [2022-07-14 15:59:31,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:59:31,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:31" (3/3) ... [2022-07-14 15:59:31,139 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2022-07-14 15:59:31,199 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:59:31,199 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:59:31,199 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:59:31,199 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:59:31,199 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:59:31,200 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:59:31,200 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:59:31,200 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:59:31,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:31,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-07-14 15:59:31,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:31,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:31,236 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:31,236 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] [2022-07-14 15:59:31,237 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:59:31,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:31,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-07-14 15:59:31,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:31,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:31,249 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:31,249 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] [2022-07-14 15:59:31,259 INFO L752 eck$LassoCheckResult]: Stem: 57#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 46#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~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 13#L893true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 86#L886true 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; 80#L901true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 50#L848true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 72#L821true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 42#L59true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L118-2true [2022-07-14 15:59:31,260 INFO L754 eck$LassoCheckResult]: Loop: 68#L118-2true assume !false; 58#L119true assume test_~splverifierCounter~0#1 < 4; 51#L120true test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 63#L128true assume !(0 != test_~tmp~1#1); 90#L128-2true test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 83#L138true assume !(0 != test_~tmp___0~1#1); 25#L138-2true test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 32#L148true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 75#L156true assume !(0 != test_~tmp___1~0#1); 44#L156-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 56#L252true __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 14#L69true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 70#L193true assume !(0 != ~pumpRunning~0); 54#L193-2true assume !(0 != ~systemActive~0); 19#L200-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 71#L757true __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 10#L80true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 53#L80-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 8#L210true assume { :end_inline_timeShift } true; 68#L118-2true [2022-07-14 15:59:31,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,280 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-14 15:59:31,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577833907] [2022-07-14 15:59:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:31,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash -500244103, now seen corresponding path program 1 times [2022-07-14 15:59:31,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687886165] [2022-07-14 15:59:31,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,486 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,496 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,503 INFO L85 PathProgramCache]: Analyzing trace with hash 929504240, now seen corresponding path program 1 times [2022-07-14 15:59:31,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792956208] [2022-07-14 15:59:31,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:59:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:59:31,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:59:31,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792956208] [2022-07-14 15:59:31,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792956208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:59:31,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:59:31,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 15:59:31,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551457497] [2022-07-14 15:59:31,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:59:31,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:59:31,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 15:59:31,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 15:59:31,794 INFO L87 Difference]: Start difference. First operand has 90 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:59:31,878 INFO L93 Difference]: Finished difference Result 316 states and 399 transitions. [2022-07-14 15:59:31,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 15:59:31,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 316 states and 399 transitions. [2022-07-14 15:59:31,886 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 202 [2022-07-14 15:59:31,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 316 states to 276 states and 359 transitions. [2022-07-14 15:59:31,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 276 [2022-07-14 15:59:31,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 276 [2022-07-14 15:59:31,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 276 states and 359 transitions. [2022-07-14 15:59:31,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:59:31,897 INFO L369 hiAutomatonCegarLoop]: Abstraction has 276 states and 359 transitions. [2022-07-14 15:59:31,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states and 359 transitions. [2022-07-14 15:59:31,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 138. [2022-07-14 15:59:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.3043478260869565) internal successors, (180), 137 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:31,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 180 transitions. [2022-07-14 15:59:31,932 INFO L392 hiAutomatonCegarLoop]: Abstraction has 138 states and 180 transitions. [2022-07-14 15:59:31,932 INFO L374 stractBuchiCegarLoop]: Abstraction has 138 states and 180 transitions. [2022-07-14 15:59:31,933 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:59:31,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 180 transitions. [2022-07-14 15:59:31,934 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 99 [2022-07-14 15:59:31,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:31,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:31,935 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:31,935 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:31,935 INFO L752 eck$LassoCheckResult]: Stem: 487#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 481#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~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 439#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 440#L886 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; 498#L901 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 483#L848 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 484#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 476#L59 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 431#L118-2 [2022-07-14 15:59:31,935 INFO L754 eck$LassoCheckResult]: Loop: 431#L118-2 assume !false; 488#L119 assume test_~splverifierCounter~0#1 < 4; 485#L120 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 486#L128 assume !(0 != test_~tmp~1#1); 463#L128-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 500#L138 assume !(0 != test_~tmp___0~1#1); 458#L138-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 459#L148 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 465#L312 assume { :end_inline_startSystem } true; 478#L156-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 479#L252 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 441#L69 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 442#L193 assume !(0 != ~pumpRunning~0); 454#L193-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 451#L217 assume { :end_inline_processEnvironment } true; 449#L200-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 450#L757 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 434#L80 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 436#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 430#L210 assume { :end_inline_timeShift } true; 431#L118-2 [2022-07-14 15:59:31,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,938 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-14 15:59:31,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269267018] [2022-07-14 15:59:31,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1150326009, now seen corresponding path program 1 times [2022-07-14 15:59:31,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808730866] [2022-07-14 15:59:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,965 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:31,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:31,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:31,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1772115614, now seen corresponding path program 1 times [2022-07-14 15:59:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:31,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884076012] [2022-07-14 15:59:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:31,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:59:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:59:32,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:59:32,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884076012] [2022-07-14 15:59:32,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884076012] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 15:59:32,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 15:59:32,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 15:59:32,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006319257] [2022-07-14 15:59:32,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 15:59:32,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:59:32,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 15:59:32,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 15:59:32,106 INFO L87 Difference]: Start difference. First operand 138 states and 180 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:32,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:59:32,179 INFO L93 Difference]: Finished difference Result 352 states and 449 transitions. [2022-07-14 15:59:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 15:59:32,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 352 states and 449 transitions. [2022-07-14 15:59:32,182 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2022-07-14 15:59:32,183 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 352 states to 352 states and 449 transitions. [2022-07-14 15:59:32,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 352 [2022-07-14 15:59:32,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 352 [2022-07-14 15:59:32,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 352 states and 449 transitions. [2022-07-14 15:59:32,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:59:32,186 INFO L369 hiAutomatonCegarLoop]: Abstraction has 352 states and 449 transitions. [2022-07-14 15:59:32,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states and 449 transitions. [2022-07-14 15:59:32,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 260. [2022-07-14 15:59:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.2692307692307692) internal successors, (330), 259 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:59:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 330 transitions. [2022-07-14 15:59:32,195 INFO L392 hiAutomatonCegarLoop]: Abstraction has 260 states and 330 transitions. [2022-07-14 15:59:32,195 INFO L374 stractBuchiCegarLoop]: Abstraction has 260 states and 330 transitions. [2022-07-14 15:59:32,195 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:59:32,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 330 transitions. [2022-07-14 15:59:32,196 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2022-07-14 15:59:32,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:59:32,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:59:32,197 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:32,197 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:59:32,197 INFO L752 eck$LassoCheckResult]: Stem: 1010#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 1002#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~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 944#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 945#L886 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; 1043#L901 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 1004#L848 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1005#L821 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 996#L59 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 997#L118-2 [2022-07-14 15:59:32,197 INFO L754 eck$LassoCheckResult]: Loop: 997#L118-2 assume !false; 1076#L119 assume test_~splverifierCounter~0#1 < 4; 1075#L120 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1073#L128 assume !(0 != test_~tmp~1#1); 1072#L128-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1070#L138 assume !(0 != test_~tmp___0~1#1); 1068#L138-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1064#L148 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1041#L312 assume { :end_inline_startSystem } true; 1042#L156-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1096#L252 __utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1; 1095#L69 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1029#L193 assume !(0 != ~pumpRunning~0); 1030#L193-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 956#L217 assume { :end_inline_processEnvironment } true; 952#L200-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 953#L757 __utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1; 940#L80 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 941#L252-1 __utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1110#L84 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1108#L80-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1077#L210 assume { :end_inline_timeShift } true; 997#L118-2 [2022-07-14 15:59:32,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-14 15:59:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:32,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302477848] [2022-07-14 15:59:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:32,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,205 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:32,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:32,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1637600404, now seen corresponding path program 1 times [2022-07-14 15:59:32,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:32,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752548162] [2022-07-14 15:59:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:32,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:59:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 2079812285, now seen corresponding path program 1 times [2022-07-14 15:59:32,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:59:32,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732676434] [2022-07-14 15:59:32,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:59:32,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:59:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,247 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:59:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:59:32,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:59:34,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:59:34 BoogieIcfgContainer [2022-07-14 15:59:34,415 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:59:34,416 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:59:34,416 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:59:34,416 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:59:34,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:59:31" (3/4) ... [2022-07-14 15:59:34,418 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-14 15:59:34,455 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-14 15:59:34,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:59:34,456 INFO L158 Benchmark]: Toolchain (without parser) took 4147.66ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 56.6MB in the beginning and 64.6MB in the end (delta: -8.0MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,456 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 68.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:59:34,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.85ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 59.5MB in the end (delta: -3.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.92ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,457 INFO L158 Benchmark]: Boogie Preprocessor took 16.75ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:59:34,458 INFO L158 Benchmark]: RCFGBuilder took 349.98ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 38.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,458 INFO L158 Benchmark]: BuchiAutomizer took 3281.91ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.5MB in the beginning and 66.7MB in the end (delta: -28.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,459 INFO L158 Benchmark]: Witness Printer took 39.56ms. Allocated memory is still 144.7MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:59:34,461 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 92.3MB. Free memory was 68.2MB in the beginning and 68.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.85ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 59.5MB in the end (delta: -3.0MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.92ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.75ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 55.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 349.98ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 38.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3281.91ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.5MB in the beginning and 66.7MB in the end (delta: -28.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 39.56ms. Allocated memory is still 144.7MB. Free memory was 66.7MB in the beginning and 64.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 260 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 230 StatesRemovedByMinimization, 2 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, 757 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 757 mSDsluCounter, 1341 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1101 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 240 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 118]: 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@a51d59d=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12372e2c=0, NULL=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2224e7a1=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63404f1=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69570b19=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16c69666=0, methaneLevelCritical=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30b01d59=0, \result=1, tmp=1, retValue_acc=0, tmp___2=29, tmp=0, \result=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=1, \result=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24e0b5c8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 118]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L53] int switchedOnBeforeTS ; [L183] int pumpRunning = 0; [L184] int systemActive = 1; [L485] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L682] int waterLevel = 1; [L683] int methaneLevelCritical = 0; [L762] int cleanupTimeShifts = 4; [L839] int retValue_acc ; [L840] int tmp ; [L844] FCALL select_helpers() [L845] FCALL select_features() [L846] CALL, EXPR valid_product() [L897] int retValue_acc ; [L900] retValue_acc = 1 [L901] return (retValue_acc); [L846] RET, EXPR valid_product() [L846] tmp = valid_product() [L848] COND TRUE \read(tmp) [L850] FCALL setup() [L851] CALL runTest() [L829] CALL __utac_acc__Specification5_spec__1() [L58] switchedOnBeforeTS = 0 [L829] RET __utac_acc__Specification5_spec__1() [L830] CALL test() [L109] int splverifierCounter ; [L110] int tmp ; [L111] int tmp___0 ; [L112] int tmp___1 ; [L113] int tmp___2 ; [L116] splverifierCounter = 0 Loop: [L118] COND TRUE 1 [L120] COND TRUE splverifierCounter < 4 [L126] tmp = __VERIFIER_nondet_int() [L128] COND FALSE !(\read(tmp)) [L136] tmp___0 = __VERIFIER_nondet_int() [L138] COND FALSE !(\read(tmp___0)) [L146] tmp___2 = __VERIFIER_nondet_int() [L148] COND TRUE \read(tmp___2) [L150] CALL startSystem() [L311] systemActive = 1 [L150] RET startSystem() [L165] CALL timeShift() [L191] CALL __utac_acc__Specification5_spec__2() [L67] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L67] RET, EXPR isPumpRunning() [L67] switchedOnBeforeTS = isPumpRunning() [L191] RET __utac_acc__Specification5_spec__2() [L193] COND FALSE !(\read(pumpRunning)) [L200] COND TRUE \read(systemActive) [L202] FCALL processEnvironment() [L208] CALL __utac_acc__Specification5_spec__3() [L73] int tmp ; [L74] int tmp___0 ; [L78] CALL, EXPR getWaterLevel() [L753] int retValue_acc ; [L756] retValue_acc = waterLevel [L757] return (retValue_acc); [L78] RET, EXPR getWaterLevel() [L78] tmp = getWaterLevel() [L80] COND TRUE tmp != 2 [L82] CALL, EXPR isPumpRunning() [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] return (retValue_acc); [L82] RET, EXPR isPumpRunning() [L82] tmp___0 = isPumpRunning() [L84] COND FALSE !(\read(tmp___0)) [L208] RET __utac_acc__Specification5_spec__3() [L165] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-14 15:59:34,522 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)