./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_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_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/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 28eabf23056233d68b7e553ed7896542bdaad81b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:27:02,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:27:02,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:27:02,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:27:02,523 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:27:02,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:27:02,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:27:02,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:27:02,527 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:27:02,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:27:02,528 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:27:02,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:27:02,529 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:27:02,530 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:27:02,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:27:02,531 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:27:02,532 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:27:02,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:27:02,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:27:02,536 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:27:02,537 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:27:02,538 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:27:02,540 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:27:02,540 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:27:02,540 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:27:02,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:27:02,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:27:02,542 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:27:02,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:27:02,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:27:02,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:27:02,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:27:02,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:27:02,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:27:02,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:27:02,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:27:02,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:27:02,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:27:02,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:27:02,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:27:02,559 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:27:02,559 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:27:02,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:27:02,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:27:02,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:27:02,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:27:02,562 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:27:02,562 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:27:02,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:27:02,562 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:27:02,562 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:27:02,563 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:27:02,563 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_13f89239-ceb7-4bf3-a614-10807136f2cc/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 -> 28eabf23056233d68b7e553ed7896542bdaad81b [2018-11-18 15:27:02,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:27:02,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:27:02,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:27:02,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:27:02,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:27:02,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-18 15:27:02,641 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/data/36e34ac9b/a0d4e9b54fbf488badc99be09950d087/FLAGc44c0e47d [2018-11-18 15:27:03,071 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:27:03,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/sv-benchmarks/c/product-lines/minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-18 15:27:03,081 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/data/36e34ac9b/a0d4e9b54fbf488badc99be09950d087/FLAGc44c0e47d [2018-11-18 15:27:03,090 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/data/36e34ac9b/a0d4e9b54fbf488badc99be09950d087 [2018-11-18 15:27:03,091 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:27:03,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:27:03,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:27:03,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:27:03,095 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:27:03,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03, skipping insertion in model container [2018-11-18 15:27:03,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:27:03,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:27:03,326 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:27:03,335 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:27:03,445 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:27:03,467 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:27:03,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03 WrapperNode [2018-11-18 15:27:03,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:27:03,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:27:03,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:27:03,468 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:27:03,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:27:03,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:27:03,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:27:03,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:27:03,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... [2018-11-18 15:27:03,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:27:03,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:27:03,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:27:03,545 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:27:03,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/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 15:27:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:27:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:27:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:27:04,064 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:27:04,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:04 BoogieIcfgContainer [2018-11-18 15:27:04,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:27:04,065 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:27:04,065 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:27:04,068 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:27:04,069 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:27:04,069 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:27:03" (1/3) ... [2018-11-18 15:27:04,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71cf6cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:27:04, skipping insertion in model container [2018-11-18 15:27:04,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:27:04,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:03" (2/3) ... [2018-11-18 15:27:04,070 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71cf6cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:27:04, skipping insertion in model container [2018-11-18 15:27:04,070 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:27:04,070 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:04" (3/3) ... [2018-11-18 15:27:04,072 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product25_true-unreach-call_false-termination.cil.c [2018-11-18 15:27:04,110 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:27:04,110 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:27:04,111 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:27:04,111 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:27:04,111 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:27:04,111 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:27:04,111 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:27:04,111 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:27:04,111 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:27:04,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 15:27:04,144 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 15:27:04,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:27:04,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:27:04,150 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:04,150 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:04,150 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:27:04,150 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-18 15:27:04,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 15:27:04,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:27:04,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:27:04,156 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:04,156 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:04,160 INFO L794 eck$LassoCheckResult]: Stem: 76#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 15#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 62#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 11#L73true main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 110#L423true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 3#L398true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4#L899true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L284-3true [2018-11-18 15:27:04,160 INFO L796 eck$LassoCheckResult]: Loop: 61#L284-3true assume true; 45#L284-1true assume !false; 9#L285true assume test_~splverifierCounter~0 < 4; 73#L286true test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 86#L294true assume !(0 != test_~tmp~3); 96#L294-2true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 25#L304true assume !(0 != test_~tmp___0~1); 16#L304-2true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 69#L314true assume 0 != test_~tmp___2~0; 39#L320-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 103#L211true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 47#L909true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 59#L108true assume !(0 != ~pumpRunning~0); 57#L108-2true assume !(0 != ~systemActive~0); 88#L115-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 32#L513true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 46#L920true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 49#L920-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 19#L125true assume { :end_inline_timeShift } true; 61#L284-3true [2018-11-18 15:27:04,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,166 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:27:04,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:04,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1332008061, now seen corresponding path program 1 times [2018-11-18 15:27:04,332 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,333 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:04,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1533210892, now seen corresponding path program 1 times [2018-11-18 15:27:04,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:04,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:27:04,496 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 15:27:04,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:27:04,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:27:04,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:27:04,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:27:04,579 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2018-11-18 15:27:04,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:27:04,703 INFO L93 Difference]: Finished difference Result 111 states and 139 transitions. [2018-11-18 15:27:04,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:27:04,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 139 transitions. [2018-11-18 15:27:04,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 15:27:04,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 101 states and 129 transitions. [2018-11-18 15:27:04,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2018-11-18 15:27:04,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2018-11-18 15:27:04,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 129 transitions. [2018-11-18 15:27:04,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:27:04,715 INFO L705 BuchiCegarLoop]: Abstraction has 101 states and 129 transitions. [2018-11-18 15:27:04,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 129 transitions. [2018-11-18 15:27:04,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-18 15:27:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-18 15:27:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 129 transitions. [2018-11-18 15:27:04,737 INFO L728 BuchiCegarLoop]: Abstraction has 101 states and 129 transitions. [2018-11-18 15:27:04,737 INFO L608 BuchiCegarLoop]: Abstraction has 101 states and 129 transitions. [2018-11-18 15:27:04,737 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:27:04,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 129 transitions. [2018-11-18 15:27:04,738 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2018-11-18 15:27:04,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:27:04,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:27:04,739 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:04,739 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 15:27:04,739 INFO L794 eck$LassoCheckResult]: Stem: 331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 260#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 263#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 255#L73 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 256#L423 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 243#L398 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 244#L899 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 245#L284-3 [2018-11-18 15:27:04,739 INFO L796 eck$LassoCheckResult]: Loop: 245#L284-3 assume true; 308#L284-1 assume !false; 251#L285 assume test_~splverifierCounter~0 < 4; 252#L286 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 328#L294 assume !(0 != test_~tmp~3); 336#L294-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 277#L304 assume !(0 != test_~tmp___0~1); 264#L304-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 265#L314 assume 0 != test_~tmp___2~0; 299#L320-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 300#L211 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 311#L909 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 312#L108 assume !(0 != ~pumpRunning~0); 306#L108-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 318#L140 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 333#L132-1 assume { :end_inline_processEnvironment__wrappee__base } true; 334#L140-1 assume { :end_inline_processEnvironment } true; 337#L115-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 287#L513 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 288#L920 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 310#L920-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 269#L125 assume { :end_inline_timeShift } true; 245#L284-3 [2018-11-18 15:27:04,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,740 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:27:04,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:04,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1405947165, now seen corresponding path program 1 times [2018-11-18 15:27:04,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,776 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:27:04,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:04,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:04,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1848159046, now seen corresponding path program 1 times [2018-11-18 15:27:04,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:04,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:04,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:04,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:27:04,870 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 15:27:04,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:27:04,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:27:04,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:27:04,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:27:04,925 INFO L87 Difference]: Start difference. First operand 101 states and 129 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-18 15:27:05,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:27:05,042 INFO L93 Difference]: Finished difference Result 289 states and 367 transitions. [2018-11-18 15:27:05,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:27:05,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 289 states and 367 transitions. [2018-11-18 15:27:05,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 130 [2018-11-18 15:27:05,049 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 289 states to 289 states and 367 transitions. [2018-11-18 15:27:05,050 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2018-11-18 15:27:05,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2018-11-18 15:27:05,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 367 transitions. [2018-11-18 15:27:05,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:27:05,052 INFO L705 BuchiCegarLoop]: Abstraction has 289 states and 367 transitions. [2018-11-18 15:27:05,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 367 transitions. [2018-11-18 15:27:05,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 190. [2018-11-18 15:27:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-11-18 15:27:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2018-11-18 15:27:05,062 INFO L728 BuchiCegarLoop]: Abstraction has 190 states and 239 transitions. [2018-11-18 15:27:05,062 INFO L608 BuchiCegarLoop]: Abstraction has 190 states and 239 transitions. [2018-11-18 15:27:05,062 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:27:05,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 190 states and 239 transitions. [2018-11-18 15:27:05,064 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 130 [2018-11-18 15:27:05,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:27:05,068 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:27:05,068 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:05,068 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:27:05,069 INFO L794 eck$LassoCheckResult]: Stem: 745#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(13);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 110];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 102];#memory_int := #memory_int[#t~string9.base,3 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 44];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 80];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 117];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 109];#memory_int := #memory_int[#t~string11.base,4 + #t~string11.offset := 112];#memory_int := #memory_int[#t~string11.base,5 + #t~string11.offset := 58];#memory_int := #memory_int[#t~string11.base,6 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 110];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 102];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 41];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 32];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 10];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(13);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 44];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 77];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 101];#memory_int := #memory_int[#t~string29.base,3 + #t~string29.offset := 116];#memory_int := #memory_int[#t~string29.base,4 + #t~string29.offset := 104];#memory_int := #memory_int[#t~string29.base,5 + #t~string29.offset := 58];#memory_int := #memory_int[#t~string29.base,6 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 67];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 82];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 73];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 84];#memory_int := #memory_int[#t~string31.base,4 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 79];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 75];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 41];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 666#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 667#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 670#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 664#L73 main_#t~ret25 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 665#L423 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 649#L398 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 650#L899 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 651#L284-3 [2018-11-18 15:27:05,069 INFO L796 eck$LassoCheckResult]: Loop: 651#L284-3 assume true; 717#L284-1 assume !false; 658#L285 assume test_~splverifierCounter~0 < 4; 659#L286 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 742#L294 assume !(0 != test_~tmp~3); 751#L294-2 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 684#L304 assume !(0 != test_~tmp___0~1); 671#L304-2 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 672#L314 assume 0 != test_~tmp___2~0; 707#L320-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret71;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 708#L211 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 762#L909 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 730#L108 assume !(0 != ~pumpRunning~0); 731#L108-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 827#L140 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 824#L132-1 assume { :end_inline_processEnvironment__wrappee__base } true; 756#L140-1 assume { :end_inline_processEnvironment } true; 752#L115-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 696#L513 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 697#L920 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 718#L211-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 761#L924 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 736#L920-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 676#L125 assume { :end_inline_timeShift } true; 651#L284-3 [2018-11-18 15:27:05,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:05,069 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 15:27:05,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:05,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:05,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:05,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:05,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:05,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1818571304, now seen corresponding path program 1 times [2018-11-18 15:27:05,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:05,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:05,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,108 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:27:05,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:05,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:27:05,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2054715967, now seen corresponding path program 1 times [2018-11-18 15:27:05,116 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:27:05,116 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:27:05,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:27:05,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:27:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:27:39,164 WARN L180 SmtUtils]: Spent 33.88 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:27:54,297 WARN L180 SmtUtils]: Spent 15.13 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:27:54,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:27:54 BoogieIcfgContainer [2018-11-18 15:27:54,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:27:54,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:27:54,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:27:54,371 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:27:54,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:04" (3/4) ... [2018-11-18 15:27:54,374 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:27:54,417 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_13f89239-ceb7-4bf3-a614-10807136f2cc/bin-2019/uautomizer/witness.graphml [2018-11-18 15:27:54,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:27:54,418 INFO L168 Benchmark]: Toolchain (without parser) took 51326.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 879.4 MB in the end (delta: 77.2 MB). Peak memory consumption was 224.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,419 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:27:54,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,420 INFO L168 Benchmark]: Boogie Preprocessor took 27.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:27:54,420 INFO L168 Benchmark]: RCFGBuilder took 520.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,420 INFO L168 Benchmark]: BuchiAutomizer took 50305.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 884.1 MB in the end (delta: 148.3 MB). Peak memory consumption was 193.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,421 INFO L168 Benchmark]: Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 884.1 MB in the beginning and 879.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:27:54,422 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 520.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.0 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50305.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 33.0 MB). Free memory was 1.0 GB in the beginning and 884.1 MB in the end (delta: 148.3 MB). Peak memory consumption was 193.2 MB. Max. memory is 11.5 GB. * Witness Printer took 46.77 ms. Allocated memory is still 1.2 GB. Free memory was 884.1 MB in the beginning and 879.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 190 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 49.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 99 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 190 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 309 SDtfs, 826 SDslu, 399 SDs, 0 SdLazy, 88 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 284]: 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 {"Off"=14, NULL=0, "libacc.c"=0, "libacc.c"=36, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "On"=18, "i > 0 && i <= this->argsCount"=35, ",Pump:"=16, "libacc.c"=24, "__utac__get_this_arg"=28, methaneLevelCritical=0, tmp=1, tmp=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "OK"=38, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=20, "libacc.c"=0, tmp___1=0, ",Meth:"=31, cleanupTimeShifts=4, switchedOnBeforeTS=0, "CRIT"=33, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c7e1a8d=0, ") "=12, "Env(Water:%i"=0, ",Meth:"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=34, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cf58dbf=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35b14711=0, tmp___0=0, "i > 0 && i <= this->argsCount"=29, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ff8c485=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f32170c=0, tmp=1, "\n"=0, "i > 0 && i <= this->argsCount"=27, "Off"=0, ")"=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8cb452a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@414d0e96=170, ")"=22, ") "=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24858cd3=0, "libacc.c"=37, "Pump(System:"=19, retValue_acc=1, retValue_acc=1, tmp___2=170, tmp___0=0, splverifierCounter=0, "__utac__get_this_arg"=0, "Off"=0, "On"=0, "Pump(System:"=0, "Off"=17, tmp=0, "__utac__get_this_arg"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4552c2b7=0, head=0, "\n"=8, "Env(Water:%i"=11, "CRIT"=0, "On"=0, ",Pump:"=0, "On"=15, "i > 0 && i <= this->argsCount"=26, "__utac__get_this_argtype"=39, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 284]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] FCALL "Pump(System:" [L224] FCALL "On" [L228] FCALL "Off" [L232] FCALL ",Pump:" [L236] FCALL "On" [L240] FCALL "Off" [L244] FCALL ") " [L246] FCALL "\n" [L490] FCALL "Env(Water:%i" [L491] FCALL ",Meth:" [L495] FCALL "CRIT" [L499] FCALL "OK" [L503] FCALL ")" [L824] FCALL "i > 0 && i <= this->argsCount" [L824] FCALL "libacc.c" [L825] FCALL "__utac__get_this_arg" [L831] FCALL "i > 0 && i <= this->argsCount" [L831] FCALL "libacc.c" [L832] FCALL "__utac__get_this_arg" [L870] FCALL "i > 0 && i <= this->argsCount" [L870] FCALL "libacc.c" [L871] FCALL "__utac__get_this_argtype" [L877] FCALL "i > 0 && i <= this->argsCount" [L877] FCALL "libacc.c" [L878] FCALL "__utac__get_this_argtype" [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L339] int cleanupTimeShifts = 4; [L438] int waterLevel = 1; [L439] int methaneLevelCritical = 0; [L893] int switchedOnBeforeTS ; [L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int retValue_acc ; [L415] int tmp ; [L419] FCALL select_helpers() [L420] FCALL select_features() [L421] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L421] EXPR valid_product() [L421] tmp = valid_product() [L423] COND TRUE \read(tmp) [L425] FCALL setup() [L426] CALL runTest() [L407] CALL __utac_acc__Specification5_spec__1() [L898] RET switchedOnBeforeTS = 0 [L407] __utac_acc__Specification5_spec__1() [L408] CALL test() [L275] int splverifierCounter ; [L276] int tmp ; [L277] int tmp___0 ; [L278] int tmp___1 ; [L279] int tmp___2 ; [L282] splverifierCounter = 0 Loop: [L284] COND TRUE 1 [L286] COND TRUE splverifierCounter < 4 [L292] tmp = __VERIFIER_nondet_int() [L294] COND FALSE !(\read(tmp)) [L302] tmp___0 = __VERIFIER_nondet_int() [L304] COND FALSE !(\read(tmp___0)) [L312] tmp___2 = __VERIFIER_nondet_int() [L314] COND TRUE \read(tmp___2) [L327] CALL timeShift() [L106] CALL __utac_acc__Specification5_spec__2() [L907] CALL, EXPR isPumpRunning() [L207] int retValue_acc ; [L210] retValue_acc = pumpRunning [L211] RET return (retValue_acc); [L907] EXPR isPumpRunning() [L907] RET switchedOnBeforeTS = isPumpRunning() [L106] __utac_acc__Specification5_spec__2() [L108] COND FALSE !(\read(pumpRunning)) [L115] COND TRUE \read(systemActive) [L117] CALL processEnvironment() [L137] int tmp ; [L140] COND FALSE !(\read(pumpRunning)) [L155] RET, FCALL processEnvironment__wrappee__base() [L117] processEnvironment() [L123] CALL __utac_acc__Specification5_spec__3() [L913] int tmp ; [L914] int tmp___0 ; [L918] CALL, EXPR getWaterLevel() [L509] int retValue_acc ; [L512] retValue_acc = waterLevel [L513] RET return (retValue_acc); [L918] EXPR getWaterLevel() [L918] tmp = getWaterLevel() [L920] COND TRUE tmp != 2 [L922] CALL, EXPR isPumpRunning() [L207] int retValue_acc ; [L210] retValue_acc = pumpRunning [L211] RET return (retValue_acc); [L922] EXPR isPumpRunning() [L922] tmp___0 = isPumpRunning() [L924] COND FALSE, RET !(\read(tmp___0)) [L123] RET __utac_acc__Specification5_spec__3() [L327] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...