./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product05_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_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/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 6807f0a20a9980e0b825c3ed1b1872123dbe179c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:52:48,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:52:48,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:52:48,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:52:48,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:52:48,296 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:52:48,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:52:48,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:52:48,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:52:48,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:52:48,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:52:48,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:52:48,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:52:48,302 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:52:48,303 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:52:48,303 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:52:48,304 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:52:48,305 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:52:48,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:52:48,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:52:48,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:52:48,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:52:48,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:52:48,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:52:48,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:52:48,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:52:48,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:52:48,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:52:48,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:52:48,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:52:48,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:52:48,314 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:52:48,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:52:48,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:52:48,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:52:48,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:52:48,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:52:48,324 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:52:48,324 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:52:48,325 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:52:48,325 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:52:48,325 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:52:48,326 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:52:48,326 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:52:48,326 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:52:48,326 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:52:48,326 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:52:48,326 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:52:48,326 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:52:48,327 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:52:48,328 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:52:48,328 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:52:48,329 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:52:48,329 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:52:48,329 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:52:48,330 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:52:48,330 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_2ebf56c7-4b93-4724-b43e-0e46036980e2/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 -> 6807f0a20a9980e0b825c3ed1b1872123dbe179c [2018-11-18 09:52:48,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:52:48,360 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:52:48,362 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:52:48,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:52:48,363 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:52:48,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product05_true-unreach-call_false-termination.cil.c [2018-11-18 09:52:48,399 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/data/cbcc48cbc/42474c33875e4e0e87e1231068f863a9/FLAG6b7302344 [2018-11-18 09:52:48,769 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:52:48,770 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/sv-benchmarks/c/product-lines/minepump_spec5_product05_true-unreach-call_false-termination.cil.c [2018-11-18 09:52:48,779 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/data/cbcc48cbc/42474c33875e4e0e87e1231068f863a9/FLAG6b7302344 [2018-11-18 09:52:49,161 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/data/cbcc48cbc/42474c33875e4e0e87e1231068f863a9 [2018-11-18 09:52:49,164 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:52:49,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:52:49,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:52:49,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:52:49,169 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:52:49,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72de6083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49, skipping insertion in model container [2018-11-18 09:52:49,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:52:49,214 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:52:49,411 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:52:49,420 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:52:49,521 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:52:49,536 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:52:49,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49 WrapperNode [2018-11-18 09:52:49,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:52:49,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:52:49,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:52:49,537 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:52:49,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:52:49,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:52:49,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:52:49,572 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:52:49,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... [2018-11-18 09:52:49,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:52:49,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:52:49,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:52:49,596 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:52:49,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/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 09:52:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:52:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:52:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:52:50,069 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:52:50,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:50 BoogieIcfgContainer [2018-11-18 09:52:50,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:52:50,070 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:52:50,070 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:52:50,073 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:52:50,073 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:50,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:52:49" (1/3) ... [2018-11-18 09:52:50,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61160be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:52:50, skipping insertion in model container [2018-11-18 09:52:50,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:50,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:52:49" (2/3) ... [2018-11-18 09:52:50,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61160be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:52:50, skipping insertion in model container [2018-11-18 09:52:50,075 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:52:50,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:50" (3/3) ... [2018-11-18 09:52:50,076 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05_true-unreach-call_false-termination.cil.c [2018-11-18 09:52:50,112 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:52:50,112 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:52:50,112 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:52:50,112 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:52:50,112 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:52:50,112 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:52:50,113 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:52:50,113 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:52:50,113 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:52:50,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:52:50,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 09:52:50,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:50,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:50,152 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:50,152 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] [2018-11-18 09:52:50,152 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:52:50,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 09:52:50,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 09:52:50,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:50,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:50,158 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:50,158 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] [2018-11-18 09:52:50,161 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 109#L880true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 57#L873true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 4#L888true main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 12#L764true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 101#L737true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 83#L49true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L248-3true [2018-11-18 09:52:50,162 INFO L796 eck$LassoCheckResult]: Loop: 68#L248-3true assume true; 69#L248-1true assume !false; 32#L249true assume test_~splverifierCounter~0 < 4; 79#L250true test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 108#L258true assume !(0 != test_~tmp~2); 105#L258-2true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 46#L268true assume !(0 != test_~tmp___0~1); 42#L268-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 78#L278true assume 0 != test_~tmp___2~0; 52#L284-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 29#L194true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 20#L59true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 14#L109true assume !(0 != ~pumpRunning~0); 10#L109-2true assume !(0 != ~systemActive~0); 55#L116-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 90#L853true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 21#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 19#L70-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 91#L126true assume { :end_inline_timeShift } true; 68#L248-3true [2018-11-18 09:52:50,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,167 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 09:52:50,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:50,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1124923869, now seen corresponding path program 1 times [2018-11-18 09:52:50,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:50,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1740295084, now seen corresponding path program 1 times [2018-11-18 09:52:50,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:50,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:52:50,468 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 09:52:50,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:52:50,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:52:50,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:52:50,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:52:50,578 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 09:52:50,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:52:50,720 INFO L93 Difference]: Finished difference Result 105 states and 130 transitions. [2018-11-18 09:52:50,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:52:50,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 130 transitions. [2018-11-18 09:52:50,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-18 09:52:50,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 120 transitions. [2018-11-18 09:52:50,729 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2018-11-18 09:52:50,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2018-11-18 09:52:50,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 120 transitions. [2018-11-18 09:52:50,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:52:50,732 INFO L705 BuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2018-11-18 09:52:50,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 120 transitions. [2018-11-18 09:52:50,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-18 09:52:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-18 09:52:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 120 transitions. [2018-11-18 09:52:50,754 INFO L728 BuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2018-11-18 09:52:50,754 INFO L608 BuchiCegarLoop]: Abstraction has 95 states and 120 transitions. [2018-11-18 09:52:50,754 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:52:50,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 120 transitions. [2018-11-18 09:52:50,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2018-11-18 09:52:50,756 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:50,756 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:50,757 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:50,757 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 09:52:50,757 INFO L794 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 239#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 240#L880 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 320#L873 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 233#L888 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 234#L764 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 250#L737 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 295#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 244#L248-3 [2018-11-18 09:52:50,757 INFO L796 eck$LassoCheckResult]: Loop: 244#L248-3 assume true; 245#L248-1 assume !false; 251#L249 assume test_~splverifierCounter~0 < 4; 286#L250 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 289#L258 assume !(0 != test_~tmp~2); 321#L258-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 308#L268 assume !(0 != test_~tmp___0~1); 252#L268-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 279#L278 assume 0 != test_~tmp___2~0; 280#L284-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 284#L194 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 262#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 253#L109 assume !(0 != ~pumpRunning~0); 248#L109-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 249#L141 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 312#L133-1 assume { :end_inline_processEnvironment__wrappee__base } true; 232#L141-1 assume { :end_inline_processEnvironment } true; 316#L116-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 297#L853 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 263#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 260#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 261#L126 assume { :end_inline_timeShift } true; 244#L248-3 [2018-11-18 09:52:50,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,758 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 09:52:50,758 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:50,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,799 INFO L82 PathProgramCache]: Analyzing trace with hash -33465955, now seen corresponding path program 1 times [2018-11-18 09:52:50,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,800 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:52:50,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:50,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:50,811 INFO L82 PathProgramCache]: Analyzing trace with hash 408745926, now seen corresponding path program 1 times [2018-11-18 09:52:50,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:50,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:50,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:50,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:52:50,881 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 09:52:50,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:52:50,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:52:50,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:52:50,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:52:50,976 INFO L87 Difference]: Start difference. First operand 95 states and 120 transitions. cyclomatic complexity: 27 Second operand 5 states. [2018-11-18 09:52:51,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:52:51,182 INFO L93 Difference]: Finished difference Result 267 states and 334 transitions. [2018-11-18 09:52:51,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:52:51,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 267 states and 334 transitions. [2018-11-18 09:52:51,187 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2018-11-18 09:52:51,193 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 267 states to 267 states and 334 transitions. [2018-11-18 09:52:51,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 267 [2018-11-18 09:52:51,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 267 [2018-11-18 09:52:51,194 INFO L73 IsDeterministic]: Start isDeterministic. Operand 267 states and 334 transitions. [2018-11-18 09:52:51,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:52:51,196 INFO L705 BuchiCegarLoop]: Abstraction has 267 states and 334 transitions. [2018-11-18 09:52:51,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states and 334 transitions. [2018-11-18 09:52:51,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 178. [2018-11-18 09:52:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-11-18 09:52:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 221 transitions. [2018-11-18 09:52:51,206 INFO L728 BuchiCegarLoop]: Abstraction has 178 states and 221 transitions. [2018-11-18 09:52:51,206 INFO L608 BuchiCegarLoop]: Abstraction has 178 states and 221 transitions. [2018-11-18 09:52:51,207 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:52:51,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 221 transitions. [2018-11-18 09:52:51,208 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 122 [2018-11-18 09:52:51,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:52:51,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:52:51,209 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:52:51,209 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] [2018-11-18 09:52:51,210 INFO L794 eck$LassoCheckResult]: Stem: 655#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 110];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 102];#memory_int := #memory_int[#t~string10.base,3 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 44];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 80];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 117];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 109];#memory_int := #memory_int[#t~string12.base,4 + #t~string12.offset := 112];#memory_int := #memory_int[#t~string12.base,5 + #t~string12.offset := 58];#memory_int := #memory_int[#t~string12.base,6 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 79];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 110];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 102];#memory_int := #memory_int[#t~string16.base,3 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 41];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 32];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 10];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 44];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 77];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 101];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 116];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 104];#memory_int := #memory_int[#t~string64.base,5 + #t~string64.offset := 58];#memory_int := #memory_int[#t~string64.base,6 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 67];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 82];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 73];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 84];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 79];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 75];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 41];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 617#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 618#L880 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 719#L873 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 611#L888 main_#t~ret60 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 612#L764 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 628#L737 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 682#L49 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 622#L248-3 [2018-11-18 09:52:51,210 INFO L796 eck$LassoCheckResult]: Loop: 622#L248-3 assume true; 623#L248-1 assume !false; 629#L249 assume test_~splverifierCounter~0 < 4; 670#L250 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 771#L258 assume !(0 != test_~tmp~2); 770#L258-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 768#L268 assume !(0 != test_~tmp___0~1); 766#L268-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 659#L278 assume 0 != test_~tmp___2~0; 660#L284-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 667#L194 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 641#L59 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 633#L109 assume !(0 != ~pumpRunning~0); 635#L109-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 760#L141 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 757#L133-1 assume { :end_inline_processEnvironment__wrappee__base } true; 755#L141-1 assume { :end_inline_processEnvironment } true; 754#L116-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __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~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 753#L853 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 645#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 646#L194-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 751#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 639#L70-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 640#L126 assume { :end_inline_timeShift } true; 622#L248-3 [2018-11-18 09:52:51,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:51,210 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 09:52:51,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:51,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:51,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:51,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:51,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:51,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2115110536, now seen corresponding path program 1 times [2018-11-18 09:52:51,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:51,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:51,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,252 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:52:51,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:51,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:52:51,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1943712097, now seen corresponding path program 1 times [2018-11-18 09:52:51,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:52:51,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:52:51,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:52:51,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:52:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:52:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:53:23,839 WARN L180 SmtUtils]: Spent 32.41 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 09:53:44,309 WARN L180 SmtUtils]: Spent 20.47 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 09:53:44,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:53:44 BoogieIcfgContainer [2018-11-18 09:53:44,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:53:44,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:53:44,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:53:44,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:53:44,380 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:52:50" (3/4) ... [2018-11-18 09:53:44,383 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:53:44,424 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ebf56c7-4b93-4724-b43e-0e46036980e2/bin-2019/uautomizer/witness.graphml [2018-11-18 09:53:44,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:53:44,424 INFO L168 Benchmark]: Toolchain (without parser) took 55260.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 951.1 MB in the beginning and 957.6 MB in the end (delta: -6.5 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,425 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:53:44,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,425 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,426 INFO L168 Benchmark]: Boogie Preprocessor took 24.34 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,426 INFO L168 Benchmark]: RCFGBuilder took 473.69 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,426 INFO L168 Benchmark]: BuchiAutomizer took 54309.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 132.8 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,426 INFO L168 Benchmark]: Witness Printer took 44.31 ms. Allocated memory is still 1.2 GB. Free memory was 962.2 MB in the beginning and 957.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:53:44,428 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -204.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.33 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.34 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 473.69 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: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54309.18 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 132.8 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * Witness Printer took 44.31 ms. Allocated memory is still 1.2 GB. Free memory was 962.2 MB in the beginning and 957.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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 178 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 53.7s. 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, 89 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 178 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 321 SDtfs, 754 SDslu, 374 SDs, 0 SdLazy, 75 SolverSat, 23 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: 248]: 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, ",Meth:"=0, "Env(Water:%i"=0, "libacc.c"=0, "Off"=35, "i > 0 && i <= this->argsCount"=23, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=39, "libacc.c"=0, "__utac__get_this_arg"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=15, "libacc.c"=29, methaneLevelCritical=0, "On"=38, tmp=0, "OK"=0, "CRIT"=0, "OK"=8, tmp___1=0, tmp=1, "On"=0, "Pump(System:"=0, "\n"=18, cleanupTimeShifts=4, switchedOnBeforeTS=0, "__utac__get_this_arg"=33, "On"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1be7c2a2=0, \result=0, "libacc.c"=14, NULL=0, systemActive=1, waterLevel=1, \result=1, "On"=0, ",Pump:"=0, ",Pump:"=17, "Off"=0, "libacc.c"=19, "libacc.c"=22, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "libacc.c"=0, tmp___0=0, \result=1, ") "=31, head=0, pumpRunning=0, "__utac__get_this_argtype"=36, \result=0, "i > 0 && i <= this->argsCount"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b2ba901=0, "CRIT"=28, ")"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3114ed0a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@186a78a9=160, ") "=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2eaf6bb0=0, "__utac__get_this_arg"=34, retValue_acc=1, retValue_acc=1, tmp___2=160, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@726d5848=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4bc1bccc=0, "Pump(System:"=11, ")"=12, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dba4af2=0, head=0, retValue_acc=0, "\n"=0, "Off"=20, "i > 0 && i <= this->argsCount"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1da9a59b=0, "Env(Water:%i"=26, "__utac__get_this_argtype"=16, "__utac__get_this_arg"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 248]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L203] FCALL "Pump(System:" [L207] FCALL "On" [L211] FCALL "Off" [L215] FCALL ",Pump:" [L219] FCALL "On" [L223] FCALL "Off" [L227] FCALL ") " [L229] FCALL "\n" [L600] FCALL "i > 0 && i <= this->argsCount" [L600] FCALL "libacc.c" [L601] FCALL "__utac__get_this_arg" [L607] FCALL "i > 0 && i <= this->argsCount" [L607] FCALL "libacc.c" [L608] FCALL "__utac__get_this_arg" [L646] FCALL "i > 0 && i <= this->argsCount" [L646] FCALL "libacc.c" [L647] FCALL "__utac__get_this_argtype" [L653] FCALL "i > 0 && i <= this->argsCount" [L653] FCALL "libacc.c" [L654] FCALL "__utac__get_this_argtype" [L830] FCALL "Env(Water:%i" [L831] FCALL ",Meth:" [L835] FCALL "CRIT" [L839] FCALL "OK" [L843] FCALL ")" [L43] int switchedOnBeforeTS ; [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L678] int cleanupTimeShifts = 4; [L778] int waterLevel = 1; [L779] int methaneLevelCritical = 0; [L472] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int retValue_acc ; [L756] int tmp ; [L760] FCALL select_helpers() [L761] FCALL select_features() [L762] CALL, EXPR valid_product() [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] RET return (retValue_acc); [L762] EXPR valid_product() [L762] tmp = valid_product() [L764] COND TRUE \read(tmp) [L766] FCALL setup() [L767] CALL runTest() [L745] CALL __utac_acc__Specification5_spec__1() [L48] RET switchedOnBeforeTS = 0 [L745] __utac_acc__Specification5_spec__1() [L746] CALL test() [L239] int splverifierCounter ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L246] splverifierCounter = 0 Loop: [L248] COND TRUE 1 [L250] COND TRUE splverifierCounter < 4 [L256] tmp = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp)) [L266] tmp___0 = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp___0)) [L276] tmp___2 = __VERIFIER_nondet_int() [L278] COND TRUE \read(tmp___2) [L291] CALL timeShift() [L107] CALL __utac_acc__Specification5_spec__2() [L57] CALL, EXPR isPumpRunning() [L190] int retValue_acc ; [L193] retValue_acc = pumpRunning [L194] RET return (retValue_acc); [L57] EXPR isPumpRunning() [L57] RET switchedOnBeforeTS = isPumpRunning() [L107] __utac_acc__Specification5_spec__2() [L109] COND FALSE !(\read(pumpRunning)) [L116] COND TRUE \read(systemActive) [L118] CALL processEnvironment() [L138] int tmp ; [L141] COND FALSE !(\read(pumpRunning)) [L156] RET, FCALL processEnvironment__wrappee__base() [L118] processEnvironment() [L124] CALL __utac_acc__Specification5_spec__3() [L63] int tmp ; [L64] int tmp___0 ; [L68] CALL, EXPR getWaterLevel() [L849] int retValue_acc ; [L852] retValue_acc = waterLevel [L853] RET return (retValue_acc); [L68] EXPR getWaterLevel() [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L72] CALL, EXPR isPumpRunning() [L190] int retValue_acc ; [L193] retValue_acc = pumpRunning [L194] RET return (retValue_acc); [L72] EXPR isPumpRunning() [L72] tmp___0 = isPumpRunning() [L74] COND FALSE, RET !(\read(tmp___0)) [L124] RET __utac_acc__Specification5_spec__3() [L291] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...