./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 ............................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 11:17:46,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:17:46,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:17:46,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:17:46,989 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:17:46,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:17:46,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:17:46,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:17:46,993 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:17:46,994 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:17:46,994 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:17:46,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:17:46,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:17:46,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:17:46,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:17:46,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:17:46,997 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:17:46,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:17:47,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:17:47,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:17:47,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:17:47,002 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:17:47,003 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:17:47,003 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:17:47,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:17:47,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:17:47,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:17:47,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:17:47,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:17:47,006 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:17:47,006 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:17:47,007 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:17:47,007 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:17:47,007 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:17:47,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:17:47,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:17:47,008 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:17:47,018 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:17:47,018 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:17:47,019 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:17:47,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:17:47,019 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:17:47,019 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:17:47,020 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:17:47,020 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:17:47,020 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:17:47,020 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:17:47,020 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:17:47,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:17:47,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:17:47,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:17:47,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:17:47,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:17:47,023 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:17:47,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:17:47,023 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:17:47,023 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:17:47,024 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:17:47,024 INFO L133 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/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2018-11-28 11:17:47,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:17:47,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:17:47,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:17:47,060 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:17:47,061 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:17:47,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 11:17:47,113 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/data/384d13170/d0e29c6ada3644d8b911bdd21e25dabb/FLAGaf85250bc [2018-11-28 11:17:47,478 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:17:47,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 11:17:47,488 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/data/384d13170/d0e29c6ada3644d8b911bdd21e25dabb/FLAGaf85250bc [2018-11-28 11:17:47,865 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/data/384d13170/d0e29c6ada3644d8b911bdd21e25dabb [2018-11-28 11:17:47,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:17:47,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:17:47,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:47,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:17:47,872 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:17:47,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:47" (1/1) ... [2018-11-28 11:17:47,875 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:47, skipping insertion in model container [2018-11-28 11:17:47,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:47" (1/1) ... [2018-11-28 11:17:47,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:17:47,908 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:17:48,087 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:48,098 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:17:48,194 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:17:48,212 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:17:48,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48 WrapperNode [2018-11-28 11:17:48,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:17:48,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:48,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:17:48,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:17:48,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:17:48,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:17:48,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:17:48,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:17:48,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... [2018-11-28 11:17:48,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:17:48,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:17:48,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:17:48,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:17:48,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/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 [2018-11-28 11:17:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:17:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:17:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:17:48,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:17:48,922 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:17:48,922 INFO L280 CfgBuilder]: Removed 276 assue(true) statements. [2018-11-28 11:17:48,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:48 BoogieIcfgContainer [2018-11-28 11:17:48,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:17:48,923 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:17:48,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:17:48,926 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:17:48,927 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:48,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:47" (1/3) ... [2018-11-28 11:17:48,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c03c4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:48, skipping insertion in model container [2018-11-28 11:17:48,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:48,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:48" (2/3) ... [2018-11-28 11:17:48,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c03c4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:48, skipping insertion in model container [2018-11-28 11:17:48,929 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:17:48,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:48" (3/3) ... [2018-11-28 11:17:48,930 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 11:17:48,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:17:48,967 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:17:48,967 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:17:48,967 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:17:48,967 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:17:48,967 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:17:48,968 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:17:48,968 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:17:48,968 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:17:48,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-28 11:17:49,003 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-28 11:17:49,004 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:49,004 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:49,009 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,009 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,009 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:17:49,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states. [2018-11-28 11:17:49,015 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-28 11:17:49,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:49,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:49,016 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,016 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,020 INFO L794 eck$LassoCheckResult]: Stem: 128#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 82#L733true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 113#L741true main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 87#L967true assume 0 != main_~tmp~10; 135#L944true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 120#L867-1true [2018-11-28 11:17:49,020 INFO L796 eck$LassoCheckResult]: Loop: 120#L867-1true assume !false; 136#L421true assume test_~splverifierCounter~0 < 4; 93#L422true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 99#L430true assume !(0 != test_~tmp~3); 100#L430-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 143#L440true assume !(0 != test_~tmp___0~0); 148#L440-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 34#L450true assume 0 != test_~tmp___2~0; 184#L456-2true assume !(0 != ~pumpRunning~0); 174#L492true assume !(0 != ~systemActive~0); 80#L499true havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 156#L831true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 119#L867true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 120#L867-1true [2018-11-28 11:17:49,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,025 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 11:17:49,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1676481278, now seen corresponding path program 1 times [2018-11-28 11:17:49,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,191 INFO L82 PathProgramCache]: Analyzing trace with hash 37797660, now seen corresponding path program 1 times [2018-11-28 11:17:49,191 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:49,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:49,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:49,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:17:49,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:17:49,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:17:49,394 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 6 states. [2018-11-28 11:17:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:49,487 INFO L93 Difference]: Finished difference Result 186 states and 274 transitions. [2018-11-28 11:17:49,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:17:49,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 274 transitions. [2018-11-28 11:17:49,494 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-28 11:17:49,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 179 states and 267 transitions. [2018-11-28 11:17:49,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2018-11-28 11:17:49,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2018-11-28 11:17:49,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 267 transitions. [2018-11-28 11:17:49,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:17:49,504 INFO L705 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2018-11-28 11:17:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 267 transitions. [2018-11-28 11:17:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-11-28 11:17:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-28 11:17:49,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 267 transitions. [2018-11-28 11:17:49,538 INFO L728 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2018-11-28 11:17:49,539 INFO L608 BuchiCegarLoop]: Abstraction has 179 states and 267 transitions. [2018-11-28 11:17:49,539 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:17:49,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states and 267 transitions. [2018-11-28 11:17:49,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2018-11-28 11:17:49,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:49,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:49,543 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,543 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,544 INFO L794 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 410#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 411#L733 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 512#L741 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 517#L967 assume 0 != main_~tmp~10; 518#L944 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 471#L867-1 [2018-11-28 11:17:49,544 INFO L796 eck$LassoCheckResult]: Loop: 471#L867-1 assume !false; 545#L421 assume test_~splverifierCounter~0 < 4; 521#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 522#L430 assume !(0 != test_~tmp~3); 526#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 527#L440 assume !(0 != test_~tmp___0~0); 424#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 441#L450 assume 0 != test_~tmp___2~0; 442#L456-2 assume !(0 != ~pumpRunning~0); 564#L492 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 533#L576 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 535#L550-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 456#L524-3 assume !(0 == ~pumpRunning~0); 457#L499 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 507#L831 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 542#L867 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 471#L867-1 [2018-11-28 11:17:49,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,544 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 11:17:49,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,601 INFO L82 PathProgramCache]: Analyzing trace with hash -270276490, now seen corresponding path program 1 times [2018-11-28 11:17:49,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,606 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:17:49,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:17:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:17:49,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:17:49,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:17:49,623 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:17:49,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:17:49,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:17:49,624 INFO L87 Difference]: Start difference. First operand 179 states and 267 transitions. cyclomatic complexity: 90 Second operand 3 states. [2018-11-28 11:17:49,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:17:49,797 INFO L93 Difference]: Finished difference Result 184 states and 255 transitions. [2018-11-28 11:17:49,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:17:49,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 184 states and 255 transitions. [2018-11-28 11:17:49,800 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-28 11:17:49,802 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 184 states to 184 states and 255 transitions. [2018-11-28 11:17:49,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 184 [2018-11-28 11:17:49,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 184 [2018-11-28 11:17:49,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 184 states and 255 transitions. [2018-11-28 11:17:49,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:17:49,804 INFO L705 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2018-11-28 11:17:49,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states and 255 transitions. [2018-11-28 11:17:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-11-28 11:17:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-11-28 11:17:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 255 transitions. [2018-11-28 11:17:49,812 INFO L728 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2018-11-28 11:17:49,812 INFO L608 BuchiCegarLoop]: Abstraction has 184 states and 255 transitions. [2018-11-28 11:17:49,813 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:17:49,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 184 states and 255 transitions. [2018-11-28 11:17:49,814 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-28 11:17:49,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:17:49,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:17:49,815 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:17:49,815 INFO L867 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, 1] [2018-11-28 11:17:49,816 INFO L794 eck$LassoCheckResult]: Stem: 893#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string44.base, #t~string44.offset := #Ultimate.alloc(13);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string50.base, #t~string50.offset, 1);call write~init~int(80, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(117, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(109, #t~string50.base, 3 + #t~string50.offset, 1);call write~init~int(112, #t~string50.base, 4 + #t~string50.offset, 1);call write~init~int(58, #t~string50.base, 5 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 6 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string56.base, #t~string56.offset, 1);call write~init~int(32, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string58.base, #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 1 + #t~string58.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~cleanupTimeShifts~0 := 4; 773#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10; 774#L733 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 853#L741 main_#t~ret74 := valid_product_#res;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 860#L967 assume 0 != main_~tmp~10; 861#L944 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 822#L867-1 [2018-11-28 11:17:49,816 INFO L796 eck$LassoCheckResult]: Loop: 822#L867-1 assume !false; 885#L421 assume test_~splverifierCounter~0 < 4; 864#L422 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 865#L430 assume !(0 != test_~tmp~3); 869#L430-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 870#L440 assume !(0 != test_~tmp___0~0); 786#L440-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 800#L450 assume 0 != test_~tmp___2~0; 801#L456-2 assume !(0 != ~pumpRunning~0); 908#L492 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret41, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 875#L576 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40, processEnvironment__wrappee__lowWaterSensor_~tmp~5;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~5; 876#L550-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret39, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 813#L524-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret59, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 814#L839-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 895#L844-3 isHighWaterLevel_#t~ret59 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret59;havoc isHighWaterLevel_#t~ret59; 818#L678-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 819#L678-11 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 777#L684-3 processEnvironment__wrappee__highWaterSensor_#t~ret39 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret39;havoc processEnvironment__wrappee__highWaterSensor_#t~ret39; 778#L528-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 849#L499 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 850#L831 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 883#L867 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 822#L867-1 [2018-11-28 11:17:49,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,816 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 11:17:49,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,817 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1151634370, now seen corresponding path program 1 times [2018-11-28 11:17:49,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,860 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:17:49,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:17:49,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1890027800, now seen corresponding path program 1 times [2018-11-28 11:17:49,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:17:49,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:17:49,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:17:49,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:17:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:17:50,046 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-28 11:17:55,491 WARN L180 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 11:17:58,168 WARN L180 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 11:17:58,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:58 BoogieIcfgContainer [2018-11-28 11:17:58,213 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:17:58,214 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:17:58,214 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:17:58,214 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:17:58,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:48" (3/4) ... [2018-11-28 11:17:58,217 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:17:58,262 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7fbea7e1-fdec-4f70-a9ea-133bac7a378c/bin-2019/uautomizer/witness.graphml [2018-11-28 11:17:58,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:17:58,263 INFO L168 Benchmark]: Toolchain (without parser) took 10394.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 950.6 MB in the beginning and 913.3 MB in the end (delta: 37.3 MB). Peak memory consumption was 219.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,264 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:17:58,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,265 INFO L168 Benchmark]: Boogie Preprocessor took 38.27 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,265 INFO L168 Benchmark]: RCFGBuilder took 619.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,266 INFO L168 Benchmark]: BuchiAutomizer took 9290.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 225.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:17:58,266 INFO L168 Benchmark]: Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory is still 913.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:17:58,268 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.27 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 619.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.9 MB). Peak memory consumption was 78.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9290.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.5 MB). Free memory was 1.0 GB in the beginning and 913.3 MB in the end (delta: 111.1 MB). Peak memory consumption was 225.5 MB. Max. memory is 11.5 GB. * Witness Printer took 48.46 ms. Allocated memory is still 1.2 GB. Free memory is still 913.3 MB. There was no memory consumed. 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 6 locations. The remainder module has 184 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 184 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 472 SDtfs, 946 SDslu, 77 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=28, NULL=26, NULL=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41dcbf17=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c54f292=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@723f595c=0, NULL=19, methaneLevelCritical=0, tmp___0=0, retValue_acc=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=33, tmp=0, NULL=8, NULL=22, NULL=15, tmp=0, cleanupTimeShifts=4, NULL=37, NULL=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@350e6886=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f5f52d5=56, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16c9401=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32d1d460=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b50a132=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e63a7a0=0, NULL=0, systemActive=1, waterLevel=1, NULL=14, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4694699f=0, NULL=0, NULL=0, NULL=29, \result=0, NULL=27, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=0, NULL=23, head=0, pumpRunning=0, \result=0, NULL=39, NULL=31, NULL=0, NULL=0, \result=1, NULL=24, NULL=36, NULL=20, retValue_acc=1, NULL=0, tmp=1, tmp___2=56, retValue_acc=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44aae99=0, NULL=16, splverifierCounter=0, head=0, NULL=0, NULL=12, tmp=0, NULL=18, NULL=0, NULL=35, NULL=0, NULL=0, NULL=17, NULL=0, NULL=38} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L484] int pumpRunning = 0; [L485] int systemActive = 1; [L756] int waterLevel = 1; [L757] int methaneLevelCritical = 0; [L885] int cleanupTimeShifts = 4; [L958] int retValue_acc ; [L959] int tmp ; [L737] int retValue_acc ; [L740] retValue_acc = 1 [L741] return (retValue_acc); [L965] tmp = valid_product() [L967] COND TRUE \read(tmp) [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND TRUE \read(tmp___2) [L492] COND FALSE !(\read(pumpRunning)) [L499] COND TRUE \read(systemActive) [L573] int tmp ; [L576] COND FALSE !(\read(pumpRunning)) [L547] int tmp ; [L550] COND FALSE !(\read(pumpRunning)) [L521] int tmp ; [L524] COND TRUE ! pumpRunning [L670] int retValue_acc ; [L671] int tmp ; [L672] int tmp___0 ; [L836] int retValue_acc ; [L839] COND TRUE waterLevel < 2 [L840] retValue_acc = 1 [L841] return (retValue_acc); [L676] tmp = isHighWaterSensorDry() [L678] COND TRUE \read(tmp) [L679] tmp___0 = 0 [L683] retValue_acc = tmp___0 [L684] return (retValue_acc); [L526] tmp = isHighWaterLevel() [L528] COND FALSE !(\read(tmp)) [L860] int tmp ; [L861] int tmp___0 ; [L827] int retValue_acc ; [L830] retValue_acc = waterLevel [L831] return (retValue_acc); [L865] tmp = getWaterLevel() [L867] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...