./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ab5fcec40cf56ec3fd09ff340006d3fee2f3418 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 20:32:20,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:32:20,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:32:20,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:32:20,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:32:20,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:32:20,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:32:20,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:32:20,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:32:20,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:32:20,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:32:20,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:32:20,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:32:20,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:32:20,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:32:20,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:32:20,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:32:20,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:32:20,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:32:20,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:32:20,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:32:20,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:32:20,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:32:20,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:32:20,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:32:20,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:32:20,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:32:20,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:32:20,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:32:20,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:32:20,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:32:20,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:32:20,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:32:20,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:32:20,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:32:20,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:32:20,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:32:20,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:32:20,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:32:20,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:32:20,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:32:20,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:32:20,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:32:20,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:32:20,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:32:20,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:32:20,883 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:32:20,884 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:32:20,884 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:32:20,884 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:32:20,884 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:32:20,884 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:32:20,885 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:32:20,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:32:20,886 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:32:20,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:32:20,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:32:20,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:32:20,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:32:20,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:32:20,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:32:20,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:32:20,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:32:20,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:32:20,888 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:32:20,888 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:32:20,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:32:20,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:32:20,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:32:20,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:32:20,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:32:20,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:32:20,890 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:32:20,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ab5fcec40cf56ec3fd09ff340006d3fee2f3418 [2021-07-06 20:32:21,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:32:21,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:32:21,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:32:21,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:32:21,202 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:32:21,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2021-07-06 20:32:21,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8abdc43/3fde4aaffade407ca631d7ffd5437a98/FLAG27cb49992 [2021-07-06 20:32:21,762 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:32:21,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2021-07-06 20:32:21,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8abdc43/3fde4aaffade407ca631d7ffd5437a98/FLAG27cb49992 [2021-07-06 20:32:22,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c8abdc43/3fde4aaffade407ca631d7ffd5437a98 [2021-07-06 20:32:22,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:32:22,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:32:22,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:22,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:32:22,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:32:22,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bce03f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22, skipping insertion in model container [2021-07-06 20:32:22,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:32:22,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:32:22,429 WARN L224 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_product05.cil.c[14465,14478] [2021-07-06 20:32:22,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:22,473 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:32:22,563 WARN L224 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_product05.cil.c[14465,14478] [2021-07-06 20:32:22,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:32:22,610 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:32:22,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22 WrapperNode [2021-07-06 20:32:22,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:32:22,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:22,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:32:22,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:32:22,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:32:22,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:32:22,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:32:22,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:32:22,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:32:22,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:32:22,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:32:22,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:32:22,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (1/1) ... [2021-07-06 20:32:22,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:32:22,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:32:22,770 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) [2021-07-06 20:32:22,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 20:32:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:32:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:32:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:32:22,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:32:23,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:32:23,542 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-07-06 20:32:23,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:23 BoogieIcfgContainer [2021-07-06 20:32:23,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:32:23,544 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:32:23,544 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:32:23,547 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:32:23,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:23,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:32:22" (1/3) ... [2021-07-06 20:32:23,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b98302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:23, skipping insertion in model container [2021-07-06 20:32:23,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:23,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:32:22" (2/3) ... [2021-07-06 20:32:23,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9b98302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:32:23, skipping insertion in model container [2021-07-06 20:32:23,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:32:23,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:23" (3/3) ... [2021-07-06 20:32:23,550 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2021-07-06 20:32:23,584 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:32:23,584 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:32:23,584 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:32:23,585 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:32:23,585 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:32:23,585 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:32:23,585 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:32:23,585 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:32:23,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:23,631 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:32:23,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:23,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:23,639 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:23,639 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:23,639 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:32:23,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:23,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:32:23,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:23,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:23,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:23,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:23,660 INFO L791 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 11#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 41#L882true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 55#L890true main_#t~ret67 := valid_product_#res;main_~tmp~6 := main_#t~ret67;havoc main_#t~ret67; 49#L766true assume 0 != main_~tmp~6; 24#L739true ~switchedOnBeforeTS~0 := 0; 8#L51true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 63#L72-1true [2021-07-06 20:32:23,661 INFO L793 eck$LassoCheckResult]: Loop: 63#L72-1true assume !false; 58#L251true assume test_~splverifierCounter~0 < 4; 3#L252true test_~tmp~2 := test_#t~nondet28;havoc test_#t~nondet28; 47#L260true assume !(0 != test_~tmp~2); 44#L260-1true test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 20#L270true assume !(0 != test_~tmp___0~1); 18#L270-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 73#L280true assume 0 != test_~tmp___2~0; 27#L286-2true havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 76#L196true __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 65#L61true assume !(0 != ~pumpRunning~0); 48#L111true assume !(0 != ~systemActive~0); 52#L118true havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 4#L855true __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 66#L72true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 63#L72-1true [2021-07-06 20:32:23,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:23,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:32:23,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:23,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881154861] [2021-07-06 20:32:23,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:23,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:23,926 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:23,996 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,045 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,058 INFO L82 PathProgramCache]: Analyzing trace with hash 93981420, now seen corresponding path program 1 times [2021-07-06 20:32:24,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106718052] [2021-07-06 20:32:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,076 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,086 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,090 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,091 INFO L82 PathProgramCache]: Analyzing trace with hash 2028006630, now seen corresponding path program 1 times [2021-07-06 20:32:24,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910500954] [2021-07-06 20:32:24,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:32:24,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 20:32:24,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:32:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:32:24,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:32:24,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910500954] [2021-07-06 20:32:24,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910500954] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:32:24,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:32:24,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 20:32:24,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651640673] [2021-07-06 20:32:24,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-06 20:32:24,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:32:24,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 20:32:24,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 20:32:24,306 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 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 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:24,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:32:24,432 INFO L93 Difference]: Finished difference Result 75 states and 100 transitions. [2021-07-06 20:32:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 20:32:24,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 100 transitions. [2021-07-06 20:32:24,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-07-06 20:32:24,439 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 93 transitions. [2021-07-06 20:32:24,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2021-07-06 20:32:24,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2021-07-06 20:32:24,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 93 transitions. [2021-07-06 20:32:24,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:32:24,441 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2021-07-06 20:32:24,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 93 transitions. [2021-07-06 20:32:24,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-07-06 20:32:24,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 67 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2021-07-06 20:32:24,470 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2021-07-06 20:32:24,470 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2021-07-06 20:32:24,470 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:32:24,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 93 transitions. [2021-07-06 20:32:24,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-07-06 20:32:24,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:24,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:24,474 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:24,475 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:24,475 INFO L791 eck$LassoCheckResult]: Stem: 223#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 184#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 185#L882 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 224#L890 main_#t~ret67 := valid_product_#res;main_~tmp~6 := main_#t~ret67;havoc main_#t~ret67; 227#L766 assume 0 != main_~tmp~6; 206#L739 ~switchedOnBeforeTS~0 := 0; 178#L51 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 179#L72-1 [2021-07-06 20:32:24,478 INFO L793 eck$LassoCheckResult]: Loop: 179#L72-1 assume !false; 229#L251 assume test_~splverifierCounter~0 < 4; 170#L252 test_~tmp~2 := test_#t~nondet28;havoc test_#t~nondet28; 171#L260 assume !(0 != test_~tmp~2); 222#L260-1 test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 197#L270 assume !(0 != test_~tmp___0~1); 195#L270-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 196#L280 assume 0 != test_~tmp___2~0; 213#L286-2 havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 214#L196 __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 232#L61 assume !(0 != ~pumpRunning~0); 190#L111 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 201#L143 assume !(0 != ~pumpRunning~0); 202#L118 havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L855 __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 169#L72 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 179#L72-1 [2021-07-06 20:32:24,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-07-06 20:32:24,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672218140] [2021-07-06 20:32:24,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,526 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,562 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1402071741, now seen corresponding path program 1 times [2021-07-06 20:32:24,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332923150] [2021-07-06 20:32:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,586 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,592 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,595 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,597 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1576832375, now seen corresponding path program 1 times [2021-07-06 20:32:24,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546513813] [2021-07-06 20:32:24,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:32:24,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:32:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:32:24,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:32:24,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546513813] [2021-07-06 20:32:24,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546513813] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:32:24,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:32:24,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:32:24,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310992999] [2021-07-06 20:32:24,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:24,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-06 20:32:24,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:32:24,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-06 20:32:24,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-06 20:32:24,701 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. cyclomatic complexity: 27 Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:24,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:32:24,825 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2021-07-06 20:32:24,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-06 20:32:24,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 255 transitions. [2021-07-06 20:32:24,833 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2021-07-06 20:32:24,838 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 188 states and 255 transitions. [2021-07-06 20:32:24,838 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2021-07-06 20:32:24,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2021-07-06 20:32:24,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 255 transitions. [2021-07-06 20:32:24,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:32:24,845 INFO L681 BuchiCegarLoop]: Abstraction has 188 states and 255 transitions. [2021-07-06 20:32:24,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 255 transitions. [2021-07-06 20:32:24,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2021-07-06 20:32:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.3333333333333333) internal successors, (172), 128 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:32:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 172 transitions. [2021-07-06 20:32:24,862 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2021-07-06 20:32:24,862 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2021-07-06 20:32:24,862 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-07-06 20:32:24,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 172 transitions. [2021-07-06 20:32:24,865 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2021-07-06 20:32:24,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:32:24,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:32:24,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:24,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:32:24,867 INFO L791 eck$LassoCheckResult]: Stem: 499#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(13);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(77, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(101, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(116, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(104, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string73.base, #t~string73.offset, 1);call write~init~int(82, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(73, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(84, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 4 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(75, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 456#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 457#L882 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 500#L890 main_#t~ret67 := valid_product_#res;main_~tmp~6 := main_#t~ret67;havoc main_#t~ret67; 505#L766 assume 0 != main_~tmp~6; 478#L739 ~switchedOnBeforeTS~0 := 0; 450#L51 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 451#L72-1 [2021-07-06 20:32:24,867 INFO L793 eck$LassoCheckResult]: Loop: 451#L72-1 assume !false; 512#L251 assume test_~splverifierCounter~0 < 4; 442#L252 test_~tmp~2 := test_#t~nondet28;havoc test_#t~nondet28; 443#L260 assume !(0 != test_~tmp~2); 503#L260-1 test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 566#L270 assume !(0 != test_~tmp___0~1); 564#L270-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 563#L280 assume 0 != test_~tmp___2~0; 561#L286-2 havoc __utac_acc__Specification5_spec__2_#t~ret7;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 560#L196 __utac_acc__Specification5_spec__2_#t~ret7 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret7;havoc __utac_acc__Specification5_spec__2_#t~ret7; 559#L61 assume !(0 != ~pumpRunning~0); 557#L111 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 555#L143 assume !(0 != ~pumpRunning~0); 506#L118 havoc __utac_acc__Specification5_spec__3_#t~ret8, __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 440#L855 __utac_acc__Specification5_spec__3_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret8;havoc __utac_acc__Specification5_spec__3_#t~ret8; 441#L72 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 518#L196-1 __utac_acc__Specification5_spec__3_#t~ret9 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 463#L76 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 451#L72-1 [2021-07-06 20:32:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-07-06 20:32:24,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663552331] [2021-07-06 20:32:24,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,894 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,940 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,949 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1228773470, now seen corresponding path program 1 times [2021-07-06 20:32:24,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671698924] [2021-07-06 20:32:24,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,955 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:24,959 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:24,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:24,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:32:24,962 INFO L82 PathProgramCache]: Analyzing trace with hash 787528740, now seen corresponding path program 1 times [2021-07-06 20:32:24,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:32:24,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42419707] [2021-07-06 20:32:24,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:32:24,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:32:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:25,013 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:32:25,037 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:32:25,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:32:25,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:32:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-06 20:33:10,075 WARN L205 SmtUtils]: Spent 44.90 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:33:10,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:33:10,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:33:31,578 WARN L205 SmtUtils]: Spent 21.42 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:33:31,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:33:31 BoogieIcfgContainer [2021-07-06 20:33:31,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:33:31,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:33:31,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:33:31,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:33:31,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:32:23" (3/4) ... [2021-07-06 20:33:31,712 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:33:31,746 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:33:31,746 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:33:31,747 INFO L168 Benchmark]: Toolchain (without parser) took 69596.48 ms. Allocated memory was 54.5 MB in the beginning and 98.6 MB in the end (delta: 44.0 MB). Free memory was 30.8 MB in the beginning and 46.1 MB in the end (delta: -15.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,747 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:33:31,748 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.83 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 42.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,748 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 67.1 MB. Free memory was 42.0 MB in the beginning and 39.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,748 INFO L168 Benchmark]: Boogie Preprocessor took 53.46 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:33:31,749 INFO L168 Benchmark]: RCFGBuilder took 797.57 ms. Allocated memory is still 67.1 MB. Free memory was 36.8 MB in the beginning and 34.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,749 INFO L168 Benchmark]: BuchiAutomizer took 68164.87 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 33.9 MB in the beginning and 49.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,750 INFO L168 Benchmark]: Witness Printer took 36.89 ms. Allocated memory is still 98.6 MB. Free memory was 49.2 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:33:31,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory is still 35.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.83 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 30.7 MB in the beginning and 42.0 MB in the end (delta: -11.4 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.55 ms. Allocated memory is still 67.1 MB. Free memory was 42.0 MB in the beginning and 39.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.46 ms. Allocated memory is still 67.1 MB. Free memory was 39.1 MB in the beginning and 36.8 MB in the end (delta: 2.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 797.57 ms. Allocated memory is still 67.1 MB. Free memory was 36.8 MB in the beginning and 34.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 68164.87 ms. Allocated memory was 67.1 MB in the beginning and 98.6 MB in the end (delta: 31.5 MB). Free memory was 33.9 MB in the beginning and 49.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 51.1 MB. Max. memory is 16.1 GB. * Witness Printer took 36.89 ms. Allocated memory is still 98.6 MB. Free memory was 49.2 MB in the beginning and 46.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 67.6s. Construction of modules took 0.1s. 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 34.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 238 SDtfs, 568 SDslu, 274 SDs, 0 SdLazy, 75 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 138.8ms Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 250]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=22790} State at position 1 is {NULL=43633, NULL=0, NULL=0, NULL=0, NULL=43622, NULL=0, NULL=22790, NULL=43630, retValue_acc=0, NULL=0, NULL=0, NULL=43615, NULL=43635, NULL=43618, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@742bfa67=0, tmp=0, NULL=0, tmp___1=0, tmp=1, NULL=43636, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41e0777=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=22791, NULL=43623, \result=0, NULL=43621, NULL=43616, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=43626, \result=1, NULL=0, NULL=0, NULL=0, NULL=43628, NULL=0, NULL=0, NULL=43625, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34cec905=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=43624, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cb7a912=0, NULL=43612, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75c59cfd=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64fd1321=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c5cb871=64, retValue_acc=1, NULL=43632, NULL=0, NULL=0, NULL=43631, NULL=0, NULL=43611, retValue_acc=1, tmp___2=64, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=43629, NULL=22792, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5faea8c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e6d578c=0, NULL=43627, tmp=0, head=0, retValue_acc=0, NULL=43613, NULL=43617, NULL=0, NULL=43614, NULL=43634, NULL=43619, NULL=43620} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L45] int switchedOnBeforeTS ; [L101] int pumpRunning = 0; [L102] int systemActive = 1; [L474] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int cleanupTimeShifts = 4; [L780] int waterLevel = 1; [L781] int methaneLevelCritical = 0; [L757] int retValue_acc ; [L758] int tmp ; [L886] int retValue_acc ; [L889] retValue_acc = 1 [L890] return (retValue_acc); [L764] tmp = valid_product() [L766] COND TRUE \read(tmp) [L50] switchedOnBeforeTS = 0 [L241] int splverifierCounter ; [L242] int tmp ; [L243] int tmp___0 ; [L244] int tmp___1 ; [L245] int tmp___2 ; [L248] splverifierCounter = 0 Loop: [L250] COND TRUE 1 [L252] COND TRUE splverifierCounter < 4 [L258] tmp = __VERIFIER_nondet_int() [L260] COND FALSE !(\read(tmp)) [L268] tmp___0 = __VERIFIER_nondet_int() [L270] COND FALSE !(\read(tmp___0)) [L278] tmp___2 = __VERIFIER_nondet_int() [L280] COND TRUE \read(tmp___2) [L192] int retValue_acc ; [L195] retValue_acc = pumpRunning [L196] return (retValue_acc); [L59] switchedOnBeforeTS = isPumpRunning() [L111] COND FALSE !(\read(pumpRunning)) [L118] COND TRUE \read(systemActive) [L140] int tmp ; [L143] COND FALSE !(\read(pumpRunning)) [L65] int tmp ; [L66] int tmp___0 ; [L851] int retValue_acc ; [L854] retValue_acc = waterLevel [L855] return (retValue_acc); [L70] tmp = getWaterLevel() [L72] COND TRUE tmp != 2 [L192] int retValue_acc ; [L195] retValue_acc = pumpRunning [L196] return (retValue_acc); [L74] tmp___0 = isPumpRunning() [L76] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:33:31,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...