./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28_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_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/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 2592b880c905533820d8c0b600fce539abba3733 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 13:37:27,033 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:37:27,034 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:37:27,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:37:27,041 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:37:27,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:37:27,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:37:27,044 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:37:27,045 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:37:27,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:37:27,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:37:27,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:37:27,047 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:37:27,048 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:37:27,048 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:37:27,049 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:37:27,050 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:37:27,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:37:27,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:37:27,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:37:27,054 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:37:27,055 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:37:27,057 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:37:27,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:37:27,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:37:27,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:37:27,059 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:37:27,060 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:37:27,060 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:37:27,061 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:37:27,062 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:37:27,062 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:37:27,062 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:37:27,062 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:37:27,063 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:37:27,064 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:37:27,064 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:37:27,074 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:37:27,074 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:37:27,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:37:27,075 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:37:27,076 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:37:27,076 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:37:27,077 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:37:27,077 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:37:27,077 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:37:27,077 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:37:27,077 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:37:27,077 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:37:27,078 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:37:27,079 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:37:27,079 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:37:27,079 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:37:27,079 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:37:27,079 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:37:27,079 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:37:27,079 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:37:27,080 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:37:27,080 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:37:27,080 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_bbc0b392-1f38-481e-ba14-72d347323534/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 -> 2592b880c905533820d8c0b600fce539abba3733 [2018-11-18 13:37:27,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:37:27,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:37:27,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:37:27,116 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:37:27,116 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:37:27,117 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 13:37:27,159 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/data/039d1c8e4/4317c701229146c78ccb8b1f0ca9eea6/FLAGfe6b3c3ac [2018-11-18 13:37:27,588 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:37:27,589 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 13:37:27,595 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/data/039d1c8e4/4317c701229146c78ccb8b1f0ca9eea6/FLAGfe6b3c3ac [2018-11-18 13:37:27,607 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/data/039d1c8e4/4317c701229146c78ccb8b1f0ca9eea6 [2018-11-18 13:37:27,609 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:37:27,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:37:27,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:37:27,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:37:27,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:37:27,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:27,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27, skipping insertion in model container [2018-11-18 13:37:27,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:27,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:37:27,651 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:37:27,851 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:37:27,860 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:37:27,964 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:37:27,987 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:37:27,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27 WrapperNode [2018-11-18 13:37:27,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:37:27,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:37:27,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:37:27,989 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:37:27,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:37:28,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:37:28,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:37:28,037 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:37:28,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... [2018-11-18 13:37:28,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:37:28,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:37:28,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:37:28,066 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:37:28,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/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 13:37:28,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:37:28,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:37:28,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:37:28,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:37:28,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:37:28 BoogieIcfgContainer [2018-11-18 13:37:28,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:37:28,624 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:37:28,624 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:37:28,626 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:37:28,627 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:37:28,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:37:27" (1/3) ... [2018-11-18 13:37:28,628 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33340918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:37:28, skipping insertion in model container [2018-11-18 13:37:28,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:37:28,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:37:27" (2/3) ... [2018-11-18 13:37:28,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33340918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:37:28, skipping insertion in model container [2018-11-18 13:37:28,629 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:37:28,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:37:28" (3/3) ... [2018-11-18 13:37:28,631 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-18 13:37:28,665 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:37:28,666 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:37:28,666 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:37:28,666 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:37:28,666 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:37:28,666 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:37:28,666 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:37:28,666 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:37:28,667 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:37:28,679 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2018-11-18 13:37:28,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 13:37:28,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:37:28,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:37:28,705 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:37:28,705 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] [2018-11-18 13:37:28,705 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:37:28,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states. [2018-11-18 13:37:28,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 77 [2018-11-18 13:37:28,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:37:28,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:37:28,710 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:37:28,710 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] [2018-11-18 13:37:28,714 INFO L794 eck$LassoCheckResult]: Stem: 79#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~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 49#L678true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L671true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 55#L686true main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 48#L276true assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 70#L248true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 41#L144true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 8#L910-3true [2018-11-18 13:37:28,714 INFO L796 eck$LassoCheckResult]: Loop: 8#L910-3true assume true; 5#L910-1true assume !false; 92#L911true assume test_~splverifierCounter~0 < 4; 52#L912true test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 56#L920true assume !(0 != test_~tmp~8); 57#L920-2true test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 97#L930true assume !(0 != test_~tmp___0~2); 102#L930-2true test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 26#L940true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet73;havoc test_#t~nondet73; 33#L948true assume !(0 != test_~tmp___1~0); 35#L948-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 105#L817true __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 73#L154true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 47#L714true assume !(0 != ~pumpRunning~0); 34#L714-2true assume !(0 != ~systemActive~0); 90#L721-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 40#L122true __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 75#L165true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 93#L165-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 17#L731true assume { :end_inline_timeShift } true; 8#L910-3true [2018-11-18 13:37:28,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:28,719 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:37:28,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:28,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:28,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:28,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:28,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:28,867 INFO L82 PathProgramCache]: Analyzing trace with hash 498007913, now seen corresponding path program 1 times [2018-11-18 13:37:28,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:28,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:28,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:28,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:28,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1870533586, now seen corresponding path program 1 times [2018-11-18 13:37:28,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:28,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:28,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:28,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:37:29,001 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 13:37:29,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:37:29,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:37:29,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:37:29,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:37:29,097 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 6 states. [2018-11-18 13:37:29,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:37:29,315 INFO L93 Difference]: Finished difference Result 405 states and 515 transitions. [2018-11-18 13:37:29,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:37:29,319 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 405 states and 515 transitions. [2018-11-18 13:37:29,327 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 264 [2018-11-18 13:37:29,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 405 states to 365 states and 475 transitions. [2018-11-18 13:37:29,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 365 [2018-11-18 13:37:29,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 365 [2018-11-18 13:37:29,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 365 states and 475 transitions. [2018-11-18 13:37:29,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:37:29,340 INFO L705 BuchiCegarLoop]: Abstraction has 365 states and 475 transitions. [2018-11-18 13:37:29,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states and 475 transitions. [2018-11-18 13:37:29,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 169. [2018-11-18 13:37:29,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 13:37:29,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 220 transitions. [2018-11-18 13:37:29,375 INFO L728 BuchiCegarLoop]: Abstraction has 169 states and 220 transitions. [2018-11-18 13:37:29,375 INFO L608 BuchiCegarLoop]: Abstraction has 169 states and 220 transitions. [2018-11-18 13:37:29,375 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:37:29,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 220 transitions. [2018-11-18 13:37:29,377 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 121 [2018-11-18 13:37:29,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:37:29,377 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:37:29,378 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:37:29,378 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] [2018-11-18 13:37:29,378 INFO L794 eck$LassoCheckResult]: Stem: 633#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~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 554#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 555#L678 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 611#L671 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 618#L686 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 609#L276 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 610#L248 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 602#L144 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 550#L910-3 [2018-11-18 13:37:29,379 INFO L796 eck$LassoCheckResult]: Loop: 550#L910-3 assume true; 546#L910-1 assume !false; 547#L911 assume test_~splverifierCounter~0 < 4; 614#L912 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 615#L920 assume !(0 != test_~tmp~8); 557#L920-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 619#L930 assume !(0 != test_~tmp___0~2); 635#L930-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 578#L940 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 579#L896 assume { :end_inline_startSystem } true; 587#L948-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 594#L817 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 629#L154 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 607#L714 assume !(0 != ~pumpRunning~0); 592#L714-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 593#L746 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 623#L738-1 assume { :end_inline_processEnvironment__wrappee__base } true; 622#L746-1 assume { :end_inline_processEnvironment } true; 626#L721-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 600#L122 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 601#L165 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 589#L165-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 565#L731 assume { :end_inline_timeShift } true; 550#L910-3 [2018-11-18 13:37:29,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,379 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:37:29,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:29,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,424 INFO L82 PathProgramCache]: Analyzing trace with hash 868239084, now seen corresponding path program 1 times [2018-11-18 13:37:29,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,425 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:37:29,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1691905507, now seen corresponding path program 1 times [2018-11-18 13:37:29,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:29,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:37:29,512 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 13:37:29,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:37:29,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:37:29,635 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-11-18 13:37:29,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:37:29,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:37:29,688 INFO L87 Difference]: Start difference. First operand 169 states and 220 transitions. cyclomatic complexity: 54 Second operand 5 states. [2018-11-18 13:37:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:37:29,839 INFO L93 Difference]: Finished difference Result 460 states and 590 transitions. [2018-11-18 13:37:29,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:37:29,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 460 states and 590 transitions. [2018-11-18 13:37:29,843 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 230 [2018-11-18 13:37:29,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 460 states to 460 states and 590 transitions. [2018-11-18 13:37:29,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 460 [2018-11-18 13:37:29,847 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 460 [2018-11-18 13:37:29,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 460 states and 590 transitions. [2018-11-18 13:37:29,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:37:29,849 INFO L705 BuchiCegarLoop]: Abstraction has 460 states and 590 transitions. [2018-11-18 13:37:29,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states and 590 transitions. [2018-11-18 13:37:29,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 322. [2018-11-18 13:37:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-11-18 13:37:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 410 transitions. [2018-11-18 13:37:29,864 INFO L728 BuchiCegarLoop]: Abstraction has 322 states and 410 transitions. [2018-11-18 13:37:29,865 INFO L608 BuchiCegarLoop]: Abstraction has 322 states and 410 transitions. [2018-11-18 13:37:29,865 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:37:29,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 322 states and 410 transitions. [2018-11-18 13:37:29,866 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 230 [2018-11-18 13:37:29,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:37:29,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:37:29,867 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:37:29,867 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] [2018-11-18 13:37:29,867 INFO L794 eck$LassoCheckResult]: Stem: 1296#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~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(21);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(30);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(9);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(21);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(25);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1199#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~3, main_~tmp~1;havoc main_~retValue_acc~3;havoc main_~tmp~1;assume { :begin_inline_select_helpers } true; 1200#L678 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1260#L671 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;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; 1269#L686 main_#t~ret13 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 1258#L276 assume 0 != main_~tmp~1;assume { :begin_inline_setup } true; 1259#L248 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1249#L144 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1195#L910-3 [2018-11-18 13:37:29,868 INFO L796 eck$LassoCheckResult]: Loop: 1195#L910-3 assume true; 1191#L910-1 assume !false; 1192#L911 assume test_~splverifierCounter~0 < 4; 1307#L912 test_~tmp~8 := test_#t~nondet70;havoc test_#t~nondet70; 1492#L920 assume !(0 != test_~tmp~8); 1481#L920-2 test_~tmp___0~2 := test_#t~nondet71;havoc test_#t~nondet71; 1478#L930 assume !(0 != test_~tmp___0~2); 1475#L930-2 test_~tmp___2~0 := test_#t~nondet72;havoc test_#t~nondet72; 1473#L940 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1470#L896 assume { :end_inline_startSystem } true; 1469#L948-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1468#L817 __utac_acc__Specification5_spec__2_#t~ret10 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10;havoc __utac_acc__Specification5_spec__2_#t~ret10; 1467#L154 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1465#L714 assume !(0 != ~pumpRunning~0); 1239#L714-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1240#L746 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1277#L738-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1276#L746-1 assume { :end_inline_processEnvironment } true; 1280#L721-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11, __utac_acc__Specification5_spec__3_#t~ret12, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 1305#L122 __utac_acc__Specification5_spec__3_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret11;havoc __utac_acc__Specification5_spec__3_#t~ret11; 1286#L165 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 1287#L817-1 __utac_acc__Specification5_spec__3_#t~ret12 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret12;havoc __utac_acc__Specification5_spec__3_#t~ret12; 1461#L169 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1309#L165-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1210#L731 assume { :end_inline_timeShift } true; 1195#L910-3 [2018-11-18 13:37:29,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,868 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:37:29,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:29,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1135006087, now seen corresponding path program 1 times [2018-11-18 13:37:29,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,909 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:37:29,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:37:29,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1890511170, now seen corresponding path program 1 times [2018-11-18 13:37:29,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:37:29,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:37:29,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:37:29,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:37:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:37:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:38:14,973 WARN L180 SmtUtils]: Spent 44.89 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:38:37,211 WARN L180 SmtUtils]: Spent 22.23 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:38:37,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:38:37 BoogieIcfgContainer [2018-11-18 13:38:37,271 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:38:37,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:38:37,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:38:37,272 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:38:37,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:37:28" (3/4) ... [2018-11-18 13:38:37,275 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:38:37,317 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bbc0b392-1f38-481e-ba14-72d347323534/bin-2019/uautomizer/witness.graphml [2018-11-18 13:38:37,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:38:37,318 INFO L168 Benchmark]: Toolchain (without parser) took 69708.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.6 MB in the beginning and 858.9 MB in the end (delta: 97.7 MB). Peak memory consumption was 229.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:37,319 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:38:37,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:37,319 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.99 ms. Allocated memory is still 1.1 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. [2018-11-18 13:38:37,319 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:38:37,320 INFO L168 Benchmark]: RCFGBuilder took 557.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:37,320 INFO L168 Benchmark]: BuchiAutomizer took 68647.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 863.6 MB in the end (delta: 158.2 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:37,320 INFO L168 Benchmark]: Witness Printer took 45.94 ms. Allocated memory is still 1.2 GB. Free memory was 863.6 MB in the beginning and 858.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:38:37,322 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.99 ms. Allocated memory is still 1.1 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 29.04 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 557.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 68647.92 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 32.5 MB). Free memory was 1.0 GB in the beginning and 863.6 MB in the end (delta: 158.2 MB). Peak memory consumption was 198.2 MB. Max. memory is 11.5 GB. * Witness Printer took 45.94 ms. Allocated memory is still 1.2 GB. Free memory was 863.6 MB in the beginning and 858.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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 322 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 68.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 68.0s. Construction of modules took 0.2s. 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, 334 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 322 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 336 SDtfs, 1129 SDslu, 1439 SDs, 0 SdLazy, 132 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 910]: 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, "Off"=0, "On"=0, "Env(Water:%i"=17, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=33, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a6486e0=0, "OK"=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@398327ab=0, ",Pump:"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "Off"=39, "On"=35, methaneLevelCritical=0, "__utac__get_this_arg"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4010eb9=0, "i > 0 && i <= this->argsCount"=27, "\n"=0, "libacc.c"=22, ") "=0, "\n"=8, tmp=0, tmp___1=0, tmp=1, "libacc.c"=24, retValue_acc=0, cleanupTimeShifts=4, "__utac__get_this_arg"=23, switchedOnBeforeTS=0, "libacc.c"=28, "libacc.c"=11, \result=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "i > 0 && i <= this->argsCount"=0, "Off"=36, "i > 0 && i <= this->argsCount"=31, "Pump(System:"=0, ",Pump:"=37, "Off"=0, "On"=0, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, \result=0, "libacc.c"=0, ") "=40, tmp=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2df624fa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1778f3b2=153, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@406f844c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11521003=0, retValue_acc=1, "CRIT"=15, tmp___2=153, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23928040=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b63521a=0, ")"=0, "OK"=0, "CRIT"=0, ")"=14, head=0, tmp=0, "i > 0 && i <= this->argsCount"=20, "__utac__get_this_arg"=0, ",Meth:"=16, "__utac__get_this_argtype"=29, "On"=38, "Pump(System:"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 910]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L587] FCALL "i > 0 && i <= this->argsCount" [L587] FCALL "libacc.c" [L588] FCALL "__utac__get_this_arg" [L594] FCALL "i > 0 && i <= this->argsCount" [L594] FCALL "libacc.c" [L595] FCALL "__utac__get_this_arg" [L633] FCALL "i > 0 && i <= this->argsCount" [L633] FCALL "libacc.c" [L634] FCALL "__utac__get_this_argtype" [L640] FCALL "i > 0 && i <= this->argsCount" [L640] FCALL "libacc.c" [L641] FCALL "__utac__get_this_argtype" [L826] FCALL "Pump(System:" [L830] FCALL "On" [L834] FCALL "Off" [L838] FCALL ",Pump:" [L842] FCALL "On" [L846] FCALL "Off" [L850] FCALL ") " [L852] FCALL "\n" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L138] int switchedOnBeforeTS ; [L187] int cleanupTimeShifts = 4; [L704] int pumpRunning = 0; [L705] int systemActive = 1; [L459] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L267] int retValue_acc ; [L268] int tmp ; [L272] FCALL select_helpers() [L273] FCALL select_features() [L274] CALL, EXPR valid_product() [L682] int retValue_acc ; [L685] retValue_acc = 1 [L686] RET return (retValue_acc); [L274] EXPR valid_product() [L274] tmp = valid_product() [L276] COND TRUE \read(tmp) [L278] FCALL setup() [L279] CALL runTest() [L257] CALL __utac_acc__Specification5_spec__1() [L143] RET switchedOnBeforeTS = 0 [L257] __utac_acc__Specification5_spec__1() [L258] CALL test() [L901] int splverifierCounter ; [L902] int tmp ; [L903] int tmp___0 ; [L904] int tmp___1 ; [L905] int tmp___2 ; [L908] splverifierCounter = 0 Loop: [L910] COND TRUE 1 [L912] COND TRUE splverifierCounter < 4 [L918] tmp = __VERIFIER_nondet_int() [L920] COND FALSE !(\read(tmp)) [L928] tmp___0 = __VERIFIER_nondet_int() [L930] COND FALSE !(\read(tmp___0)) [L938] tmp___2 = __VERIFIER_nondet_int() [L940] COND TRUE \read(tmp___2) [L942] CALL startSystem() [L895] RET systemActive = 1 [L942] startSystem() [L957] CALL timeShift() [L712] CALL __utac_acc__Specification5_spec__2() [L152] CALL, EXPR isPumpRunning() [L813] int retValue_acc ; [L816] retValue_acc = pumpRunning [L817] RET return (retValue_acc); [L152] EXPR isPumpRunning() [L152] RET switchedOnBeforeTS = isPumpRunning() [L712] __utac_acc__Specification5_spec__2() [L714] COND FALSE !(\read(pumpRunning)) [L721] COND TRUE \read(systemActive) [L723] CALL processEnvironment() [L743] int tmp ; [L746] COND FALSE !(\read(pumpRunning)) [L761] RET, FCALL processEnvironment__wrappee__base() [L723] processEnvironment() [L729] CALL __utac_acc__Specification5_spec__3() [L158] int tmp ; [L159] int tmp___0 ; [L163] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L163] EXPR getWaterLevel() [L163] tmp = getWaterLevel() [L165] COND TRUE tmp != 2 [L167] CALL, EXPR isPumpRunning() [L813] int retValue_acc ; [L816] retValue_acc = pumpRunning [L817] RET return (retValue_acc); [L167] EXPR isPumpRunning() [L167] tmp___0 = isPumpRunning() [L169] COND FALSE, RET !(\read(tmp___0)) [L729] RET __utac_acc__Specification5_spec__3() [L957] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...