./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product09_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_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product09_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/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 866baf73f4dcb586932f32344135b08000966702 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:35:13,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:35:13,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:35:13,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:35:13,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:35:13,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:35:13,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:35:13,341 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:35:13,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:35:13,343 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:35:13,344 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:35:13,345 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:35:13,345 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:35:13,346 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:35:13,347 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:35:13,348 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:35:13,349 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:35:13,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:35:13,352 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:35:13,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:35:13,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:35:13,355 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:35:13,357 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:35:13,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:35:13,358 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:35:13,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:35:13,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:35:13,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:35:13,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:35:13,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:35:13,362 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:35:13,362 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:35:13,363 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:35:13,363 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:35:13,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:35:13,365 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:35:13,365 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:35:13,378 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:35:13,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:35:13,380 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:35:13,380 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:35:13,380 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:35:13,380 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:35:13,380 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:35:13,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:35:13,381 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:35:13,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:35:13,383 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:35:13,383 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:35:13,384 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:35:13,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:35:13,384 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:35:13,385 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:35:13,385 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_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/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 -> 866baf73f4dcb586932f32344135b08000966702 [2018-11-18 16:35:13,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:35:13,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:35:13,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:35:13,425 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:35:13,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:35:13,426 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:13,479 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/data/c9bac9296/30841a3d98bd49a8ab839e57cc7f0d3f/FLAG99dcddc01 [2018-11-18 16:35:13,906 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:35:13,907 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/sv-benchmarks/c/product-lines/minepump_spec5_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:13,917 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/data/c9bac9296/30841a3d98bd49a8ab839e57cc7f0d3f/FLAG99dcddc01 [2018-11-18 16:35:13,929 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/data/c9bac9296/30841a3d98bd49a8ab839e57cc7f0d3f [2018-11-18 16:35:13,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:35:13,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:35:13,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:35:13,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:35:13,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:35:13,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:35:13" (1/1) ... [2018-11-18 16:35:13,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bea0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:13, skipping insertion in model container [2018-11-18 16:35:13,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:35:13" (1/1) ... [2018-11-18 16:35:13,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:35:13,987 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:35:14,280 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:35:14,290 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:35:14,352 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:35:14,443 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:35:14,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14 WrapperNode [2018-11-18 16:35:14,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:35:14,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:35:14,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:35:14,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:35:14,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:35:14,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:35:14,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:35:14,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:35:14,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... [2018-11-18 16:35:14,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:35:14,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:35:14,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:35:14,521 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:35:14,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/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 16:35:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:35:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:35:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:35:15,189 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:35:15,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:15 BoogieIcfgContainer [2018-11-18 16:35:15,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:35:15,191 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:35:15,191 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:35:15,194 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:35:15,195 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:35:15,196 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:35:13" (1/3) ... [2018-11-18 16:35:15,196 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540605a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:35:15, skipping insertion in model container [2018-11-18 16:35:15,197 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:35:15,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:14" (2/3) ... [2018-11-18 16:35:15,197 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540605a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:35:15, skipping insertion in model container [2018-11-18 16:35:15,197 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:35:15,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:15" (3/3) ... [2018-11-18 16:35:15,198 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product09_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:15,240 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:35:15,241 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:35:15,241 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:35:15,241 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:35:15,241 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:35:15,241 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:35:15,241 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:35:15,241 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:35:15,241 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:35:15,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 16:35:15,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 16:35:15,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:35:15,276 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:35:15,283 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:15,284 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 16:35:15,284 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:35:15,284 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 87 states. [2018-11-18 16:35:15,288 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2018-11-18 16:35:15,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:35:15,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:35:15,289 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:15,289 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 16:35:15,294 INFO L794 eck$LassoCheckResult]: Stem: 44#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~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 69#L825true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 85#L818true 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; 9#L833true main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 86#L423true assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 37#L395true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 6#L844true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L272-3true [2018-11-18 16:35:15,295 INFO L796 eck$LassoCheckResult]: Loop: 68#L272-3true assume true; 59#L272-1true assume !false; 73#L273true assume test_~splverifierCounter~0 < 4; 10#L274true test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 32#L282true assume !(0 != test_~tmp~1); 52#L282-2true test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 28#L292true assume !(0 != test_~tmp___0~0); 24#L292-2true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 88#L302true assume 0 != test_~tmp___2~0; 45#L308-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 35#L220true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 77#L854true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 30#L143true assume !(0 != ~pumpRunning~0); 51#L143-2true assume !(0 != ~systemActive~0); 43#L150-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 58#L121true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 75#L865true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 79#L865-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 21#L160true assume { :end_inline_timeShift } true; 68#L272-3true [2018-11-18 16:35:15,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:15,300 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 16:35:15,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:15,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:15,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:15,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:15,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:15,516 INFO L82 PathProgramCache]: Analyzing trace with hash 474087837, now seen corresponding path program 1 times [2018-11-18 16:35:15,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:15,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:15,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:15,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:15,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:15,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1903836180, now seen corresponding path program 1 times [2018-11-18 16:35:15,536 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:15,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:15,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:15,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:15,720 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 16:35:15,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:15,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:35:15,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:35:15,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:35:15,867 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 6 states. [2018-11-18 16:35:15,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:15,998 INFO L93 Difference]: Finished difference Result 84 states and 103 transitions. [2018-11-18 16:35:15,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:35:16,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 103 transitions. [2018-11-18 16:35:16,002 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 16:35:16,007 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 74 states and 93 transitions. [2018-11-18 16:35:16,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2018-11-18 16:35:16,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2018-11-18 16:35:16,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 93 transitions. [2018-11-18 16:35:16,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:35:16,010 INFO L705 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 16:35:16,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 93 transitions. [2018-11-18 16:35:16,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-18 16:35:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-18 16:35:16,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2018-11-18 16:35:16,036 INFO L728 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 16:35:16,036 INFO L608 BuchiCegarLoop]: Abstraction has 74 states and 93 transitions. [2018-11-18 16:35:16,036 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:35:16,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 93 transitions. [2018-11-18 16:35:16,037 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2018-11-18 16:35:16,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:35:16,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:35:16,038 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:16,038 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 16:35:16,038 INFO L794 eck$LassoCheckResult]: Stem: 246#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~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 211#L825 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 262#L818 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; 199#L833 main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 200#L423 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 239#L395 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 197#L844 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 198#L272-3 [2018-11-18 16:35:16,039 INFO L796 eck$LassoCheckResult]: Loop: 198#L272-3 assume true; 258#L272-1 assume !false; 259#L273 assume test_~splverifierCounter~0 < 4; 201#L274 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 202#L282 assume !(0 != test_~tmp~1); 231#L282-2 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 224#L292 assume !(0 != test_~tmp___0~0); 213#L292-2 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 220#L302 assume 0 != test_~tmp___2~0; 242#L308-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 236#L220 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 237#L854 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 227#L143 assume !(0 != ~pumpRunning~0); 229#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 252#L167 assume { :end_inline_processEnvironment } true; 244#L150-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 245#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 257#L865 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 222#L865-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 218#L160 assume { :end_inline_timeShift } true; 198#L272-3 [2018-11-18 16:35:16,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:16,039 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 16:35:16,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:16,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:16,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:16,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:16,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1855245317, now seen corresponding path program 1 times [2018-11-18 16:35:16,086 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:16,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:16,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,086 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:35:16,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:16,095 INFO L82 PathProgramCache]: Analyzing trace with hash -482719644, now seen corresponding path program 1 times [2018-11-18 16:35:16,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:16,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:16,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:16,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:16,230 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 16:35:16,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:16,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:35:16,484 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-11-18 16:35:16,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:35:16,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:35:16,496 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. cyclomatic complexity: 21 Second operand 5 states. [2018-11-18 16:35:16,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:16,937 INFO L93 Difference]: Finished difference Result 190 states and 235 transitions. [2018-11-18 16:35:16,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:35:16,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 235 transitions. [2018-11-18 16:35:16,940 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 94 [2018-11-18 16:35:16,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 235 transitions. [2018-11-18 16:35:16,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2018-11-18 16:35:16,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2018-11-18 16:35:16,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 235 transitions. [2018-11-18 16:35:16,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:35:16,943 INFO L705 BuchiCegarLoop]: Abstraction has 190 states and 235 transitions. [2018-11-18 16:35:16,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 235 transitions. [2018-11-18 16:35:16,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 136. [2018-11-18 16:35:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 16:35:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 167 transitions. [2018-11-18 16:35:16,951 INFO L728 BuchiCegarLoop]: Abstraction has 136 states and 167 transitions. [2018-11-18 16:35:16,951 INFO L608 BuchiCegarLoop]: Abstraction has 136 states and 167 transitions. [2018-11-18 16:35:16,951 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:35:16,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 167 transitions. [2018-11-18 16:35:16,952 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 94 [2018-11-18 16:35:16,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:35:16,952 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:35:16,953 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:16,953 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 16:35:16,953 INFO L794 eck$LassoCheckResult]: Stem: 530#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~string13.base, #t~string13.offset := #Ultimate.alloc(13);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 44];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 80];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 117];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 109];#memory_int := #memory_int[#t~string19.base,4 + #t~string19.offset := 112];#memory_int := #memory_int[#t~string19.base,5 + #t~string19.offset := 58];#memory_int := #memory_int[#t~string19.base,6 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 110];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 102];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 41];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 32];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 10];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2;assume { :begin_inline_select_helpers } true; 491#L825 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 548#L818 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; 479#L833 main_#t~ret32 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 480#L423 assume 0 != main_~tmp~2;assume { :begin_inline_setup } true; 522#L395 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 475#L844 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 476#L272-3 [2018-11-18 16:35:16,954 INFO L796 eck$LassoCheckResult]: Loop: 476#L272-3 assume true; 544#L272-1 assume !false; 545#L273 assume test_~splverifierCounter~0 < 4; 551#L274 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 604#L282 assume !(0 != test_~tmp~1); 603#L282-2 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 601#L292 assume !(0 != test_~tmp___0~0); 599#L292-2 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 597#L302 assume 0 != test_~tmp___2~0; 531#L308-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 518#L220 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 519#L854 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 509#L143 assume !(0 != ~pumpRunning~0); 511#L143-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 552#L167 assume { :end_inline_processEnvironment } true; 528#L150-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;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; 529#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 543#L865 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 553#L220-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 560#L869 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 504#L865-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 500#L160 assume { :end_inline_timeShift } true; 476#L272-3 [2018-11-18 16:35:16,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:16,954 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 16:35:16,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:16,954 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:16,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:16,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:16,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:16,996 INFO L82 PathProgramCache]: Analyzing trace with hash -498421354, now seen corresponding path program 1 times [2018-11-18 16:35:16,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:16,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:16,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:16,997 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:35:16,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:17,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:17,008 INFO L82 PathProgramCache]: Analyzing trace with hash -56209473, now seen corresponding path program 1 times [2018-11-18 16:35:17,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:35:17,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:35:17,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:17,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:17,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:35:17,392 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-11-18 16:36:55,537 WARN L180 SmtUtils]: Spent 1.63 m on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 16:37:44,426 WARN L180 SmtUtils]: Spent 48.89 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 16:37:44,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:37:44 BoogieIcfgContainer [2018-11-18 16:37:44,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:37:44,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:37:44,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:37:44,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:37:44,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:15" (3/4) ... [2018-11-18 16:37:44,519 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:37:44,571 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3cd8d03-daf3-427e-ad8c-4332d7fc76b1/bin-2019/uautomizer/witness.graphml [2018-11-18 16:37:44,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:37:44,572 INFO L168 Benchmark]: Toolchain (without parser) took 150639.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 280.5 MB). Free memory was 957.1 MB in the beginning and 1.3 GB in the end (delta: -307.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:37:44,573 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:37:44,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 509.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,574 INFO L168 Benchmark]: Boogie Preprocessor took 27.24 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,574 INFO L168 Benchmark]: RCFGBuilder took 669.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,574 INFO L168 Benchmark]: BuchiAutomizer took 149324.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.2 MB). Peak memory consumption was 337.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,575 INFO L168 Benchmark]: Witness Printer took 56.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:37:44,579 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 509.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.73 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.24 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 669.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 149324.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -195.2 MB). Peak memory consumption was 337.0 MB. Max. memory is 11.5 GB. * Witness Printer took 56.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 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 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 149.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 148.5s. Construction of modules took 0.4s. 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, 54 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 218 SDtfs, 540 SDslu, 265 SDs, 0 SdLazy, 73 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s 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: 272]: 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 {"On"=19, NULL=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "libacc.c"=34, "Env(Water:%i"=27, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "OK"=23, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=37, "libacc.c"=39, "__utac__get_this_arg"=33, methaneLevelCritical=0, tmp=1, "__utac__get_this_argtype"=0, tmp___1=0, "Off"=15, cleanupTimeShifts=4, tmp=0, switchedOnBeforeTS=0, ") "=14, \result=0, "__utac__get_this_arg"=36, "Off"=18, ") "=0, "Off"=0, "On"=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=31, "libacc.c"=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f9a60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5280cef6=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2025cead=0, tmp___0=0, "libacc.c"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52d613cf=0, "On"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a5a519e=0, ",Pump:"=0, tmp=1, "On"=0, "i > 0 && i <= this->argsCount"=0, "Off"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11002916=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59aba3f3=179, retValue_acc=1, "libacc.c"=28, "CRIT"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52b859d2=0, tmp___2=179, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=22, head=0, ",Pump:"=17, "\n"=12, ",Meth:"=26, "Pump(System:"=0, "__utac__get_this_argtype"=29, "Pump(System:"=20, "i > 0 && i <= this->argsCount"=35, "__utac__get_this_argtype"=38, "i > 0 && i <= this->argsCount"=8, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 272]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L229] FCALL "Pump(System:" [L233] FCALL "On" [L237] FCALL "Off" [L241] FCALL ",Pump:" [L245] FCALL "On" [L249] FCALL "Off" [L253] FCALL ") " [L255] FCALL "\n" [L734] FCALL "i > 0 && i <= this->argsCount" [L734] FCALL "libacc.c" [L735] FCALL "__utac__get_this_arg" [L741] FCALL "i > 0 && i <= this->argsCount" [L741] FCALL "libacc.c" [L742] FCALL "__utac__get_this_arg" [L780] FCALL "i > 0 && i <= this->argsCount" [L780] FCALL "libacc.c" [L781] FCALL "__utac__get_this_argtype" [L787] FCALL "i > 0 && i <= this->argsCount" [L787] FCALL "libacc.c" [L788] FCALL "__utac__get_this_argtype" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L336] int cleanupTimeShifts = 4; [L838] int switchedOnBeforeTS ; [L606] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int retValue_acc ; [L415] int tmp ; [L419] FCALL select_helpers() [L420] FCALL select_features() [L421] CALL, EXPR valid_product() [L829] int retValue_acc ; [L832] retValue_acc = 1 [L833] RET return (retValue_acc); [L421] EXPR valid_product() [L421] tmp = valid_product() [L423] COND TRUE \read(tmp) [L425] FCALL setup() [L426] CALL runTest() [L404] CALL __utac_acc__Specification5_spec__1() [L843] RET switchedOnBeforeTS = 0 [L404] __utac_acc__Specification5_spec__1() [L405] CALL test() [L263] int splverifierCounter ; [L264] int tmp ; [L265] int tmp___0 ; [L266] int tmp___1 ; [L267] int tmp___2 ; [L270] splverifierCounter = 0 Loop: [L272] COND TRUE 1 [L274] COND TRUE splverifierCounter < 4 [L280] tmp = __VERIFIER_nondet_int() [L282] COND FALSE !(\read(tmp)) [L290] tmp___0 = __VERIFIER_nondet_int() [L292] COND FALSE !(\read(tmp___0)) [L300] tmp___2 = __VERIFIER_nondet_int() [L302] COND TRUE \read(tmp___2) [L315] CALL timeShift() [L141] CALL __utac_acc__Specification5_spec__2() [L852] CALL, EXPR isPumpRunning() [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] RET return (retValue_acc); [L852] EXPR isPumpRunning() [L852] RET switchedOnBeforeTS = isPumpRunning() [L141] __utac_acc__Specification5_spec__2() [L143] COND FALSE !(\read(pumpRunning)) [L150] COND TRUE \read(systemActive) [L152] FCALL processEnvironment() [L158] CALL __utac_acc__Specification5_spec__3() [L858] int tmp ; [L859] int tmp___0 ; [L863] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L863] EXPR getWaterLevel() [L863] tmp = getWaterLevel() [L865] COND TRUE tmp != 2 [L867] CALL, EXPR isPumpRunning() [L216] int retValue_acc ; [L219] retValue_acc = pumpRunning [L220] RET return (retValue_acc); [L867] EXPR isPumpRunning() [L867] tmp___0 = isPumpRunning() [L869] COND FALSE, RET !(\read(tmp___0)) [L158] RET __utac_acc__Specification5_spec__3() [L315] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...