./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-6b5699a [2019-11-25 08:45:38,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:38,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:38,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:38,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:38,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:38,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:38,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:38,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:38,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:38,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:38,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:38,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:38,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:38,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:38,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:38,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:38,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:38,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:38,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:38,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:38,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:38,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:38,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:38,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:38,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:38,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:38,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:38,097 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:38,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:38,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:38,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:38,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:38,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:38,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:38,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:38,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:38,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:38,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:38,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:38,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:38,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:45:38,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:38,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:38,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:38,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:38,146 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:38,146 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:45:38,146 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:45:38,147 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:45:38,147 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:45:38,147 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:45:38,147 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:45:38,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:38,148 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:38,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:45:38,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:38,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:38,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:38,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:45:38,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:45:38,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:45:38,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:38,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:38,150 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:45:38,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:38,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:45:38,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:38,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:38,152 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:45:38,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:38,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:38,153 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:45:38,154 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:45:38,154 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_becd5d1b-0569-4617-b517-f8c9b49d5a7a/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2019-11-25 08:45:38,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:38,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:38,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:38,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:38,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:38,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-25 08:45:38,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/data/79c3333e1/177143f39aa84ea5a8106f05fb00dc13/FLAGd053a7d44 [2019-11-25 08:45:38,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:38,807 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2019-11-25 08:45:38,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/data/79c3333e1/177143f39aa84ea5a8106f05fb00dc13/FLAGd053a7d44 [2019-11-25 08:45:38,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/data/79c3333e1/177143f39aa84ea5a8106f05fb00dc13 [2019-11-25 08:45:38,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:38,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:38,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:38,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:38,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:38,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:38" (1/1) ... [2019-11-25 08:45:38,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19838c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:38, skipping insertion in model container [2019-11-25 08:45:38,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:38" (1/1) ... [2019-11-25 08:45:38,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:38,900 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:39,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:39,229 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:39,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:39,331 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39 WrapperNode [2019-11-25 08:45:39,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:39,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:39,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:39,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:39,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:39,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:39,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:39,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:39,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... [2019-11-25 08:45:39,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:39,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:39,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:39,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:39,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/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 [2019-11-25 08:45:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:45:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:45:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:40,350 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:40,351 INFO L284 CfgBuilder]: Removed 200 assume(true) statements. [2019-11-25 08:45:40,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:40 BoogieIcfgContainer [2019-11-25 08:45:40,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:40,353 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:45:40,353 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:45:40,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:45:40,356 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:40,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:45:38" (1/3) ... [2019-11-25 08:45:40,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50574178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:45:40, skipping insertion in model container [2019-11-25 08:45:40,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:40,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:39" (2/3) ... [2019-11-25 08:45:40,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50574178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:45:40, skipping insertion in model container [2019-11-25 08:45:40,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:45:40,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:40" (3/3) ... [2019-11-25 08:45:40,361 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2019-11-25 08:45:40,401 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:45:40,401 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:45:40,401 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:45:40,402 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:40,402 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:40,402 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:45:40,402 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:40,402 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:45:40,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-25 08:45:40,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-11-25 08:45:40,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:40,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:40,458 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,458 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,458 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:45:40,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-11-25 08:45:40,467 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-11-25 08:45:40,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:40,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:40,468 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,469 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,474 INFO L794 eck$LassoCheckResult]: Stem: 109#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 39#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 74#L174true main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 18#L973true assume 0 != main_~tmp~9; 126#L949true ~methAndRunningLastTime~0 := 0; 80#L482true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 82#L493-1true [2019-11-25 08:45:40,474 INFO L796 eck$LassoCheckResult]: Loop: 82#L493-1true assume !false; 28#L194true assume test_~splverifierCounter~0 < 4; 123#L195true test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 129#L203true assume !(0 != test_~tmp~0); 127#L203-1true test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 49#L213true assume !(0 != test_~tmp___0~0); 21#L213-1true test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 107#L223true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 100#L231-1true assume !(0 != ~pumpRunning~0); 105#L264true assume !(0 != ~systemActive~0); 16#L271true havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 131#L90-3true __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 78#L493true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 82#L493-1true [2019-11-25 08:45:40,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:40,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-25 08:45:40,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:40,488 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587971721] [2019-11-25 08:45:40,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:40,765 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:40,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:40,766 INFO L82 PathProgramCache]: Analyzing trace with hash 14512660, now seen corresponding path program 1 times [2019-11-25 08:45:40,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:40,767 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508685719] [2019-11-25 08:45:40,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:40,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508685719] [2019-11-25 08:45:40,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:40,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:45:40,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284990552] [2019-11-25 08:45:40,824 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:45:40,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:40,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:45:40,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:45:40,841 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 3 states. [2019-11-25 08:45:40,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:40,916 INFO L93 Difference]: Finished difference Result 257 states and 373 transitions. [2019-11-25 08:45:40,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:45:40,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 257 states and 373 transitions. [2019-11-25 08:45:40,926 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 166 [2019-11-25 08:45:40,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 257 states to 243 states and 358 transitions. [2019-11-25 08:45:40,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2019-11-25 08:45:40,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2019-11-25 08:45:40,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 358 transitions. [2019-11-25 08:45:40,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:45:40,939 INFO L688 BuchiCegarLoop]: Abstraction has 243 states and 358 transitions. [2019-11-25 08:45:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 358 transitions. [2019-11-25 08:45:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2019-11-25 08:45:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2019-11-25 08:45:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 355 transitions. [2019-11-25 08:45:40,986 INFO L711 BuchiCegarLoop]: Abstraction has 241 states and 355 transitions. [2019-11-25 08:45:40,986 INFO L591 BuchiCegarLoop]: Abstraction has 241 states and 355 transitions. [2019-11-25 08:45:40,987 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:45:40,987 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 241 states and 355 transitions. [2019-11-25 08:45:40,990 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2019-11-25 08:45:40,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:40,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:40,991 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,991 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:40,992 INFO L794 eck$LassoCheckResult]: Stem: 541#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 411#L-1 havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 412#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 458#L174 main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 428#L973 assume 0 != main_~tmp~9; 429#L949 ~methAndRunningLastTime~0 := 0; 514#L482 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 416#L493-1 [2019-11-25 08:45:40,992 INFO L796 eck$LassoCheckResult]: Loop: 416#L493-1 assume !false; 560#L194 assume test_~splverifierCounter~0 < 4; 561#L195 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 580#L203 assume !(0 != test_~tmp~0); 553#L203-1 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 554#L213 assume !(0 != test_~tmp___0~0); 577#L213-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 538#L223 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 528#L231-1 assume !(0 != ~pumpRunning~0); 495#L264 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 535#L322 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret15, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 568#L296-1 assume !(0 == ~pumpRunning~0); 566#L271 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 565#L90-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 513#L493 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 416#L493-1 [2019-11-25 08:45:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:40,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-25 08:45:40,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:40,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332051333] [2019-11-25 08:45:40,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:41,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:41,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2018522314, now seen corresponding path program 1 times [2019-11-25 08:45:41,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:41,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621415987] [2019-11-25 08:45:41,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:45:41,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:45:41,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621415987] [2019-11-25 08:45:41,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:45:41,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:45:41,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503431474] [2019-11-25 08:45:41,163 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:45:41,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:45:41,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:45:41,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:45:41,163 INFO L87 Difference]: Start difference. First operand 241 states and 355 transitions. cyclomatic complexity: 117 Second operand 3 states. [2019-11-25 08:45:41,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:45:41,296 INFO L93 Difference]: Finished difference Result 330 states and 467 transitions. [2019-11-25 08:45:41,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:45:41,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 330 states and 467 transitions. [2019-11-25 08:45:41,304 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2019-11-25 08:45:41,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 330 states to 330 states and 467 transitions. [2019-11-25 08:45:41,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 330 [2019-11-25 08:45:41,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 330 [2019-11-25 08:45:41,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 330 states and 467 transitions. [2019-11-25 08:45:41,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:45:41,311 INFO L688 BuchiCegarLoop]: Abstraction has 330 states and 467 transitions. [2019-11-25 08:45:41,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states and 467 transitions. [2019-11-25 08:45:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2019-11-25 08:45:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-11-25 08:45:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 467 transitions. [2019-11-25 08:45:41,348 INFO L711 BuchiCegarLoop]: Abstraction has 330 states and 467 transitions. [2019-11-25 08:45:41,348 INFO L591 BuchiCegarLoop]: Abstraction has 330 states and 467 transitions. [2019-11-25 08:45:41,353 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:45:41,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 330 states and 467 transitions. [2019-11-25 08:45:41,355 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231 [2019-11-25 08:45:41,356 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:45:41,356 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:45:41,357 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:45:41,357 INFO L850 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] [2019-11-25 08:45:41,357 INFO L794 eck$LassoCheckResult]: Stem: 1110#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 988#L-1 havoc main_#res;havoc main_#t~ret73, main_~retValue_acc~11, main_~tmp~9;havoc main_~retValue_acc~11;havoc main_~tmp~9; 989#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 1040#L174 main_#t~ret73 := valid_product_#res;main_~tmp~9 := main_#t~ret73;havoc main_#t~ret73; 1007#L973 assume 0 != main_~tmp~9; 1008#L949 ~methAndRunningLastTime~0 := 0; 1091#L482 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 993#L493-1 [2019-11-25 08:45:41,357 INFO L796 eck$LassoCheckResult]: Loop: 993#L493-1 assume !false; 1198#L194 assume test_~splverifierCounter~0 < 4; 1121#L195 test_~tmp~0 := test_#t~nondet11;havoc test_#t~nondet11; 1122#L203 assume !(0 != test_~tmp~0); 1196#L203-1 test_~tmp___0~0 := test_#t~nondet12;havoc test_#t~nondet12; 1195#L213 assume !(0 != test_~tmp___0~0); 1193#L213-1 test_~tmp___2~0 := test_#t~nondet13;havoc test_#t~nondet13; 1192#L223 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1108#L231-1 assume !(0 != ~pumpRunning~0); 1165#L264 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1190#L322 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret15, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 983#L296-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret35, 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~2;havoc isHighWaterSensorDry_~retValue_acc~2; 984#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1081#L135-1 isHighWaterLevel_#t~ret35 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret35;havoc isHighWaterLevel_#t~ret35; 1088#L441-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1184#L441-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1011#L447-1 processEnvironment__wrappee__methaneQuery_#t~ret15 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret15;havoc processEnvironment__wrappee__methaneQuery_#t~ret15; 1012#L300-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 1112#L271 havoc __utac_acc__Specification2_spec__2_#t~ret36, __utac_acc__Specification2_spec__2_#t~ret37, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1201#L90-3 __utac_acc__Specification2_spec__2_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret36;havoc __utac_acc__Specification2_spec__2_#t~ret36; 1089#L493 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 993#L493-1 [2019-11-25 08:45:41,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:41,358 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-25 08:45:41,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:41,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524912869] [2019-11-25 08:45:41,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,444 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:41,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:41,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1917413410, now seen corresponding path program 1 times [2019-11-25 08:45:41,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:41,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372868983] [2019-11-25 08:45:41,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,467 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:41,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:45:41,467 INFO L82 PathProgramCache]: Analyzing trace with hash -604412260, now seen corresponding path program 1 times [2019-11-25 08:45:41,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:45:41,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700021793] [2019-11-25 08:45:41,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:45:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:45:41,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:45:41,715 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-11-25 08:46:04,260 WARN L192 SmtUtils]: Spent 22.46 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-25 08:46:18,150 WARN L192 SmtUtils]: Spent 13.88 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-25 08:46:18,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:46:18 BoogieIcfgContainer [2019-11-25 08:46:18,216 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:46:18,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:46:18,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:46:18,216 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:46:18,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:40" (3/4) ... [2019-11-25 08:46:18,220 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:46:18,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_becd5d1b-0569-4617-b517-f8c9b49d5a7a/bin/uautomizer/witness.graphml [2019-11-25 08:46:18,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:46:18,277 INFO L168 Benchmark]: Toolchain (without parser) took 39440.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 348.7 MB). Free memory was 950.1 MB in the beginning and 1.3 GB in the end (delta: -306.6 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,278 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:46:18,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,279 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,279 INFO L168 Benchmark]: Boogie Preprocessor took 85.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,280 INFO L168 Benchmark]: RCFGBuilder took 840.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,280 INFO L168 Benchmark]: BuchiAutomizer took 37863.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -187.6 MB). Peak memory consumption was 407.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,281 INFO L168 Benchmark]: Witness Printer took 60.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:46:18,283 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 494.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 840.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37863.26 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -187.6 MB). Peak memory consumption was 407.0 MB. Max. memory is 11.5 GB. * Witness Printer took 60.09 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 330 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 37.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 330 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 357 SDtfs, 325 SDslu, 242 SDs, 0 SdLazy, 41 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 193]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5811} State at position 1 is {NULL=0, retValue_acc=0, NULL=5820, NULL=5811, NULL=5812, NULL=0, NULL=0, NULL=5826, methaneLevelCritical=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@234b2974=0, NULL=5835, NULL=0, retValue_acc=0, tmp___1=0, NULL=5824, NULL=5818, cleanupTimeShifts=4, tmp=0, NULL=5828, NULL=0, systemActive=1, waterLevel=1, NULL=5813, NULL=0, NULL=0, NULL=5836, \result=0, tmp___0=0, NULL=5834, NULL=0, NULL=0, NULL=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, NULL=5814, \result=0, NULL=5829, retValue_acc=1, NULL=0, NULL=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@727e8c23=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4acab005=0, NULL=5830, NULL=5833, NULL=5825, tmp=1, NULL=5816, tmp___2=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58011d2c=0, NULL=5823, NULL=5817, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=5819, NULL=5827, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49a30c56=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59a4344f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bd874c7=63, NULL=5832, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@748bac4c=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14e24be3=0, head=0, tmp=0, NULL=0, NULL=0, NULL=5821, NULL=0, tmp=1, NULL=0, NULL=5822, NULL=5815, NULL=0, tmp=0, NULL=5831, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@251921dd=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L256] int pumpRunning = 0; [L257] int systemActive = 1; [L476] int methAndRunningLastTime ; [L890] int cleanupTimeShifts = 4; [L684] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L964] int retValue_acc ; [L965] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L971] tmp = valid_product() [L973] COND TRUE \read(tmp) [L481] methAndRunningLastTime = 0 [L184] int splverifierCounter ; [L185] int tmp ; [L186] int tmp___0 ; [L187] int tmp___1 ; [L188] int tmp___2 ; [L191] splverifierCounter = 0 Loop: [L193] COND TRUE 1 [L195] COND TRUE splverifierCounter < 4 [L201] tmp = __VERIFIER_nondet_int() [L203] COND FALSE !(\read(tmp)) [L211] tmp___0 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___0)) [L221] tmp___2 = __VERIFIER_nondet_int() [L223] COND TRUE \read(tmp___2) [L470] systemActive = 1 [L264] COND FALSE !(\read(pumpRunning)) [L271] COND TRUE \read(systemActive) [L319] int tmp ; [L322] COND FALSE !(\read(pumpRunning)) [L293] int tmp ; [L296] COND TRUE ! pumpRunning [L433] int retValue_acc ; [L434] int tmp ; [L435] int tmp___0 ; [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] return (retValue_acc); [L439] tmp = isHighWaterSensorDry() [L441] COND TRUE \read(tmp) [L442] tmp___0 = 0 [L446] retValue_acc = tmp___0 [L447] return (retValue_acc); [L298] tmp = isHighWaterLevel() [L300] COND FALSE !(\read(tmp)) [L486] int tmp ; [L487] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L491] tmp = isMethaneLevelCritical() [L493] COND FALSE !(\read(tmp)) [L509] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...