./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer --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 2aecaafd474dd8c3ac5a8f35c72875e222b5af60 .......................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 19:52:21,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:52:21,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:52:21,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:52:21,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:52:21,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:52:21,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:52:22,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:52:22,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:52:22,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:52:22,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:52:22,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:52:22,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:52:22,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:52:22,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:52:22,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:52:22,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:52:22,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:52:22,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:52:22,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:52:22,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:52:22,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:52:22,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:52:22,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:52:22,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:52:22,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:52:22,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:52:22,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:52:22,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:52:22,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:52:22,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:52:22,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:52:22,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:52:22,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:52:22,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:52:22,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:52:22,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:52:22,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:52:22,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:52:22,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:52:22,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:52:22,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 19:52:22,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:52:22,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:52:22,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:52:22,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:52:22,162 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:52:22,163 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:52:22,163 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:52:22,163 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:52:22,164 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:52:22,164 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:52:22,164 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:52:22,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:52:22,165 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:52:22,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:52:22,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:52:22,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:52:22,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:52:22,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:52:22,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:52:22,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:52:22,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:52:22,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:52:22,167 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:52:22,168 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:52:22,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:52:22,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:52:22,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:52:22,169 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:52:22,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:52:22,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:52:22,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:52:22,170 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:52:22,171 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:52:22,172 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:/tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2aecaafd474dd8c3ac5a8f35c72875e222b5af60 [2020-11-29 19:52:22,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:52:22,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:52:22,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:52:22,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:52:22,619 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:52:22,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2020-11-29 19:52:22,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/data/ee7ab3643/9544bc42b65644b9a33b600afacb04b1/FLAGdfda53869 [2020-11-29 19:52:23,435 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:52:23,436 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/sv-benchmarks/c/product-lines/minepump_spec5_product11.cil.c [2020-11-29 19:52:23,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/data/ee7ab3643/9544bc42b65644b9a33b600afacb04b1/FLAGdfda53869 [2020-11-29 19:52:23,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/data/ee7ab3643/9544bc42b65644b9a33b600afacb04b1 [2020-11-29 19:52:23,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:52:23,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:52:23,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:52:23,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:52:23,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:52:23,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:52:23" (1/1) ... [2020-11-29 19:52:23,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44469fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:23, skipping insertion in model container [2020-11-29 19:52:23,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:52:23" (1/1) ... [2020-11-29 19:52:23,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:52:23,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:52:24,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:52:24,263 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:52:24,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:52:24,441 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:52:24,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24 WrapperNode [2020-11-29 19:52:24,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:52:24,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:52:24,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:52:24,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:52:24,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:52:24,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:52:24,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:52:24,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:52:24,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... [2020-11-29 19:52:24,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:52:24,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:52:24,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:52:24,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:52:24,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:52:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:52:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:52:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:52:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:52:25,896 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:52:25,899 INFO L298 CfgBuilder]: Removed 90 assume(true) statements. [2020-11-29 19:52:25,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:52:25 BoogieIcfgContainer [2020-11-29 19:52:25,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:52:25,904 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:52:25,904 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:52:25,908 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:52:25,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:52:25,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:52:23" (1/3) ... [2020-11-29 19:52:25,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b0d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:52:25, skipping insertion in model container [2020-11-29 19:52:25,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:52:25,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:52:24" (2/3) ... [2020-11-29 19:52:25,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37b0d67c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:52:25, skipping insertion in model container [2020-11-29 19:52:25,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:52:25,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:52:25" (3/3) ... [2020-11-29 19:52:25,915 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11.cil.c [2020-11-29 19:52:25,988 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:52:25,989 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:52:25,989 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:52:25,990 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:52:25,990 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:52:25,990 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:52:25,991 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:52:25,991 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:52:26,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-29 19:52:26,057 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-29 19:52:26,057 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:52:26,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:52:26,069 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:26,069 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:26,070 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:52:26,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-29 19:52:26,088 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-11-29 19:52:26,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:52:26,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:52:26,090 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:26,090 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:26,105 INFO L794 eck$LassoCheckResult]: Stem: 44#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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(21);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(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 6#L263true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 35#L271true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 50#L227true assume 0 != main_~tmp~0; 38#L198true ~switchedOnBeforeTS~0 := 0; 55#L864true havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L885-1true [2020-11-29 19:52:26,108 INFO L796 eck$LassoCheckResult]: Loop: 10#L885-1true assume !false; 43#L436true assume test_~splverifierCounter~0 < 4; 65#L437true test_~tmp~2 := test_#t~nondet37;havoc test_#t~nondet37; 67#L445true assume !(0 != test_~tmp~2); 69#L445-1true test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; 56#L455true assume !(0 != test_~tmp___0~0); 57#L455-1true test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; 48#L465true assume 0 != test_~tmp___2~0; 8#L471-1true havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 22#L369true __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 42#L874true assume !(0 != ~pumpRunning~0); 34#L292true assume 0 != ~systemActive~0; 14#L299true havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 62#L123true __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 40#L885true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 10#L885-1true [2020-11-29 19:52:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:26,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 19:52:26,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:26,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154128018] [2020-11-29 19:52:26,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:26,464 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:26,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:26,679 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:52:26,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:26,682 INFO L82 PathProgramCache]: Analyzing trace with hash -242843206, now seen corresponding path program 1 times [2020-11-29 19:52:26,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:26,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180350583] [2020-11-29 19:52:26,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:26,694 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:26,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:26,709 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:52:26,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:26,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1691182004, now seen corresponding path program 1 times [2020-11-29 19:52:26,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:26,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161847855] [2020-11-29 19:52:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:52:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:52:26,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161847855] [2020-11-29 19:52:26,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:52:26,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:52:26,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115074847] [2020-11-29 19:52:27,100 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 19:52:27,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:52:27,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 19:52:27,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 19:52:27,207 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 5 states. [2020-11-29 19:52:27,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:52:27,725 INFO L93 Difference]: Finished difference Result 170 states and 230 transitions. [2020-11-29 19:52:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 19:52:27,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 170 states and 230 transitions. [2020-11-29 19:52:27,737 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2020-11-29 19:52:27,747 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 170 states to 152 states and 212 transitions. [2020-11-29 19:52:27,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2020-11-29 19:52:27,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2020-11-29 19:52:27,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 212 transitions. [2020-11-29 19:52:27,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:52:27,754 INFO L691 BuchiCegarLoop]: Abstraction has 152 states and 212 transitions. [2020-11-29 19:52:27,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 212 transitions. [2020-11-29 19:52:27,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 109. [2020-11-29 19:52:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-11-29 19:52:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 148 transitions. [2020-11-29 19:52:27,805 INFO L714 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2020-11-29 19:52:27,805 INFO L594 BuchiCegarLoop]: Abstraction has 109 states and 148 transitions. [2020-11-29 19:52:27,805 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:52:27,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 148 transitions. [2020-11-29 19:52:27,808 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 75 [2020-11-29 19:52:27,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:52:27,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:52:27,810 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:27,810 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:52:27,810 INFO L794 eck$LassoCheckResult]: Stem: 315#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(80, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(117, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(109, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(112, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(110, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(102, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 3 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(32, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);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(21);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(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 269#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 264#L263 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 265#L271 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 302#L227 assume 0 != main_~tmp~0; 307#L198 ~switchedOnBeforeTS~0 := 0; 308#L864 havoc test_#t~nondet37, test_#t~nondet38, test_#t~nondet39, test_#t~nondet40, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 305#L885-1 [2020-11-29 19:52:27,811 INFO L796 eck$LassoCheckResult]: Loop: 305#L885-1 assume !false; 340#L436 assume test_~splverifierCounter~0 < 4; 327#L437 test_~tmp~2 := test_#t~nondet37;havoc test_#t~nondet37; 328#L445 assume !(0 != test_~tmp~2); 330#L445-1 test_~tmp___0~0 := test_#t~nondet38;havoc test_#t~nondet38; 320#L455 assume !(0 != test_~tmp___0~0); 322#L455-1 test_~tmp___2~0 := test_#t~nondet39;havoc test_#t~nondet39; 319#L465 assume 0 != test_~tmp___2~0; 263#L471-1 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 268#L369 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 288#L874 assume !(0 != ~pumpRunning~0); 300#L292 assume 0 != ~systemActive~0; 301#L299 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 343#L123 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 311#L885 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 312#L369-1 __utac_acc__Specification5_spec__3_#t~ret78 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 303#L889 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 305#L885-1 [2020-11-29 19:52:27,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:27,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 19:52:27,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:27,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861387659] [2020-11-29 19:52:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:27,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:27,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:27,965 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:52:27,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:27,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1444103595, now seen corresponding path program 1 times [2020-11-29 19:52:27,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:27,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593351526] [2020-11-29 19:52:27,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:27,982 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:27,993 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:28,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:52:28,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:52:28,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1728251343, now seen corresponding path program 1 times [2020-11-29 19:52:28,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:52:28,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94301552] [2020-11-29 19:52:28,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:52:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:28,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:52:28,249 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:52:28,274 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:52:28,422 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2020-11-29 19:54:11,616 WARN L193 SmtUtils]: Spent 1.72 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 19:55:23,760 WARN L193 SmtUtils]: Spent 1.20 m on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 19:55:24,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:55:24 BoogieIcfgContainer [2020-11-29 19:55:24,036 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:55:24,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:55:24,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:55:24,043 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:55:24,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:52:25" (3/4) ... [2020-11-29 19:55:24,047 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 19:55:24,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_67fdf8ed-c9a8-4c07-8ea4-6af7aca0cf97/bin/uautomizer/witness.graphml [2020-11-29 19:55:24,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:55:24,102 INFO L168 Benchmark]: Toolchain (without parser) took 180411.52 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 77.2 MB in the beginning and 98.0 MB in the end (delta: -20.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,103 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 113.2 MB. Free memory was 83.5 MB in the beginning and 83.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:55:24,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.66 ms. Allocated memory is still 113.2 MB. Free memory was 77.0 MB in the beginning and 79.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.69 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 76.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,105 INFO L168 Benchmark]: Boogie Preprocessor took 45.99 ms. Allocated memory is still 113.2 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,105 INFO L168 Benchmark]: RCFGBuilder took 1310.85 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 77.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,106 INFO L168 Benchmark]: BuchiAutomizer took 178132.77 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 76.4 MB in the beginning and 101.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,107 INFO L168 Benchmark]: Witness Printer took 64.29 ms. Allocated memory is still 144.7 MB. Free memory was 101.2 MB in the beginning and 98.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:55:24,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 113.2 MB. Free memory was 83.5 MB in the beginning and 83.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.66 ms. Allocated memory is still 113.2 MB. Free memory was 77.0 MB in the beginning and 79.2 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 99.69 ms. Allocated memory is still 113.2 MB. Free memory was 79.2 MB in the beginning and 76.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.99 ms. Allocated memory is still 113.2 MB. Free memory was 76.1 MB in the beginning and 74.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1310.85 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 77.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 178132.77 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 76.4 MB in the beginning and 101.2 MB in the end (delta: -24.8 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.1 GB. * Witness Printer took 64.29 ms. Allocated memory is still 144.7 MB. Free memory was 101.2 MB in the beginning and 98.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 178.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 177.2s. Construction of modules took 0.3s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 43 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 132 SDtfs, 239 SDslu, 247 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 435]: 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 {NULL=0, NULL=0, NULL=0, NULL=585, NULL=0, retValue_acc=0, NULL=1, NULL=597, NULL=0, NULL=0, NULL=586, NULL=599, NULL=579, methaneLevelCritical=0, NULL=578, tmp=1, tmp=0, NULL=0, NULL=0, NULL=594, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7413ba83=0, NULL=0, NULL=0, NULL=0, NULL=583, NULL=574, cleanupTimeShifts=4, NULL=570, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3edf2a8d=88, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a9dbc96=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79434721=0, NULL=571, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bcca42=0, NULL=0, systemActive=1, waterLevel=1, NULL=580, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=598, NULL=0, tmp___0=0, NULL=572, NULL=568, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, tmp___0=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59f90f87=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44f881aa=0, NULL=0, retValue_acc=1, NULL=576, NULL=595, NULL=0, NULL=0, NULL=0, NULL=2, tmp___2=88, NULL=581, NULL=573, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a21f5b9=0, NULL=600, NULL=569, NULL=587, NULL=575, head=0, NULL=0, NULL=0, NULL=584, NULL=0, NULL=596, NULL=582, NULL=0, NULL=577, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L137] int cleanupTimeShifts = 4; [L280] int pumpRunning = 0; [L281] int systemActive = 1; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L858] int switchedOnBeforeTS ; [L218] int retValue_acc ; [L219] int tmp ; [L267] int retValue_acc ; [L270] retValue_acc = 1 [L271] return (retValue_acc); [L225] tmp = valid_product() [L227] COND TRUE \read(tmp) [L863] switchedOnBeforeTS = 0 [L426] int splverifierCounter ; [L427] int tmp ; [L428] int tmp___0 ; [L429] int tmp___1 ; [L430] int tmp___2 ; [L433] splverifierCounter = 0 Loop: [L435] COND TRUE 1 [L437] COND TRUE splverifierCounter < 4 [L443] tmp = __VERIFIER_nondet_int() [L445] COND FALSE !(\read(tmp)) [L453] tmp___0 = __VERIFIER_nondet_int() [L455] COND FALSE !(\read(tmp___0)) [L463] tmp___2 = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp___2) [L365] int retValue_acc ; [L368] retValue_acc = pumpRunning [L369] return (retValue_acc); [L872] switchedOnBeforeTS = isPumpRunning() [L292] COND FALSE !(\read(pumpRunning)) [L299] COND TRUE \read(systemActive) [L878] int tmp ; [L879] int tmp___0 ; [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L883] tmp = getWaterLevel() [L885] COND TRUE tmp != 2 [L365] int retValue_acc ; [L368] retValue_acc = pumpRunning [L369] return (retValue_acc); [L887] tmp___0 = isPumpRunning() [L889] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...