./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.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_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/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 061cfb2472421d3cfe55520924b41b3593b27e2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-30 00:48:11,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:48:11,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:48:11,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:48:11,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:48:11,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:48:11,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:48:11,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:48:11,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:48:11,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:48:11,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:48:11,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:48:11,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:48:11,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:48:11,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:48:11,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:48:11,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:48:11,581 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:48:11,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:48:11,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:48:11,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:48:11,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:48:11,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:48:11,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:48:11,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:48:11,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:48:11,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:48:11,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:48:11,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:48:11,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:48:11,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:48:11,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:48:11,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:48:11,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:48:11,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:48:11,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:48:11,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:48:11,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:48:11,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:48:11,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:48:11,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:48:11,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:48:11,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:48:11,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:48:11,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:48:11,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:48:11,658 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:48:11,658 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:48:11,659 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:48:11,659 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:48:11,660 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:48:11,660 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:48:11,660 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:48:11,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:48:11,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:48:11,662 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:48:11,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:48:11,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:48:11,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:48:11,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:48:11,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:48:11,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:48:11,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:48:11,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:48:11,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:48:11,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:48:11,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:48:11,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:48:11,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:48:11,667 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:48:11,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:48:11,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:48:11,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:48:11,668 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:48:11,670 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:48:11,670 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_6562012f-c1d3-4b45-9da5-977405e508cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 061cfb2472421d3cfe55520924b41b3593b27e2a [2020-11-30 00:48:11,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:48:12,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:48:12,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:48:12,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:48:12,052 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:48:12,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2020-11-30 00:48:12,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/data/8efb8aad4/a5d96aca036e485b9e854a38bbe7c631/FLAG6c68c4fa5 [2020-11-30 00:48:12,933 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:48:12,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2020-11-30 00:48:12,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/data/8efb8aad4/a5d96aca036e485b9e854a38bbe7c631/FLAG6c68c4fa5 [2020-11-30 00:48:13,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/data/8efb8aad4/a5d96aca036e485b9e854a38bbe7c631 [2020-11-30 00:48:13,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:48:13,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:48:13,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:13,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:48:13,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:48:13,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:13" (1/1) ... [2020-11-30 00:48:13,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18383746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:13, skipping insertion in model container [2020-11-30 00:48:13,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:13" (1/1) ... [2020-11-30 00:48:13,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:48:13,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:48:13,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:13,876 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:48:14,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:14,095 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:48:14,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14 WrapperNode [2020-11-30 00:48:14,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:14,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:14,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:48:14,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:48:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:14,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:48:14,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:48:14,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:48:14,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... [2020-11-30 00:48:14,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:48:14,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:48:14,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:48:14,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:48:14,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/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 [2020-11-30 00:48:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:48:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:48:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:48:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:48:16,207 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:48:16,208 INFO L298 CfgBuilder]: Removed 202 assume(true) statements. [2020-11-30 00:48:16,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:16 BoogieIcfgContainer [2020-11-30 00:48:16,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:48:16,212 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:48:16,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:48:16,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:48:16,219 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:48:16,219 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:48:13" (1/3) ... [2020-11-30 00:48:16,221 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2648c15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:48:16, skipping insertion in model container [2020-11-30 00:48:16,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:48:16,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:14" (2/3) ... [2020-11-30 00:48:16,222 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2648c15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:48:16, skipping insertion in model container [2020-11-30 00:48:16,222 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:48:16,223 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:16" (3/3) ... [2020-11-30 00:48:16,225 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-11-30 00:48:16,298 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:48:16,298 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:48:16,298 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:48:16,298 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:48:16,299 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:48:16,299 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:48:16,299 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:48:16,299 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:48:16,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states. [2020-11-30 00:48:16,354 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2020-11-30 00:48:16,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:16,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:16,366 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:16,366 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:16,367 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:48:16,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states. [2020-11-30 00:48:16,383 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2020-11-30 00:48:16,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:16,383 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:16,385 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:16,385 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:16,391 INFO L794 eck$LassoCheckResult]: Stem: 85#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 5#L-1true havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 30#L105true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 51#L113true main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 121#L949true assume 0 != main_~tmp~9; 14#L926true havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L53-1true [2020-11-30 00:48:16,392 INFO L796 eck$LassoCheckResult]: Loop: 24#L53-1true assume !false; 127#L445true assume test_~splverifierCounter~0 < 4; 58#L446true test_~tmp~5 := test_#t~nondet41;havoc test_#t~nondet41; 88#L454true assume !(0 != test_~tmp~5); 89#L454-1true test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 9#L464true assume !(0 != test_~tmp___0~2); 13#L464-1true test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 44#L474true assume 0 != test_~tmp___2~0; 25#L480-1true assume !(0 != ~pumpRunning~0); 4#L230true assume !(0 != ~systemActive~0); 68#L237true havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 133#L167-3true __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 34#L53true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 24#L53-1true [2020-11-30 00:48:16,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:16,399 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-30 00:48:16,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:16,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533075] [2020-11-30 00:48:16,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:16,724 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:16,968 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:17,051 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:17,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1670724659, now seen corresponding path program 1 times [2020-11-30 00:48:17,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:17,061 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793110092] [2020-11-30 00:48:17,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:17,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:17,100 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:17,107 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:17,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:17,111 INFO L82 PathProgramCache]: Analyzing trace with hash 43554279, now seen corresponding path program 1 times [2020-11-30 00:48:17,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:17,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143179895] [2020-11-30 00:48:17,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:48:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:48:17,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143179895] [2020-11-30 00:48:17,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:48:17,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:48:17,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300391156] [2020-11-30 00:48:17,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:48:17,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:48:17,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:48:17,612 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 6 states. [2020-11-30 00:48:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:48:18,031 INFO L93 Difference]: Finished difference Result 300 states and 426 transitions. [2020-11-30 00:48:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:48:18,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 300 states and 426 transitions. [2020-11-30 00:48:18,052 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 193 [2020-11-30 00:48:18,065 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 300 states to 279 states and 405 transitions. [2020-11-30 00:48:18,066 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 279 [2020-11-30 00:48:18,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 279 [2020-11-30 00:48:18,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 279 states and 405 transitions. [2020-11-30 00:48:18,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:48:18,075 INFO L691 BuchiCegarLoop]: Abstraction has 279 states and 405 transitions. [2020-11-30 00:48:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states and 405 transitions. [2020-11-30 00:48:18,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 162. [2020-11-30 00:48:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-30 00:48:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 234 transitions. [2020-11-30 00:48:18,157 INFO L714 BuchiCegarLoop]: Abstraction has 162 states and 234 transitions. [2020-11-30 00:48:18,157 INFO L594 BuchiCegarLoop]: Abstraction has 162 states and 234 transitions. [2020-11-30 00:48:18,158 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:48:18,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states and 234 transitions. [2020-11-30 00:48:18,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2020-11-30 00:48:18,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:18,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:18,163 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:18,163 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:18,164 INFO L794 eck$LassoCheckResult]: Stem: 546#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 454#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 455#L105 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 494#L113 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 518#L949 assume 0 != main_~tmp~9; 472#L926 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 473#L53-1 [2020-11-30 00:48:18,164 INFO L796 eck$LassoCheckResult]: Loop: 473#L53-1 assume !false; 487#L445 assume test_~splverifierCounter~0 < 4; 524#L446 test_~tmp~5 := test_#t~nondet41;havoc test_#t~nondet41; 525#L454 assume !(0 != test_~tmp~5); 470#L454-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 464#L464 assume !(0 != test_~tmp___0~2); 465#L464-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 471#L474 assume 0 != test_~tmp___2~0; 484#L480-1 assume !(0 != ~pumpRunning~0); 452#L230 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 453#L288 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret20, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 463#L262-1 assume !(0 == ~pumpRunning~0); 461#L237 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 533#L167-3 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 497#L53 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 473#L53-1 [2020-11-30 00:48:18,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:18,165 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-30 00:48:18,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:18,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956020163] [2020-11-30 00:48:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:18,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:18,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:18,373 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:18,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:18,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1966055759, now seen corresponding path program 1 times [2020-11-30 00:48:18,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:18,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683707515] [2020-11-30 00:48:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:48:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:48:18,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683707515] [2020-11-30 00:48:18,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:48:18,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:48:18,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272384396] [2020-11-30 00:48:18,394 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:48:18,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:48:18,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:48:18,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:48:18,396 INFO L87 Difference]: Start difference. First operand 162 states and 234 transitions. cyclomatic complexity: 75 Second operand 3 states. [2020-11-30 00:48:18,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:48:18,583 INFO L93 Difference]: Finished difference Result 201 states and 274 transitions. [2020-11-30 00:48:18,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:48:18,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 201 states and 274 transitions. [2020-11-30 00:48:18,588 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2020-11-30 00:48:18,591 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 201 states to 201 states and 274 transitions. [2020-11-30 00:48:18,592 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 201 [2020-11-30 00:48:18,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 201 [2020-11-30 00:48:18,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 201 states and 274 transitions. [2020-11-30 00:48:18,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:48:18,595 INFO L691 BuchiCegarLoop]: Abstraction has 201 states and 274 transitions. [2020-11-30 00:48:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states and 274 transitions. [2020-11-30 00:48:18,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2020-11-30 00:48:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-11-30 00:48:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 274 transitions. [2020-11-30 00:48:18,610 INFO L714 BuchiCegarLoop]: Abstraction has 201 states and 274 transitions. [2020-11-30 00:48:18,610 INFO L594 BuchiCegarLoop]: Abstraction has 201 states and 274 transitions. [2020-11-30 00:48:18,610 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:48:18,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 274 transitions. [2020-11-30 00:48:18,613 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 142 [2020-11-30 00:48:18,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:18,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:18,614 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:18,615 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:18,615 INFO L794 eck$LassoCheckResult]: Stem: 923#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 822#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 823#L105 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 863#L113 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 891#L949 assume 0 != main_~tmp~9; 838#L926 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 839#L53-1 [2020-11-30 00:48:18,615 INFO L796 eck$LassoCheckResult]: Loop: 839#L53-1 assume !false; 855#L445 assume test_~splverifierCounter~0 < 4; 897#L446 test_~tmp~5 := test_#t~nondet41;havoc test_#t~nondet41; 898#L454 assume !(0 != test_~tmp~5); 836#L454-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 830#L464 assume !(0 != test_~tmp___0~2); 831#L464-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 837#L474 assume 0 != test_~tmp___2~0; 851#L480-1 assume !(0 != ~pumpRunning~0); 820#L230 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 821#L288 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret20, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 829#L262-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret40, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 860#L207-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~4 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 881#L212-1 isHighWaterLevel_#t~ret40 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret40;havoc isHighWaterLevel_#t~ret40; 894#L407-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 922#L407-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 905#L413-1 processEnvironment__wrappee__methaneQuery_#t~ret20 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret20;havoc processEnvironment__wrappee__methaneQuery_#t~ret20; 906#L266-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 828#L237 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 908#L167-3 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 868#L53 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 839#L53-1 [2020-11-30 00:48:18,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:18,616 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2020-11-30 00:48:18,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:18,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391848651] [2020-11-30 00:48:18,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:18,683 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:18,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:18,800 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:18,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:18,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1687938723, now seen corresponding path program 1 times [2020-11-30 00:48:18,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:18,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799419421] [2020-11-30 00:48:18,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:48:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:48:18,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799419421] [2020-11-30 00:48:18,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:48:18,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:48:18,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113515844] [2020-11-30 00:48:18,882 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:48:18,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:48:18,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:48:18,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:48:18,883 INFO L87 Difference]: Start difference. First operand 201 states and 274 transitions. cyclomatic complexity: 76 Second operand 4 states. [2020-11-30 00:48:19,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:48:19,055 INFO L93 Difference]: Finished difference Result 567 states and 762 transitions. [2020-11-30 00:48:19,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:48:19,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 567 states and 762 transitions. [2020-11-30 00:48:19,066 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 410 [2020-11-30 00:48:19,076 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 567 states to 567 states and 762 transitions. [2020-11-30 00:48:19,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 567 [2020-11-30 00:48:19,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 567 [2020-11-30 00:48:19,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 567 states and 762 transitions. [2020-11-30 00:48:19,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:48:19,091 INFO L691 BuchiCegarLoop]: Abstraction has 567 states and 762 transitions. [2020-11-30 00:48:19,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states and 762 transitions. [2020-11-30 00:48:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 213. [2020-11-30 00:48:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-11-30 00:48:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 286 transitions. [2020-11-30 00:48:19,125 INFO L714 BuchiCegarLoop]: Abstraction has 213 states and 286 transitions. [2020-11-30 00:48:19,125 INFO L594 BuchiCegarLoop]: Abstraction has 213 states and 286 transitions. [2020-11-30 00:48:19,126 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-30 00:48:19,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 213 states and 286 transitions. [2020-11-30 00:48:19,128 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 150 [2020-11-30 00:48:19,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:19,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:19,133 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:19,133 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:19,134 INFO L794 eck$LassoCheckResult]: Stem: 1710#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1600#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 1601#L105 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1642#L113 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 1675#L949 assume 0 != main_~tmp~9; 1616#L926 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1617#L53-1 [2020-11-30 00:48:19,134 INFO L796 eck$LassoCheckResult]: Loop: 1617#L53-1 assume !false; 1633#L445 assume test_~splverifierCounter~0 < 4; 1681#L446 test_~tmp~5 := test_#t~nondet41;havoc test_#t~nondet41; 1682#L454 assume !(0 != test_~tmp~5); 1614#L454-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 1782#L464 assume !(0 != test_~tmp___0~2); 1780#L464-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 1778#L474 assume 0 != test_~tmp___2~0; 1777#L480-1 assume !(0 != ~pumpRunning~0); 1598#L230 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1599#L288 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret20, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 1607#L262-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret40, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 1639#L207-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~4 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 1664#L212-1 isHighWaterLevel_#t~ret40 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret40;havoc isHighWaterLevel_#t~ret40; 1708#L407-3 assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; 1709#L407-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1690#L413-1 processEnvironment__wrappee__methaneQuery_#t~ret20 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret20;havoc processEnvironment__wrappee__methaneQuery_#t~ret20; 1691#L266-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 1606#L237 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 1694#L167-3 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 1648#L53 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1617#L53-1 [2020-11-30 00:48:19,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:19,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2020-11-30 00:48:19,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:19,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70028190] [2020-11-30 00:48:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,194 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,265 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:19,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:19,267 INFO L82 PathProgramCache]: Analyzing trace with hash 87068639, now seen corresponding path program 1 times [2020-11-30 00:48:19,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:19,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829380639] [2020-11-30 00:48:19,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:48:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:48:19,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829380639] [2020-11-30 00:48:19,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:48:19,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:48:19,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867736595] [2020-11-30 00:48:19,334 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-30 00:48:19,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:48:19,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:48:19,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:48:19,335 INFO L87 Difference]: Start difference. First operand 213 states and 286 transitions. cyclomatic complexity: 76 Second operand 5 states. [2020-11-30 00:48:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:48:19,616 INFO L93 Difference]: Finished difference Result 660 states and 880 transitions. [2020-11-30 00:48:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:48:19,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 660 states and 880 transitions. [2020-11-30 00:48:19,627 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 484 [2020-11-30 00:48:19,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 660 states to 660 states and 880 transitions. [2020-11-30 00:48:19,636 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 660 [2020-11-30 00:48:19,637 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 660 [2020-11-30 00:48:19,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 660 states and 880 transitions. [2020-11-30 00:48:19,639 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:48:19,639 INFO L691 BuchiCegarLoop]: Abstraction has 660 states and 880 transitions. [2020-11-30 00:48:19,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states and 880 transitions. [2020-11-30 00:48:19,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 231. [2020-11-30 00:48:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-11-30 00:48:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 304 transitions. [2020-11-30 00:48:19,673 INFO L714 BuchiCegarLoop]: Abstraction has 231 states and 304 transitions. [2020-11-30 00:48:19,673 INFO L594 BuchiCegarLoop]: Abstraction has 231 states and 304 transitions. [2020-11-30 00:48:19,674 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-30 00:48:19,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 231 states and 304 transitions. [2020-11-30 00:48:19,676 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 162 [2020-11-30 00:48:19,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:48:19,678 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:48:19,680 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-30 00:48:19,681 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:19,681 INFO L794 eck$LassoCheckResult]: Stem: 2603#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(80, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(117, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(109, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(112, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(110, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(102, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 3 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(32, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 2489#L-1 havoc main_#res;havoc main_#t~ret80, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 2490#L105 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 2531#L113 main_#t~ret80 := valid_product_#res;main_~tmp~9 := main_#t~ret80;havoc main_#t~ret80; 2564#L949 assume 0 != main_~tmp~9; 2504#L926 havoc test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2505#L53-1 [2020-11-30 00:48:19,682 INFO L796 eck$LassoCheckResult]: Loop: 2505#L53-1 assume !false; 2523#L445 assume test_~splverifierCounter~0 < 4; 2642#L446 test_~tmp~5 := test_#t~nondet41;havoc test_#t~nondet41; 2713#L454 assume !(0 != test_~tmp~5); 2711#L454-1 test_~tmp___0~2 := test_#t~nondet42;havoc test_#t~nondet42; 2494#L464 assume !(0 != test_~tmp___0~2); 2495#L464-1 test_~tmp___2~0 := test_#t~nondet43;havoc test_#t~nondet43; 2503#L474 assume 0 != test_~tmp___2~0; 2522#L480-1 assume !(0 != ~pumpRunning~0); 2485#L230 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 2486#L288 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret20, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 2493#L262-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret40, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~4;havoc isHighWaterSensorDry_~retValue_acc~4; 2528#L207-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~4 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~4; 2553#L212-1 isHighWaterLevel_#t~ret40 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret40;havoc isHighWaterLevel_#t~ret40; 2567#L407-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 2604#L407-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 2581#L413-1 processEnvironment__wrappee__methaneQuery_#t~ret20 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret20;havoc processEnvironment__wrappee__methaneQuery_#t~ret20; 2582#L266-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 2584#L237 havoc __utac_acc__Specification1_spec__1_#t~ret7, __utac_acc__Specification1_spec__1_#t~ret8, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 2585#L167-3 __utac_acc__Specification1_spec__1_#t~ret7 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret7;havoc __utac_acc__Specification1_spec__1_#t~ret7; 2536#L53 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 2505#L53-1 [2020-11-30 00:48:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:19,688 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 5 times [2020-11-30 00:48:19,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:19,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014561673] [2020-11-30 00:48:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,774 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,819 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:19,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:19,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1926970203, now seen corresponding path program 1 times [2020-11-30 00:48:19,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:19,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559278382] [2020-11-30 00:48:19,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,844 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,854 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,862 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:19,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:19,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1911925899, now seen corresponding path program 1 times [2020-11-30 00:48:19,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:19,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104905303] [2020-11-30 00:48:19,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:19,991 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:20,019 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:20,205 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2020-11-30 00:50:01,014 WARN L193 SmtUtils]: Spent 1.68 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-30 00:51:01,811 WARN L193 SmtUtils]: Spent 1.01 m on a formula simplification that was a NOOP. DAG size: 433 [2020-11-30 00:51:02,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:51:02 BoogieIcfgContainer [2020-11-30 00:51:02,099 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:51:02,099 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:51:02,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:51:02,100 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:51:02,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:16" (3/4) ... [2020-11-30 00:51:02,103 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 00:51:02,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6562012f-c1d3-4b45-9da5-977405e508cf/bin/uautomizer/witness.graphml [2020-11-30 00:51:02,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:51:02,177 INFO L168 Benchmark]: Toolchain (without parser) took 168972.09 ms. Allocated memory was 121.6 MB in the beginning and 186.6 MB in the end (delta: 65.0 MB). Free memory was 91.5 MB in the beginning and 75.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 81.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,178 INFO L168 Benchmark]: CDTParser took 0.95 ms. Allocated memory is still 83.9 MB. Free memory was 42.0 MB in the beginning and 42.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:51:02,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.78 ms. Allocated memory is still 121.6 MB. Free memory was 91.3 MB in the beginning and 88.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.29 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 84.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,179 INFO L168 Benchmark]: Boogie Preprocessor took 124.84 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 81.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,180 INFO L168 Benchmark]: RCFGBuilder took 1826.53 ms. Allocated memory is still 121.6 MB. Free memory was 81.5 MB in the beginning and 96.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,180 INFO L168 Benchmark]: BuchiAutomizer took 165886.29 ms. Allocated memory was 121.6 MB in the beginning and 186.6 MB in the end (delta: 65.0 MB). Free memory was 96.1 MB in the beginning and 77.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,181 INFO L168 Benchmark]: Witness Printer took 74.58 ms. Allocated memory is still 186.6 MB. Free memory was 77.9 MB in the beginning and 75.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:51:02,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95 ms. Allocated memory is still 83.9 MB. Free memory was 42.0 MB in the beginning and 42.0 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 890.78 ms. Allocated memory is still 121.6 MB. Free memory was 91.3 MB in the beginning and 88.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.29 ms. Allocated memory is still 121.6 MB. Free memory was 88.2 MB in the beginning and 84.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.84 ms. Allocated memory is still 121.6 MB. Free memory was 84.5 MB in the beginning and 81.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1826.53 ms. Allocated memory is still 121.6 MB. Free memory was 81.5 MB in the beginning and 96.1 MB in the end (delta: -14.6 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 165886.29 ms. Allocated memory was 121.6 MB in the beginning and 186.6 MB in the end (delta: 65.0 MB). Free memory was 96.1 MB in the beginning and 77.9 MB in the end (delta: 18.2 MB). Peak memory consumption was 115.6 MB. Max. memory is 16.1 GB. * Witness Printer took 74.58 ms. Allocated memory is still 186.6 MB. Free memory was 77.9 MB in the beginning and 75.9 MB in the end (delta: 2.0 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 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 231 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 165.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 164.2s. Construction of modules took 0.6s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 900 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 231 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 957 SDtfs, 1900 SDslu, 1792 SDs, 0 SdLazy, 220 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time LassoAnalysisResults: nont1 unkn0 SFLI3 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: 444]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1996} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=1996, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d8980ea=0, NULL=2023, NULL=2008, NULL=2019, methaneLevelCritical=0, tmp=0, NULL=0, NULL=2018, NULL=2005, NULL=0, retValue_acc=0, tmp___1=0, NULL=1997, NULL=0, NULL=2022, cleanupTimeShifts=4, NULL=2013, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d5f6abe=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ffd3200=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c1ce05c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be886a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f0a9e04=0, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21c8387e=0, \result=1, head=0, pumpRunning=0, NULL=2017, retValue_acc=1, NULL=0, NULL=0, tmp=0, \result=1, NULL=0, tmp=1, NULL=0, NULL=2000, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=2001, NULL=2024, tmp=0, head=0, tmp=0, tmp=1, NULL=2014, NULL=0, NULL=0, NULL=0, NULL=2020, NULL=2011, NULL=1998, NULL=2004, NULL=2003, tmp___0=0, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=2012, NULL=2010, NULL=0, NULL=0, NULL=0, systemActive=1, \result=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5689a98e=0, retValue_acc=0, NULL=2021, \result=0, NULL=0, NULL=2016, NULL=0, NULL=1999, NULL=0, NULL=2009, NULL=2006, retValue_acc=1, tmp___2=64, splverifierCounter=0, NULL=0, \result=0, NULL=2007, NULL=2015, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b34ea81=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a340ee=0, NULL=0, NULL=0, NULL=2002} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L124] int waterLevel = 1; [L125] int methaneLevelCritical = 0; [L223] int pumpRunning = 0; [L224] int systemActive = 1; [L670] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L867] int cleanupTimeShifts = 4; [L940] int retValue_acc ; [L941] int tmp ; [L109] int retValue_acc ; [L112] retValue_acc = 1 [L113] return (retValue_acc); [L947] tmp = valid_product() [L949] COND TRUE \read(tmp) [L435] int splverifierCounter ; [L436] int tmp ; [L437] int tmp___0 ; [L438] int tmp___1 ; [L439] int tmp___2 ; [L442] splverifierCounter = 0 Loop: [L444] COND TRUE 1 [L446] COND TRUE splverifierCounter < 4 [L452] tmp = __VERIFIER_nondet_int() [L454] COND FALSE !(\read(tmp)) [L462] tmp___0 = __VERIFIER_nondet_int() [L464] COND FALSE !(\read(tmp___0)) [L472] tmp___2 = __VERIFIER_nondet_int() [L474] COND TRUE \read(tmp___2) [L230] COND FALSE !(\read(pumpRunning)) [L237] COND TRUE \read(systemActive) [L285] int tmp ; [L288] COND FALSE !(\read(pumpRunning)) [L259] int tmp ; [L262] COND TRUE ! pumpRunning [L399] int retValue_acc ; [L400] int tmp ; [L401] int tmp___0 ; [L204] int retValue_acc ; [L207] COND TRUE waterLevel < 2 [L208] retValue_acc = 1 [L209] return (retValue_acc); [L405] tmp = isHighWaterSensorDry() [L407] COND TRUE \read(tmp) [L408] tmp___0 = 0 [L412] retValue_acc = tmp___0 [L413] return (retValue_acc); [L264] tmp = isHighWaterLevel() [L266] COND FALSE !(\read(tmp)) [L46] int tmp ; [L47] int tmp___0 ; [L163] int retValue_acc ; [L166] retValue_acc = methaneLevelCritical [L167] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...