./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_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_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:53:29,445 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:53:29,446 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:53:29,452 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:53:29,452 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:53:29,453 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:53:29,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:53:29,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:53:29,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:53:29,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:53:29,457 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:53:29,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:53:29,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:53:29,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:53:29,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:53:29,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:53:29,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:53:29,460 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:53:29,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:53:29,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:53:29,463 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:53:29,464 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:53:29,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:53:29,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:53:29,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:53:29,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:53:29,467 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:53:29,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:53:29,467 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:53:29,468 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:53:29,468 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:53:29,468 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:53:29,468 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:53:29,469 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:53:29,469 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:53:29,470 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:53:29,470 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:53:29,479 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:53:29,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:53:29,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:53:29,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:53:29,480 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:53:29,481 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:53:29,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:53:29,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:53:29,482 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:53:29,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:53:29,483 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:53:29,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:53:29,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:53:29,484 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:53:29,484 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:53:29,485 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_29562991-14d8-4eb5-afcc-bbac6b391e5a/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2018-11-18 16:53:29,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:53:29,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:53:29,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:53:29,520 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:53:29,520 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:53:29,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:29,558 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/data/7c323bf51/ef40c0657411499b8f0651e4008522ef/FLAGbb400049a [2018-11-18 16:53:29,992 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:53:29,992 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/sv-benchmarks/c/product-lines/minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:30,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/data/7c323bf51/ef40c0657411499b8f0651e4008522ef/FLAGbb400049a [2018-11-18 16:53:30,014 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/data/7c323bf51/ef40c0657411499b8f0651e4008522ef [2018-11-18 16:53:30,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:53:30,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:53:30,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:30,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:53:30,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:53:30,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30, skipping insertion in model container [2018-11-18 16:53:30,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:53:30,059 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:53:30,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:30,262 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:53:30,361 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:53:30,379 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:53:30,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30 WrapperNode [2018-11-18 16:53:30,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:53:30,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:30,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:53:30,380 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:53:30,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:53:30,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:53:30,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:53:30,425 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:53:30,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... [2018-11-18 16:53:30,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:53:30,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:53:30,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:53:30,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:53:30,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/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 16:53:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:53:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:53:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:53:31,106 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:53:31,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:31 BoogieIcfgContainer [2018-11-18 16:53:31,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:53:31,107 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:53:31,107 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:53:31,110 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:53:31,111 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:53:31,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:53:30" (1/3) ... [2018-11-18 16:53:31,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c16a311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:53:31, skipping insertion in model container [2018-11-18 16:53:31,112 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:53:31,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:53:30" (2/3) ... [2018-11-18 16:53:31,112 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c16a311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:53:31, skipping insertion in model container [2018-11-18 16:53:31,112 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:53:31,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:31" (3/3) ... [2018-11-18 16:53:31,114 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product57_true-unreach-call_false-termination.cil.c [2018-11-18 16:53:31,147 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:53:31,148 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:53:31,148 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:53:31,148 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:53:31,148 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:53:31,148 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:53:31,148 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:53:31,148 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:53:31,148 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:53:31,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 16:53:31,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 16:53:31,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:53:31,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:53:31,189 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,189 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,189 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:53:31,189 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2018-11-18 16:53:31,196 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2018-11-18 16:53:31,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:53:31,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:53:31,197 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,197 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,201 INFO L794 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 18#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 138#L490true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 39#L483true 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; 142#L498true main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 20#L585true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 108#L562true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 173#L54-3true [2018-11-18 16:53:31,201 INFO L796 eck$LassoCheckResult]: Loop: 173#L54-3true assume true; 22#L54-1true assume !false; 143#L55true assume test_~splverifierCounter~0 < 4; 98#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 106#L64true assume !(0 != test_~tmp~0); 88#L64-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 152#L74true assume !(0 != test_~tmp___0~0); 135#L74-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 14#L84true assume 0 != test_~tmp___2~0; 187#L90-2true assume { :begin_inline_timeShift } true; 149#L126true assume !(0 != ~pumpRunning~0); 148#L126-2true assume !(0 != ~systemActive~0); 103#L133-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 175#L437true __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 131#L344true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 132#L344-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 130#L143true assume { :end_inline_timeShift } true; 173#L54-3true [2018-11-18 16:53:31,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:53:31,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,366 INFO L82 PathProgramCache]: Analyzing trace with hash 259954963, now seen corresponding path program 1 times [2018-11-18 16:53:31,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,378 INFO L82 PathProgramCache]: Analyzing trace with hash -671726641, now seen corresponding path program 1 times [2018-11-18 16:53:31,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:31,499 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 16:53:31,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:31,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:53:31,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:53:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:53:31,579 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2018-11-18 16:53:31,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:31,705 INFO L93 Difference]: Finished difference Result 185 states and 240 transitions. [2018-11-18 16:53:31,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:53:31,707 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 240 transitions. [2018-11-18 16:53:31,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 16:53:31,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 175 states and 230 transitions. [2018-11-18 16:53:31,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 175 [2018-11-18 16:53:31,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 175 [2018-11-18 16:53:31,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 175 states and 230 transitions. [2018-11-18 16:53:31,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:53:31,718 INFO L705 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 16:53:31,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states and 230 transitions. [2018-11-18 16:53:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-18 16:53:31,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 16:53:31,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 230 transitions. [2018-11-18 16:53:31,743 INFO L728 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 16:53:31,743 INFO L608 BuchiCegarLoop]: Abstraction has 175 states and 230 transitions. [2018-11-18 16:53:31,743 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:53:31,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 175 states and 230 transitions. [2018-11-18 16:53:31,745 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 16:53:31,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:53:31,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:53:31,746 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,746 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 16:53:31,746 INFO L794 eck$LassoCheckResult]: Stem: 549#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 421#L490 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 449#L483 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; 450#L498 main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 424#L585 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 425#L562 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 526#L54-3 [2018-11-18 16:53:31,746 INFO L796 eck$LassoCheckResult]: Loop: 526#L54-3 assume true; 427#L54-1 assume !false; 428#L55 assume test_~splverifierCounter~0 < 4; 515#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 516#L64 assume !(0 != test_~tmp~0); 506#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 507#L74 assume !(0 != test_~tmp___0~0); 490#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 415#L84 assume 0 != test_~tmp___2~0; 416#L90-2 assume { :begin_inline_timeShift } true; 557#L126 assume !(0 != ~pumpRunning~0); 555#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 556#L184 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 460#L158-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 404#L150-3 assume { :end_inline_processEnvironment__wrappee__base } true; 405#L158-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 451#L184-1 assume { :end_inline_processEnvironment } true; 518#L133-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 519#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 543#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 488#L344-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 542#L143 assume { :end_inline_timeShift } true; 526#L54-3 [2018-11-18 16:53:31,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:53:31,747 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,790 INFO L82 PathProgramCache]: Analyzing trace with hash -202439871, now seen corresponding path program 1 times [2018-11-18 16:53:31,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,791 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:53:31,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:31,813 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 16:53:31,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:31,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:53:31,814 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:53:31,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:53:31,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:53:31,815 INFO L87 Difference]: Start difference. First operand 175 states and 230 transitions. cyclomatic complexity: 57 Second operand 3 states. [2018-11-18 16:53:31,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:31,894 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2018-11-18 16:53:31,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:53:31,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 238 states and 300 transitions. [2018-11-18 16:53:31,897 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 16:53:31,899 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 238 states to 238 states and 300 transitions. [2018-11-18 16:53:31,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 238 [2018-11-18 16:53:31,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 238 [2018-11-18 16:53:31,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 238 states and 300 transitions. [2018-11-18 16:53:31,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:53:31,902 INFO L705 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 16:53:31,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states and 300 transitions. [2018-11-18 16:53:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2018-11-18 16:53:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-18 16:53:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 300 transitions. [2018-11-18 16:53:31,911 INFO L728 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 16:53:31,911 INFO L608 BuchiCegarLoop]: Abstraction has 238 states and 300 transitions. [2018-11-18 16:53:31,911 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 16:53:31,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 238 states and 300 transitions. [2018-11-18 16:53:31,914 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 166 [2018-11-18 16:53:31,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:53:31,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:53:31,915 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,915 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:31,915 INFO L794 eck$LassoCheckResult]: Stem: 974#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 835#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 836#L490 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 867#L483 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; 868#L498 main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 839#L585 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 840#L562 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 950#L54-3 [2018-11-18 16:53:31,915 INFO L796 eck$LassoCheckResult]: Loop: 950#L54-3 assume true; 843#L54-1 assume !false; 844#L55 assume test_~splverifierCounter~0 < 4; 939#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 940#L64 assume !(0 != test_~tmp~0); 928#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 929#L74 assume !(0 != test_~tmp___0~0); 909#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 827#L84 assume 0 != test_~tmp___2~0; 828#L90-2 assume { :begin_inline_timeShift } true; 981#L126 assume !(0 != ~pumpRunning~0); 979#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 980#L184 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 878#L158-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 879#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 880#L450-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 870#L304-3 assume !(0 != isHighWaterLevel_~tmp~4);isHighWaterLevel_~tmp___0~1 := 1; 871#L304-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 825#L310-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 826#L162-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 830#L150-2 assume { :end_inline_processEnvironment__wrappee__base } true; 831#L158-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 869#L184-1 assume { :end_inline_processEnvironment } true; 945#L133-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 946#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 968#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 908#L344-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 967#L143 assume { :end_inline_timeShift } true; 950#L54-3 [2018-11-18 16:53:31,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 16:53:31,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:31,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:31,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:31,956 INFO L82 PathProgramCache]: Analyzing trace with hash 205583831, now seen corresponding path program 1 times [2018-11-18 16:53:31,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:31,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:31,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,957 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:53:31,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:53:31,994 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 16:53:31,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:53:31,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:53:31,994 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 16:53:31,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:53:31,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:53:31,995 INFO L87 Difference]: Start difference. First operand 238 states and 300 transitions. cyclomatic complexity: 64 Second operand 4 states. [2018-11-18 16:53:32,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:53:32,067 INFO L93 Difference]: Finished difference Result 463 states and 575 transitions. [2018-11-18 16:53:32,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:53:32,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 463 states and 575 transitions. [2018-11-18 16:53:32,070 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 328 [2018-11-18 16:53:32,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 463 states to 463 states and 575 transitions. [2018-11-18 16:53:32,072 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 463 [2018-11-18 16:53:32,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 463 [2018-11-18 16:53:32,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 463 states and 575 transitions. [2018-11-18 16:53:32,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:53:32,075 INFO L705 BuchiCegarLoop]: Abstraction has 463 states and 575 transitions. [2018-11-18 16:53:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states and 575 transitions. [2018-11-18 16:53:32,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 250. [2018-11-18 16:53:32,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-11-18 16:53:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 312 transitions. [2018-11-18 16:53:32,085 INFO L728 BuchiCegarLoop]: Abstraction has 250 states and 312 transitions. [2018-11-18 16:53:32,085 INFO L608 BuchiCegarLoop]: Abstraction has 250 states and 312 transitions. [2018-11-18 16:53:32,085 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 16:53:32,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 250 states and 312 transitions. [2018-11-18 16:53:32,087 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 174 [2018-11-18 16:53:32,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:53:32,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:53:32,087 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:32,088 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:53:32,088 INFO L794 eck$LassoCheckResult]: Stem: 1691#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(13);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 44];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 77];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 101];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 116];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 104];#memory_int := #memory_int[#t~string31.base,5 + #t~string31.offset := 58];#memory_int := #memory_int[#t~string31.base,6 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 67];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 82];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 73];#memory_int := #memory_int[#t~string33.base,3 + #t~string33.offset := 84];#memory_int := #memory_int[#t~string33.base,4 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 79];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 75];#memory_int := #memory_int[#t~string35.base,2 + #t~string35.offset := 0];call #t~string37.base, #t~string37.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string37.base,#t~string37.offset := 41];#memory_int := #memory_int[#t~string37.base,1 + #t~string37.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1546#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1547#L490 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1580#L483 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; 1581#L498 main_#t~ret39 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 1550#L585 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1551#L562 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1667#L54-3 [2018-11-18 16:53:32,088 INFO L796 eck$LassoCheckResult]: Loop: 1667#L54-3 assume true; 1554#L54-1 assume !false; 1555#L55 assume test_~splverifierCounter~0 < 4; 1656#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1657#L64 assume !(0 != test_~tmp~0); 1645#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1646#L74 assume !(0 != test_~tmp___0~0); 1625#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1538#L84 assume 0 != test_~tmp___2~0; 1539#L90-2 assume { :begin_inline_timeShift } true; 1698#L126 assume !(0 != ~pumpRunning~0); 1696#L126-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1697#L184 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1591#L158-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1592#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1713#L450-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 1583#L304-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1584#L304-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1536#L310-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1537#L162-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1541#L150-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1542#L158-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1582#L184-1 assume { :end_inline_processEnvironment } true; 1662#L133-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 1663#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 1685#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 1624#L344-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1684#L143 assume { :end_inline_timeShift } true; 1667#L54-3 [2018-11-18 16:53:32,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:32,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 16:53:32,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:32,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:32,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:32,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:32,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:32,119 INFO L82 PathProgramCache]: Analyzing trace with hash -52581607, now seen corresponding path program 1 times [2018-11-18 16:53:32,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:32,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:32,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,120 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:53:32,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:32,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:53:32,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1303563555, now seen corresponding path program 1 times [2018-11-18 16:53:32,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:53:32,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:53:32,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:53:32,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:53:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:53:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:54:48,477 WARN L180 SmtUtils]: Spent 1.27 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:55:26,714 WARN L180 SmtUtils]: Spent 38.24 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:55:26,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:55:26 BoogieIcfgContainer [2018-11-18 16:55:26,779 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:55:26,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:55:26,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:55:26,780 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:55:26,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:53:31" (3/4) ... [2018-11-18 16:55:26,783 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:55:26,823 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29562991-14d8-4eb5-afcc-bbac6b391e5a/bin-2019/uautomizer/witness.graphml [2018-11-18 16:55:26,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:55:26,824 INFO L168 Benchmark]: Toolchain (without parser) took 116807.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 957.6 MB in the beginning and 919.5 MB in the end (delta: 38.2 MB). Peak memory consumption was 204.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,825 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:26,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,825 INFO L168 Benchmark]: Boogie Preprocessor took 23.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:55:26,826 INFO L168 Benchmark]: RCFGBuilder took 657.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,826 INFO L168 Benchmark]: BuchiAutomizer took 115672.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.1 MB). Free memory was 1.0 GB in the beginning and 925.5 MB in the end (delta: 111.7 MB). Peak memory consumption was 182.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,826 INFO L168 Benchmark]: Witness Printer took 44.16 ms. Allocated memory is still 1.2 GB. Free memory was 925.5 MB in the beginning and 919.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:55:26,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 657.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 115672.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 35.1 MB). Free memory was 1.0 GB in the beginning and 925.5 MB in the end (delta: 111.7 MB). Peak memory consumption was 182.5 MB. Max. memory is 11.5 GB. * Witness Printer took 44.16 ms. Allocated memory is still 1.2 GB. Free memory was 925.5 MB in the beginning and 919.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 250 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 115.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 115.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 213 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 250 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 716 SDtfs, 1253 SDslu, 507 SDs, 0 SdLazy, 96 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 54]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {",Pump:"=26, NULL=0, "libacc.c"=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7676f6d9=0, "libacc.c"=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67b558b4=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3392290f=40, "__utac__get_this_arg"=0, "__utac__get_this_arg"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@764d7573=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14d95bcc=0, "__utac__get_this_argtype"=39, "On"=28, methaneLevelCritical=0, ")"=15, tmp___0=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "CRIT"=17, retValue_acc=0, "libacc.c"=31, "i > 0 && i <= this->argsCount"=0, tmp___1=0, "Env(Water:%i"=19, "\n"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47d86232=0, cleanupTimeShifts=4, tmp=0, tmp=0, ",Meth:"=18, tmp___0=0, "On"=24, "\n"=0, ") "=0, "Env(Water:%i"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=38, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@471c1eba=0, "i > 0 && i <= this->argsCount"=14, \result=0, tmp___0=0, "__utac__get_this_arg"=8, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, \result=0, retValue_acc=1, ") "=22, "Off"=0, "i > 0 && i <= this->argsCount"=0, ",Pump:"=0, "OK"=0, tmp=1, "CRIT"=0, "OK"=16, "On"=0, \result=1, "i > 0 && i <= this->argsCount"=34, retValue_acc=1, "i > 0 && i <= this->argsCount"=11, "__utac__get_this_argtype"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a1f4976=0, tmp=1, tmp=1, tmp___2=40, retValue_acc=1, splverifierCounter=0, "libacc.c"=0, "Pump(System:"=0, "Pump(System:"=29, "i > 0 && i <= this->argsCount"=37, "libacc.c"=12, tmp=0, head=0, "Off"=23, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ec43102=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43bec353=0, "Off"=0, "On"=0, "libacc.c"=35, "Off"=27} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 54]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L264] FCALL "Pump(System:" [L268] FCALL "On" [L272] FCALL "Off" [L276] FCALL ",Pump:" [L280] FCALL "On" [L284] FCALL "Off" [L288] FCALL ") " [L290] FCALL "\n" [L414] FCALL "Env(Water:%i" [L415] FCALL ",Meth:" [L419] FCALL "CRIT" [L423] FCALL "OK" [L427] FCALL ")" [L896] FCALL "i > 0 && i <= this->argsCount" [L896] FCALL "libacc.c" [L897] FCALL "__utac__get_this_arg" [L903] FCALL "i > 0 && i <= this->argsCount" [L903] FCALL "libacc.c" [L904] FCALL "__utac__get_this_arg" [L942] FCALL "i > 0 && i <= this->argsCount" [L942] FCALL "libacc.c" [L943] FCALL "__utac__get_this_argtype" [L949] FCALL "i > 0 && i <= this->argsCount" [L949] FCALL "libacc.c" [L950] FCALL "__utac__get_this_argtype" [L118] int pumpRunning = 0; [L119] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L503] int cleanupTimeShifts = 4; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L576] int retValue_acc ; [L577] int tmp ; [L581] FCALL select_helpers() [L582] FCALL select_features() [L583] CALL, EXPR valid_product() [L494] int retValue_acc ; [L497] retValue_acc = 1 [L498] RET return (retValue_acc); [L583] EXPR valid_product() [L583] tmp = valid_product() [L585] COND TRUE \read(tmp) [L587] FCALL setup() [L588] CALL runTest() [L570] CALL test() [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L126] COND FALSE !(\read(pumpRunning)) [L133] COND TRUE \read(systemActive) [L135] CALL processEnvironment() [L181] int tmp ; [L184] COND FALSE !(\read(pumpRunning)) [L199] CALL processEnvironment__wrappee__highWaterSensor() [L155] int tmp ; [L158] COND TRUE ! pumpRunning [L160] CALL, EXPR isHighWaterLevel() [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L302] CALL, EXPR isHighWaterSensorDry() [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] RET return (retValue_acc); [L302] EXPR isHighWaterSensorDry() [L302] tmp = isHighWaterSensorDry() [L304] COND TRUE \read(tmp) [L305] tmp___0 = 0 [L309] retValue_acc = tmp___0 [L310] RET return (retValue_acc); [L160] EXPR isHighWaterLevel() [L160] tmp = isHighWaterLevel() [L162] COND FALSE !(\read(tmp)) [L168] RET, FCALL processEnvironment__wrappee__base() [L199] RET processEnvironment__wrappee__highWaterSensor() [L135] processEnvironment() [L141] CALL __utac_acc__Specification4_spec__1() [L337] int tmp ; [L338] int tmp___0 ; [L342] CALL, EXPR getWaterLevel() [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] RET return (retValue_acc); [L342] EXPR getWaterLevel() [L342] tmp = getWaterLevel() [L344] COND FALSE, RET !(tmp == 0) [L141] RET __utac_acc__Specification4_spec__1() [L97] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...