./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 10:09:13,503 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:09:13,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:09:13,512 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:09:13,512 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:09:13,513 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:09:13,514 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:09:13,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:09:13,516 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:09:13,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:09:13,517 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:09:13,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:09:13,518 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:09:13,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:09:13,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:09:13,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:09:13,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:09:13,521 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:09:13,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:09:13,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:09:13,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:09:13,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:09:13,526 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:09:13,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:09:13,527 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:09:13,527 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:09:13,528 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:09:13,529 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:09:13,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:09:13,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:09:13,530 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:09:13,530 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:09:13,531 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:09:13,531 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:09:13,531 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:09:13,532 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:09:13,532 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:09:13,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:09:13,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:09:13,543 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:09:13,543 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:09:13,543 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:09:13,544 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:09:13,544 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:09:13,544 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:09:13,544 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:09:13,544 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:09:13,544 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:09:13,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:09:13,545 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:09:13,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:09:13,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:09:13,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:09:13,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:09:13,547 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:09:13,548 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:09:13,548 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:09:13,548 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_39ec4471-aad1-42ca-8632-1032a3122e54/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2018-11-18 10:09:13,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:09:13,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:09:13,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:09:13,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:09:13,584 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:09:13,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:09:13,615 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/data/d83782658/47ddf8f8340343f88fd1a052f84e103d/FLAG306822831 [2018-11-18 10:09:13,946 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:09:13,946 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:09:13,954 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/data/d83782658/47ddf8f8340343f88fd1a052f84e103d/FLAG306822831 [2018-11-18 10:09:13,962 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/data/d83782658/47ddf8f8340343f88fd1a052f84e103d [2018-11-18 10:09:13,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:09:13,965 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:09:13,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:09:13,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:09:13,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:09:13,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:09:13" (1/1) ... [2018-11-18 10:09:13,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:13, skipping insertion in model container [2018-11-18 10:09:13,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:09:13" (1/1) ... [2018-11-18 10:09:13,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:09:13,998 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:09:14,181 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:09:14,190 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:09:14,289 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:09:14,308 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:09:14,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14 WrapperNode [2018-11-18 10:09:14,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:09:14,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:09:14,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:09:14,310 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:09:14,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:09:14,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:09:14,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:09:14,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:09:14,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... [2018-11-18 10:09:14,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:09:14,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:09:14,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:09:14,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:09:14,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/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 [2018-11-18 10:09:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:09:14,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:09:14,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:09:14,982 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:09:14,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:09:14 BoogieIcfgContainer [2018-11-18 10:09:14,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:09:14,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:09:14,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:09:14,985 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:09:14,986 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:09:14,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:09:13" (1/3) ... [2018-11-18 10:09:14,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@246d9731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:09:14, skipping insertion in model container [2018-11-18 10:09:14,987 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:09:14,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:09:14" (2/3) ... [2018-11-18 10:09:14,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@246d9731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:09:14, skipping insertion in model container [2018-11-18 10:09:14,987 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:09:14,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:09:14" (3/3) ... [2018-11-18 10:09:14,989 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 10:09:15,021 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:09:15,021 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:09:15,021 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:09:15,021 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:09:15,021 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:09:15,021 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:09:15,022 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:09:15,022 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:09:15,022 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:09:15,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states. [2018-11-18 10:09:15,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 10:09:15,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:09:15,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:09:15,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,059 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,059 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:09:15,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states. [2018-11-18 10:09:15,064 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 10:09:15,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:09:15,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:09:15,065 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,065 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,070 INFO L794 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 145#L550true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L543true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 151#L558true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 91#L248true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 47#L221true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 134#L473-3true [2018-11-18 10:09:15,070 INFO L796 eck$LassoCheckResult]: Loop: 134#L473-3true assume true; 131#L473-1true assume !false; 85#L474true assume test_~splverifierCounter~0 < 4; 15#L475true test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 17#L483true assume !(0 != test_~tmp~5); 23#L483-2true test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 86#L493true assume !(0 != test_~tmp___0~2); 87#L493-2true test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 156#L503true assume 0 != test_~tmp___2~0; 124#L509-2true assume { :begin_inline_timeShift } true; 73#L273true assume !(0 != ~pumpRunning~0); 71#L273-2true assume !(0 != ~systemActive~0); 162#L280-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 129#L132true __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 38#L571true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 40#L571-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 64#L290true assume { :end_inline_timeShift } true; 134#L473-3true [2018-11-18 10:09:15,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:09:15,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,224 INFO L82 PathProgramCache]: Analyzing trace with hash -450047981, now seen corresponding path program 1 times [2018-11-18 10:09:15,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1381729585, now seen corresponding path program 1 times [2018-11-18 10:09:15,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:09:15,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:09:15,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:09:15,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:09:15,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:09:15,430 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 6 states. [2018-11-18 10:09:15,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:15,552 INFO L93 Difference]: Finished difference Result 161 states and 210 transitions. [2018-11-18 10:09:15,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:09:15,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 210 transitions. [2018-11-18 10:09:15,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 10:09:15,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 151 states and 200 transitions. [2018-11-18 10:09:15,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 151 [2018-11-18 10:09:15,563 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 151 [2018-11-18 10:09:15,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 200 transitions. [2018-11-18 10:09:15,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:09:15,564 INFO L705 BuchiCegarLoop]: Abstraction has 151 states and 200 transitions. [2018-11-18 10:09:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 200 transitions. [2018-11-18 10:09:15,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 10:09:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 10:09:15,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 200 transitions. [2018-11-18 10:09:15,593 INFO L728 BuchiCegarLoop]: Abstraction has 151 states and 200 transitions. [2018-11-18 10:09:15,593 INFO L608 BuchiCegarLoop]: Abstraction has 151 states and 200 transitions. [2018-11-18 10:09:15,593 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:09:15,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 200 transitions. [2018-11-18 10:09:15,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 10:09:15,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:09:15,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:09:15,596 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,596 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] [2018-11-18 10:09:15,596 INFO L794 eck$LassoCheckResult]: Stem: 475#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 351#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 352#L550 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 446#L543 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 447#L558 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 456#L248 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 414#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 415#L473-3 [2018-11-18 10:09:15,597 INFO L796 eck$LassoCheckResult]: Loop: 415#L473-3 assume true; 485#L473-1 assume !false; 452#L474 assume test_~splverifierCounter~0 < 4; 366#L475 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 367#L483 assume !(0 != test_~tmp~5); 373#L483-2 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 381#L493 assume !(0 != test_~tmp___0~2); 358#L493-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 453#L503 assume 0 != test_~tmp___2~0; 477#L509-2 assume { :begin_inline_timeShift } true; 439#L273 assume !(0 != ~pumpRunning~0); 436#L273-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 437#L331 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 442#L305-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 461#L297-3 assume { :end_inline_processEnvironment__wrappee__base } true; 462#L305-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 344#L331-1 assume { :end_inline_processEnvironment } true; 445#L280-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 483#L132 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 402#L571 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 403#L571-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 405#L290 assume { :end_inline_timeShift } true; 415#L473-3 [2018-11-18 10:09:15,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:09:15,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,645 INFO L82 PathProgramCache]: Analyzing trace with hash -1123040843, now seen corresponding path program 1 times [2018-11-18 10:09:15,645 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,646 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:09:15,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:09:15,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:09:15,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:09:15,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:09:15,670 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:09:15,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:09:15,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:09:15,670 INFO L87 Difference]: Start difference. First operand 151 states and 200 transitions. cyclomatic complexity: 51 Second operand 3 states. [2018-11-18 10:09:15,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:09:15,737 INFO L93 Difference]: Finished difference Result 208 states and 264 transitions. [2018-11-18 10:09:15,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:09:15,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 264 transitions. [2018-11-18 10:09:15,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2018-11-18 10:09:15,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 208 states and 264 transitions. [2018-11-18 10:09:15,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 208 [2018-11-18 10:09:15,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 208 [2018-11-18 10:09:15,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 208 states and 264 transitions. [2018-11-18 10:09:15,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:09:15,744 INFO L705 BuchiCegarLoop]: Abstraction has 208 states and 264 transitions. [2018-11-18 10:09:15,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states and 264 transitions. [2018-11-18 10:09:15,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2018-11-18 10:09:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-11-18 10:09:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 264 transitions. [2018-11-18 10:09:15,753 INFO L728 BuchiCegarLoop]: Abstraction has 208 states and 264 transitions. [2018-11-18 10:09:15,753 INFO L608 BuchiCegarLoop]: Abstraction has 208 states and 264 transitions. [2018-11-18 10:09:15,753 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:09:15,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 208 states and 264 transitions. [2018-11-18 10:09:15,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2018-11-18 10:09:15,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:09:15,754 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:09:15,755 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,755 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, 1, 1, 1, 1, 1, 1] [2018-11-18 10:09:15,755 INFO L794 eck$LassoCheckResult]: Stem: 840#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(21);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(30);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(9);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 718#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 719#L550 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 810#L543 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 811#L558 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 818#L248 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 779#L221 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 780#L473-3 [2018-11-18 10:09:15,756 INFO L796 eck$LassoCheckResult]: Loop: 780#L473-3 assume true; 853#L473-1 assume !false; 816#L474 assume test_~splverifierCounter~0 < 4; 731#L475 test_~tmp~5 := test_#t~nondet32;havoc test_#t~nondet32; 732#L483 assume !(0 != test_~tmp~5); 737#L483-2 test_~tmp___0~2 := test_#t~nondet33;havoc test_#t~nondet33; 746#L493 assume !(0 != test_~tmp___0~2); 721#L493-2 test_~tmp___2~0 := test_#t~nondet34;havoc test_#t~nondet34; 817#L503 assume 0 != test_~tmp___2~0; 843#L509-2 assume { :begin_inline_timeShift } true; 804#L273 assume !(0 != ~pumpRunning~0); 801#L273-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 802#L331 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 806#L305-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret30, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~0;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 858#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 859#L145-1 isHighWaterLevel_#t~ret30 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret30;havoc isHighWaterLevel_#t~ret30; 773#L433-3 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~0 := 0; 774#L433-5 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 747#L439-1 processEnvironment__wrappee__highWaterSensor_#t~ret11 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret11;havoc processEnvironment__wrappee__highWaterSensor_#t~ret11; 748#L309-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 792#L297-2 assume { :end_inline_processEnvironment__wrappee__base } true; 824#L305-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 709#L331-1 assume { :end_inline_processEnvironment } true; 809#L280-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret37, __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 850#L132 __utac_acc__Specification4_spec__1_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret37;havoc __utac_acc__Specification4_spec__1_#t~ret37; 767#L571 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 768#L571-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 770#L290 assume { :end_inline_timeShift } true; 780#L473-3 [2018-11-18 10:09:15,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:09:15,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,790 INFO L82 PathProgramCache]: Analyzing trace with hash -515300083, now seen corresponding path program 1 times [2018-11-18 10:09:15,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,791 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:09:15,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:09:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1766282031, now seen corresponding path program 1 times [2018-11-18 10:09:15,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:09:15,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:09:15,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:09:15,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:09:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:09:41,176 WARN L180 SmtUtils]: Spent 25.22 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:09:55,673 WARN L180 SmtUtils]: Spent 14.50 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:09:55,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:09:55 BoogieIcfgContainer [2018-11-18 10:09:55,738 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:09:55,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:09:55,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:09:55,739 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:09:55,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:09:14" (3/4) ... [2018-11-18 10:09:55,742 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:09:55,785 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39ec4471-aad1-42ca-8632-1032a3122e54/bin-2019/uautomizer/witness.graphml [2018-11-18 10:09:55,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:09:55,786 INFO L168 Benchmark]: Toolchain (without parser) took 41821.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.0 MB). Free memory was 951.8 MB in the beginning and 868.9 MB in the end (delta: 82.8 MB). Peak memory consumption was 320.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,786 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:09:55,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -201.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,787 INFO L168 Benchmark]: Boogie Preprocessor took 31.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,787 INFO L168 Benchmark]: RCFGBuilder took 594.56 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: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,787 INFO L168 Benchmark]: BuchiAutomizer took 40754.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 205.5 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,788 INFO L168 Benchmark]: Witness Printer took 46.68 ms. Allocated memory is still 1.3 GB. Free memory was 874.3 MB in the beginning and 868.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:09:55,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 951.8 MB in the beginning and 1.2 GB in the end (delta: -201.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 594.56 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: 66.8 MB). Peak memory consumption was 66.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40754.95 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 205.5 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.68 ms. Allocated memory is still 1.3 GB. Free memory was 874.3 MB in the beginning and 868.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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 6 locations. The remainder module has 208 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 40.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. 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 208 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 407 SDtfs, 946 SDslu, 101 SDs, 0 SdLazy, 38 SolverSat, 24 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: 473]: 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 {"Pump(System:"=22, NULL=0, "__utac__get_this_arg"=0, "Env(Water:%i"=11, retValue_acc=0, "__utac__get_this_argtype"=39, "OK"=12, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15026851=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65e843c1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6027da83=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71f1d6f8=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65aba9fb=0, "__utac__get_this_argtype"=8, "libacc.c"=0, retValue_acc=0, tmp___1=0, "\n"=26, "On"=28, cleanupTimeShifts=4, tmp=0, "Off"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43193eb5=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18ddb35c=170, "On"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@233f403f=0, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, "i > 0 && i <= this->argsCount"=37, \result=1, "libacc.c"=31, \result=0, "i > 0 && i <= this->argsCount"=33, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, "i > 0 && i <= this->argsCount"=17, \result=0, ",Pump:"=19, "Off"=0, "i > 0 && i <= this->argsCount"=35, retValue_acc=1, "libacc.c"=0, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d0d2235=0, \result=1, "libacc.c"=36, "libacc.c"=23, "__utac__get_this_argtype"=0, tmp=1, tmp=1, "CRIT"=15, tmp___2=170, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "__utac__get_this_arg"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=14, "libacc.c"=38, "__utac__get_this_arg"=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@200d0770=0, head=0, "Off"=18, ") "=24, ",Meth:"=16, "__utac__get_this_arg"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 473]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L109] FCALL "Env(Water:%i" [L110] FCALL ",Meth:" [L114] FCALL "CRIT" [L118] FCALL "OK" [L122] FCALL ")" [L393] FCALL "Pump(System:" [L397] FCALL "On" [L401] FCALL "Off" [L405] FCALL ",Pump:" [L409] FCALL "On" [L413] FCALL "Off" [L417] FCALL ") " [L419] FCALL "\n" [L886] FCALL "i > 0 && i <= this->argsCount" [L886] FCALL "libacc.c" [L887] FCALL "__utac__get_this_arg" [L893] FCALL "i > 0 && i <= this->argsCount" [L893] FCALL "libacc.c" [L894] FCALL "__utac__get_this_arg" [L932] FCALL "i > 0 && i <= this->argsCount" [L932] FCALL "libacc.c" [L933] FCALL "__utac__get_this_argtype" [L939] FCALL "i > 0 && i <= this->argsCount" [L939] FCALL "libacc.c" [L940] FCALL "__utac__get_this_argtype" [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L160] int cleanupTimeShifts = 4; [L265] int pumpRunning = 0; [L266] int systemActive = 1; [L758] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L239] int retValue_acc ; [L240] int tmp ; [L244] FCALL select_helpers() [L245] FCALL select_features() [L246] CALL, EXPR valid_product() [L554] int retValue_acc ; [L557] retValue_acc = 1 [L558] RET return (retValue_acc); [L246] EXPR valid_product() [L246] tmp = valid_product() [L248] COND TRUE \read(tmp) [L250] FCALL setup() [L251] CALL runTest() [L230] CALL test() [L464] int splverifierCounter ; [L465] int tmp ; [L466] int tmp___0 ; [L467] int tmp___1 ; [L468] int tmp___2 ; [L471] splverifierCounter = 0 Loop: [L473] COND TRUE 1 [L475] COND TRUE splverifierCounter < 4 [L481] tmp = __VERIFIER_nondet_int() [L483] COND FALSE !(\read(tmp)) [L491] tmp___0 = __VERIFIER_nondet_int() [L493] COND FALSE !(\read(tmp___0)) [L501] tmp___2 = __VERIFIER_nondet_int() [L503] COND TRUE \read(tmp___2) [L516] CALL timeShift() [L273] COND FALSE !(\read(pumpRunning)) [L280] COND TRUE \read(systemActive) [L282] CALL processEnvironment() [L328] int tmp ; [L331] COND FALSE !(\read(pumpRunning)) [L346] CALL processEnvironment__wrappee__highWaterSensor() [L302] int tmp ; [L305] COND TRUE ! pumpRunning [L307] CALL, EXPR isHighWaterLevel() [L425] int retValue_acc ; [L426] int tmp ; [L427] int tmp___0 ; [L431] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] RET return (retValue_acc); [L431] EXPR isHighWaterSensorDry() [L431] tmp = isHighWaterSensorDry() [L433] COND TRUE \read(tmp) [L434] tmp___0 = 0 [L438] retValue_acc = tmp___0 [L439] RET return (retValue_acc); [L307] EXPR isHighWaterLevel() [L307] tmp = isHighWaterLevel() [L309] COND FALSE !(\read(tmp)) [L315] RET, FCALL processEnvironment__wrappee__base() [L346] RET processEnvironment__wrappee__highWaterSensor() [L282] processEnvironment() [L288] CALL __utac_acc__Specification4_spec__1() [L564] int tmp ; [L565] int tmp___0 ; [L569] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] RET return (retValue_acc); [L569] EXPR getWaterLevel() [L569] tmp = getWaterLevel() [L571] COND FALSE, RET !(tmp == 0) [L288] RET __utac_acc__Specification4_spec__1() [L516] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...