./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_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_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/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 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:02:47,784 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:02:47,786 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:02:47,792 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:02:47,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:02:47,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:02:47,794 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:02:47,795 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:02:47,796 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:02:47,796 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:02:47,797 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:02:47,797 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:02:47,798 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:02:47,799 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:02:47,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:02:47,800 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:02:47,801 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:02:47,802 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:02:47,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:02:47,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:02:47,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:02:47,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:02:47,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:02:47,808 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:02:47,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:02:47,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:02:47,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:02:47,809 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:02:47,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:02:47,810 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:02:47,810 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:02:47,811 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:02:47,811 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:02:47,811 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:02:47,811 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:02:47,812 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:02:47,812 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:02:47,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:02:47,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:02:47,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:02:47,822 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:02:47,822 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:02:47,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:02:47,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:02:47,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:02:47,825 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:02:47,825 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:02:47,825 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:02:47,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:02:47,825 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:02:47,825 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:02:47,826 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:02:47,826 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_3d8eeb65-d0d5-487a-ab92-dad02772399c/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 -> 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d [2018-11-18 13:02:47,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:02:47,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:02:47,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:02:47,861 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:02:47,861 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:02:47,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:02:47,897 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/data/988852c4f/808f8cb9c77c4fad918b41a1404447d9/FLAG66f81dbfe [2018-11-18 13:02:48,315 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:02:48,315 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:02:48,322 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/data/988852c4f/808f8cb9c77c4fad918b41a1404447d9/FLAG66f81dbfe [2018-11-18 13:02:48,330 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/data/988852c4f/808f8cb9c77c4fad918b41a1404447d9 [2018-11-18 13:02:48,332 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:02:48,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:02:48,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:48,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:02:48,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:02:48,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48, skipping insertion in model container [2018-11-18 13:02:48,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:02:48,375 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:02:48,551 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:48,561 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:02:48,654 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:02:48,672 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:02:48,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48 WrapperNode [2018-11-18 13:02:48,673 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:02:48,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:48,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:02:48,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:02:48,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:02:48,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:02:48,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:02:48,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:02:48,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... [2018-11-18 13:02:48,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:02:48,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:02:48,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:02:48,759 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:02:48,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:02:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:02:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:02:48,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:02:49,452 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:02:49,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:49 BoogieIcfgContainer [2018-11-18 13:02:49,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:02:49,453 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:02:49,453 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:02:49,456 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:02:49,457 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:49,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:02:48" (1/3) ... [2018-11-18 13:02:49,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310ff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:02:49, skipping insertion in model container [2018-11-18 13:02:49,458 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:49,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:02:48" (2/3) ... [2018-11-18 13:02:49,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310ff88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:02:49, skipping insertion in model container [2018-11-18 13:02:49,458 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:02:49,458 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:49" (3/3) ... [2018-11-18 13:02:49,459 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 13:02:49,498 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:02:49,499 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:02:49,499 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:02:49,499 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:02:49,499 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:02:49,499 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:02:49,499 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:02:49,499 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:02:49,499 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:02:49,513 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states. [2018-11-18 13:02:49,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2018-11-18 13:02:49,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:49,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:49,543 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:49,544 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:49,544 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:02:49,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 179 states. [2018-11-18 13:02:49,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117 [2018-11-18 13:02:49,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:49,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:49,550 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:49,550 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:49,553 INFO L794 eck$LassoCheckResult]: Stem: 115#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 20#L998true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 113#L991true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 25#L1006true main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 118#L498true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 55#L469true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 94#L529true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 43#L692-3true [2018-11-18 13:02:49,554 INFO L796 eck$LassoCheckResult]: Loop: 43#L692-3true assume true; 37#L692-1true assume !false; 172#L693true assume test_~splverifierCounter~0 < 4; 101#L694true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 103#L702true assume !(0 != test_~tmp~5); 106#L702-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 177#L712true assume !(0 != test_~tmp___0~1); 179#L712-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 64#L722true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet52;havoc test_#t~nondet52; 98#L730true assume !(0 != test_~tmp___1~0); 83#L730-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 32#L874true __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 156#L539true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 97#L763true assume !(0 != ~pumpRunning~0); 78#L763-2true assume !(0 != ~systemActive~0); 169#L770-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 138#L652true __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 155#L550true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 160#L550-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 50#L780true assume { :end_inline_timeShift } true; 43#L692-3true [2018-11-18 13:02:49,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:49,557 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 13:02:49,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:49,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:49,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:49,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:49,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:49,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1785284375, now seen corresponding path program 1 times [2018-11-18 13:02:49,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:49,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:49,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:49,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:49,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash -412758702, now seen corresponding path program 1 times [2018-11-18 13:02:49,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:49,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:49,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:49,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:49,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:49,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:49,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:02:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:02:49,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:02:49,939 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 6 states. [2018-11-18 13:02:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:50,219 INFO L93 Difference]: Finished difference Result 585 states and 767 transitions. [2018-11-18 13:02:50,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:02:50,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 585 states and 767 transitions. [2018-11-18 13:02:50,229 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 384 [2018-11-18 13:02:50,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 585 states to 545 states and 727 transitions. [2018-11-18 13:02:50,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 545 [2018-11-18 13:02:50,239 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 545 [2018-11-18 13:02:50,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 545 states and 727 transitions. [2018-11-18 13:02:50,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:50,243 INFO L705 BuchiCegarLoop]: Abstraction has 545 states and 727 transitions. [2018-11-18 13:02:50,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states and 727 transitions. [2018-11-18 13:02:50,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 229. [2018-11-18 13:02:50,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-11-18 13:02:50,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 304 transitions. [2018-11-18 13:02:50,280 INFO L728 BuchiCegarLoop]: Abstraction has 229 states and 304 transitions. [2018-11-18 13:02:50,280 INFO L608 BuchiCegarLoop]: Abstraction has 229 states and 304 transitions. [2018-11-18 13:02:50,281 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:02:50,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 229 states and 304 transitions. [2018-11-18 13:02:50,282 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 161 [2018-11-18 13:02:50,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:50,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:50,283 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:50,283 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:50,283 INFO L794 eck$LassoCheckResult]: Stem: 923#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 800#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 801#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 816#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 822#L1006 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 823#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 860#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 861#L529 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 848#L692-3 [2018-11-18 13:02:50,284 INFO L796 eck$LassoCheckResult]: Loop: 848#L692-3 assume true; 838#L692-1 assume !false; 839#L693 assume test_~splverifierCounter~0 < 4; 912#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 913#L702 assume !(0 != test_~tmp~5); 909#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 916#L712 assume !(0 != test_~tmp___0~1); 809#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 874#L722 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 875#L972 assume { :end_inline_startSystem } true; 900#L730-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 831#L874 __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 832#L539 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 910#L763 assume !(0 != ~pumpRunning~0); 891#L763-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 892#L821 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 902#L795-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 930#L787-3 assume { :end_inline_processEnvironment__wrappee__base } true; 928#L795-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 793#L821-1 assume { :end_inline_processEnvironment } true; 863#L770-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 937#L652 __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 938#L550 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 795#L550-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 855#L780 assume { :end_inline_timeShift } true; 848#L692-3 [2018-11-18 13:02:50,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,284 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 13:02:50,284 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:50,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1661344524, now seen corresponding path program 1 times [2018-11-18 13:02:50,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,327 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:50,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:50,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:50,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:02:50,351 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:02:50,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:02:50,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:02:50,352 INFO L87 Difference]: Start difference. First operand 229 states and 304 transitions. cyclomatic complexity: 78 Second operand 3 states. [2018-11-18 13:02:50,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:50,443 INFO L93 Difference]: Finished difference Result 291 states and 370 transitions. [2018-11-18 13:02:50,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:02:50,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 370 transitions. [2018-11-18 13:02:50,447 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 13:02:50,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 291 states and 370 transitions. [2018-11-18 13:02:50,450 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-18 13:02:50,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-18 13:02:50,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 370 transitions. [2018-11-18 13:02:50,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:50,452 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 370 transitions. [2018-11-18 13:02:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 370 transitions. [2018-11-18 13:02:50,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-11-18 13:02:50,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-11-18 13:02:50,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 370 transitions. [2018-11-18 13:02:50,461 INFO L728 BuchiCegarLoop]: Abstraction has 291 states and 370 transitions. [2018-11-18 13:02:50,461 INFO L608 BuchiCegarLoop]: Abstraction has 291 states and 370 transitions. [2018-11-18 13:02:50,461 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:02:50,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 370 transitions. [2018-11-18 13:02:50,463 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 13:02:50,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:50,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:50,464 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:50,464 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, 1, 1, 1] [2018-11-18 13:02:50,464 INFO L794 eck$LassoCheckResult]: Stem: 1453#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1326#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 1327#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1345#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1348#L1006 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 1349#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 1386#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1387#L529 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1437#L692-3 [2018-11-18 13:02:50,465 INFO L796 eck$LassoCheckResult]: Loop: 1437#L692-3 assume true; 1573#L692-1 assume !false; 1572#L693 assume test_~splverifierCounter~0 < 4; 1440#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 1441#L702 assume !(0 != test_~tmp~5); 1438#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 1443#L712 assume !(0 != test_~tmp___0~1); 1335#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 1400#L722 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1401#L972 assume { :end_inline_startSystem } true; 1425#L730-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1357#L874 __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 1358#L539 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1439#L763 assume !(0 != ~pumpRunning~0); 1417#L763-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1418#L821 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1430#L795-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 1463#L660-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~6 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 1310#L665-1 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 1311#L923-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 1380#L923-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 1355#L929-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 1356#L799-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 1405#L787-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1456#L795-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1319#L821-1 assume { :end_inline_processEnvironment } true; 1389#L770-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 1580#L652 __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 1578#L550 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 1575#L550-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1574#L780 assume { :end_inline_timeShift } true; 1437#L692-3 [2018-11-18 13:02:50,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 13:02:50,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:50,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,499 INFO L82 PathProgramCache]: Analyzing trace with hash 2056011778, now seen corresponding path program 1 times [2018-11-18 13:02:50,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,500 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:50,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:50,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:50,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:02:50,526 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:02:50,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:02:50,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:02:50,527 INFO L87 Difference]: Start difference. First operand 291 states and 370 transitions. cyclomatic complexity: 82 Second operand 4 states. [2018-11-18 13:02:50,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:50,632 INFO L93 Difference]: Finished difference Result 833 states and 1046 transitions. [2018-11-18 13:02:50,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:02:50,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 833 states and 1046 transitions. [2018-11-18 13:02:50,638 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 611 [2018-11-18 13:02:50,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 833 states to 833 states and 1046 transitions. [2018-11-18 13:02:50,642 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 833 [2018-11-18 13:02:50,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 833 [2018-11-18 13:02:50,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 833 states and 1046 transitions. [2018-11-18 13:02:50,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:50,644 INFO L705 BuchiCegarLoop]: Abstraction has 833 states and 1046 transitions. [2018-11-18 13:02:50,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states and 1046 transitions. [2018-11-18 13:02:50,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 303. [2018-11-18 13:02:50,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-11-18 13:02:50,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 382 transitions. [2018-11-18 13:02:50,654 INFO L728 BuchiCegarLoop]: Abstraction has 303 states and 382 transitions. [2018-11-18 13:02:50,654 INFO L608 BuchiCegarLoop]: Abstraction has 303 states and 382 transitions. [2018-11-18 13:02:50,654 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 13:02:50,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 382 transitions. [2018-11-18 13:02:50,656 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 217 [2018-11-18 13:02:50,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:50,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:50,657 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:50,657 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, 1, 1, 1] [2018-11-18 13:02:50,657 INFO L794 eck$LassoCheckResult]: Stem: 2596#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 2460#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 2461#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2479#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 2482#L1006 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 2483#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 2525#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2526#L529 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2510#L692-3 [2018-11-18 13:02:50,657 INFO L796 eck$LassoCheckResult]: Loop: 2510#L692-3 assume true; 2504#L692-1 assume !false; 2505#L693 assume test_~splverifierCounter~0 < 4; 2643#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 2743#L702 assume !(0 != test_~tmp~5); 2741#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 2740#L712 assume !(0 != test_~tmp___0~1); 2647#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 2648#L722 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet52;havoc test_#t~nondet52; 2739#L730 assume !(0 != test_~tmp___1~0); 2564#L730-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 2565#L874 __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 2738#L539 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2737#L763 assume !(0 != ~pumpRunning~0); 2557#L763-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 2558#L821 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 2574#L795-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 2606#L660-1 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~6 := 0;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 2627#L665-1 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 2517#L923-3 assume !(0 != isHighWaterLevel_~tmp~8);isHighWaterLevel_~tmp___0~2 := 1; 2518#L923-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 2489#L929-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 2490#L799-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 2544#L787-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2599#L795-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2451#L821-1 assume { :end_inline_processEnvironment } true; 2528#L770-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 2611#L652 __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 2612#L550 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 2638#L550-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2519#L780 assume { :end_inline_timeShift } true; 2510#L692-3 [2018-11-18 13:02:50,658 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,658 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2018-11-18 13:02:50,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:50,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,691 INFO L82 PathProgramCache]: Analyzing trace with hash 672993010, now seen corresponding path program 1 times [2018-11-18 13:02:50,691 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,691 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,692 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:50,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:50,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:50,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:02:50,722 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:02:50,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:02:50,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:02:50,723 INFO L87 Difference]: Start difference. First operand 303 states and 382 transitions. cyclomatic complexity: 82 Second operand 5 states. [2018-11-18 13:02:50,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:50,869 INFO L93 Difference]: Finished difference Result 773 states and 971 transitions. [2018-11-18 13:02:50,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:02:50,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 773 states and 971 transitions. [2018-11-18 13:02:50,874 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 571 [2018-11-18 13:02:50,877 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 773 states to 773 states and 971 transitions. [2018-11-18 13:02:50,878 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 773 [2018-11-18 13:02:50,878 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 773 [2018-11-18 13:02:50,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 773 states and 971 transitions. [2018-11-18 13:02:50,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:50,880 INFO L705 BuchiCegarLoop]: Abstraction has 773 states and 971 transitions. [2018-11-18 13:02:50,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states and 971 transitions. [2018-11-18 13:02:50,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 321. [2018-11-18 13:02:50,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-11-18 13:02:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 400 transitions. [2018-11-18 13:02:50,897 INFO L728 BuchiCegarLoop]: Abstraction has 321 states and 400 transitions. [2018-11-18 13:02:50,897 INFO L608 BuchiCegarLoop]: Abstraction has 321 states and 400 transitions. [2018-11-18 13:02:50,897 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ [2018-11-18 13:02:50,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 321 states and 400 transitions. [2018-11-18 13:02:50,899 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 229 [2018-11-18 13:02:50,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:50,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:50,900 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:50,900 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, 1, 1, 1] [2018-11-18 13:02:50,900 INFO L794 eck$LassoCheckResult]: Stem: 3674#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 3550#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 3551#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3566#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 3572#L1006 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 3573#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 3611#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 3612#L529 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 3658#L692-3 [2018-11-18 13:02:50,900 INFO L796 eck$LassoCheckResult]: Loop: 3658#L692-3 assume true; 3588#L692-1 assume !false; 3589#L693 assume test_~splverifierCounter~0 < 4; 3661#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 3662#L702 assume !(0 != test_~tmp~5); 3659#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 3665#L712 assume !(0 != test_~tmp___0~1); 3559#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 3624#L722 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3625#L972 assume { :end_inline_startSystem } true; 3649#L730-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 3581#L874 __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 3582#L539 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 3660#L763 assume !(0 != ~pumpRunning~0); 3640#L763-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 3641#L821 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 3653#L795-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 3691#L660-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 3711#L665-1 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 3744#L923-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 3743#L923-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 3741#L929-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 3734#L799-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 3682#L787-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3683#L795-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3543#L821-1 assume { :end_inline_processEnvironment } true; 3614#L770-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 3699#L652 __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 3700#L550 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 3545#L550-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 3843#L780 assume { :end_inline_timeShift } true; 3658#L692-3 [2018-11-18 13:02:50,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,901 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2018-11-18 13:02:50,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:50,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:50,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:50,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1227838268, now seen corresponding path program 1 times [2018-11-18 13:02:50,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:50,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:50,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,934 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:50,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:02:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:02:50,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:02:50,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:02:50,962 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:02:50,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:02:50,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:02:50,962 INFO L87 Difference]: Start difference. First operand 321 states and 400 transitions. cyclomatic complexity: 82 Second operand 5 states. [2018-11-18 13:02:51,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:02:51,081 INFO L93 Difference]: Finished difference Result 818 states and 999 transitions. [2018-11-18 13:02:51,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:02:51,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 818 states and 999 transitions. [2018-11-18 13:02:51,086 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 541 [2018-11-18 13:02:51,090 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 818 states to 818 states and 999 transitions. [2018-11-18 13:02:51,090 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 818 [2018-11-18 13:02:51,091 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 818 [2018-11-18 13:02:51,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 818 states and 999 transitions. [2018-11-18 13:02:51,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:02:51,092 INFO L705 BuchiCegarLoop]: Abstraction has 818 states and 999 transitions. [2018-11-18 13:02:51,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states and 999 transitions. [2018-11-18 13:02:51,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 577. [2018-11-18 13:02:51,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-11-18 13:02:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 705 transitions. [2018-11-18 13:02:51,102 INFO L728 BuchiCegarLoop]: Abstraction has 577 states and 705 transitions. [2018-11-18 13:02:51,102 INFO L608 BuchiCegarLoop]: Abstraction has 577 states and 705 transitions. [2018-11-18 13:02:51,102 INFO L442 BuchiCegarLoop]: ======== Iteration 6============ [2018-11-18 13:02:51,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 577 states and 705 transitions. [2018-11-18 13:02:51,104 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 419 [2018-11-18 13:02:51,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:02:51,104 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:02:51,105 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:02:51,105 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, 1, 1, 1, 1, 1] [2018-11-18 13:02:51,105 INFO L794 eck$LassoCheckResult]: Stem: 4837#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(13);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 80];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 117];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 109];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 112];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 79];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 110];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 102];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 32];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 10];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 4705#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 4706#L998 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4724#L991 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 4727#L1006 main_#t~ret35 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 4728#L498 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 4765#L469 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4766#L529 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4816#L692-3 [2018-11-18 13:02:51,105 INFO L796 eck$LassoCheckResult]: Loop: 4816#L692-3 assume true; 5221#L692-1 assume !false; 5220#L693 assume test_~splverifierCounter~0 < 4; 5219#L694 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 5218#L702 assume !(0 != test_~tmp~5); 4823#L702-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 4824#L712 assume !(0 != test_~tmp___0~1); 4714#L712-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 4778#L722 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4779#L972 assume { :end_inline_startSystem } true; 4802#L730-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret36;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 4736#L874 __utac_acc__Specification5_spec__2_#t~ret36 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret36;havoc __utac_acc__Specification5_spec__2_#t~ret36; 4737#L539 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4817#L763 assume !(0 != ~pumpRunning~0); 4795#L763-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 4796#L821 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 4808#L795-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret72, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~8, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~8;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 4849#L660-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 4867#L665-1 isHighWaterLevel_#t~ret72 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8 := isHighWaterLevel_#t~ret72;havoc isHighWaterLevel_#t~ret72; 5067#L923-3 assume 0 != isHighWaterLevel_~tmp~8;isHighWaterLevel_~tmp___0~2 := 0; 5059#L923-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 5053#L929-1 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 5011#L799-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6);assume { :begin_inline_processEnvironment__wrappee__base } true; 4841#L787-2 assume { :end_inline_processEnvironment__wrappee__base } true; 4842#L795-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4698#L821-1 assume { :end_inline_processEnvironment } true; 4768#L770-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret37, __utac_acc__Specification5_spec__3_#t~ret38, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;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; 4855#L652 __utac_acc__Specification5_spec__3_#t~ret37 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret37;havoc __utac_acc__Specification5_spec__3_#t~ret37; 4856#L550 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 4707#L874-1 __utac_acc__Specification5_spec__3_#t~ret38 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret38;havoc __utac_acc__Specification5_spec__3_#t~ret38; 4708#L554 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 4878#L550-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4879#L780 assume { :end_inline_timeShift } true; 4816#L692-3 [2018-11-18 13:02:51,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:51,106 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 6 times [2018-11-18 13:02:51,106 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:51,106 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:51,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:51,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:51,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1144334815, now seen corresponding path program 1 times [2018-11-18 13:02:51,132 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:51,132 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:51,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,133 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:02:51,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:02:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1837217770, now seen corresponding path program 1 times [2018-11-18 13:02:51,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:02:51,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:02:51,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:02:51,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:02:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:02:51,296 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2018-11-18 13:03:23,409 WARN L180 SmtUtils]: Spent 32.05 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 13:03:45,417 WARN L180 SmtUtils]: Spent 22.01 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 13:03:45,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:03:45 BoogieIcfgContainer [2018-11-18 13:03:45,484 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:03:45,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:03:45,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:03:45,484 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:03:45,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:02:49" (3/4) ... [2018-11-18 13:03:45,487 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:03:45,535 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d8eeb65-d0d5-487a-ab92-dad02772399c/bin-2019/uautomizer/witness.graphml [2018-11-18 13:03:45,535 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:03:45,536 INFO L168 Benchmark]: Toolchain (without parser) took 57203.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -181.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:03:45,536 INFO L168 Benchmark]: CDTParser took 0.15 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 13:03:45,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:45,537 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.16 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 13:03:45,537 INFO L168 Benchmark]: Boogie Preprocessor took 32.51 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 13:03:45,537 INFO L168 Benchmark]: RCFGBuilder took 694.09 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:45,537 INFO L168 Benchmark]: BuchiAutomizer took 56030.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 235.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:03:45,537 INFO L168 Benchmark]: Witness Printer took 51.65 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 13:03:45,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.16 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 32.51 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 694.09 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56030.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -105.6 MB). Peak memory consumption was 235.4 MB. Max. memory is 11.5 GB. * Witness Printer took 51.65 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (5 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.5 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 577 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.9s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 54.9s. Construction of modules took 0.4s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1539 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 577 states and ocurred in iteration 5. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1528 SDtfs, 3321 SDslu, 3408 SDs, 0 SdLazy, 339 SolverSat, 116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time LassoAnalysisResults: nont1 unkn0 SFLI4 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: 692]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, ",Pump:"=0, "OK"=0, "OK"=16, "Env(Water:%i"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2513f822=0, "\n"=37, "CRIT"=0, "Off"=0, ",Pump:"=35, ",Meth:"=0, retValue_acc=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3212ad4c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19807a89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bba51f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@716c6c60=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36609e2d=0, tmp___0=0, "On"=0, ") "=0, tmp=0, tmp=1, "Off"=0, tmp___1=0, "__utac__get_this_argtype"=23, "__utac__get_this_arg"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a2321a0=0, "__utac__get_this_arg"=8, "libacc.c"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53e4b598=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, "libacc.c"=20, ",Meth:"=17, tmp=0, \result=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, ") "=39, \result=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, \result=0, "CRIT"=15, "Pump(System:"=0, tmp___0=0, \result=1, "i > 0 && i <= this->argsCount"=14, head=0, pumpRunning=0, "Pump(System:"=33, \result=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=11, tmp=1, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36c38c19=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3850f21a=0, \result=1, ")"=34, "Off"=38, "Off"=31, "libacc.c"=28, "\n"=0, retValue_acc=0, tmp=1, tmp___2=40, "i > 0 && i <= this->argsCount"=22, tmp___0=0, retValue_acc=1, splverifierCounter=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746659b3=0, "On"=29, head=0, "libacc.c"=0, "libacc.c"=12, "i > 0 && i <= this->argsCount"=26, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=19, tmp=0, "libacc.c"=0, "libacc.c"=0, "Env(Water:%i"=18, retValue_acc=0, ")"=0, "On"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 692]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L629] FCALL "Env(Water:%i" [L630] FCALL ",Meth:" [L634] FCALL "CRIT" [L638] FCALL "OK" [L642] FCALL ")" [L883] FCALL "Pump(System:" [L887] FCALL "On" [L891] FCALL "Off" [L895] FCALL ",Pump:" [L899] FCALL "On" [L903] FCALL "Off" [L907] FCALL ") " [L909] FCALL "\n" [L406] int cleanupTimeShifts = 4; [L523] int switchedOnBeforeTS ; [L577] int waterLevel = 1; [L578] int methaneLevelCritical = 0; [L753] int pumpRunning = 0; [L754] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L489] int retValue_acc ; [L490] int tmp ; [L494] FCALL select_helpers() [L495] FCALL select_features() [L496] CALL, EXPR valid_product() [L1002] int retValue_acc ; [L1005] retValue_acc = 1 [L1006] RET return (retValue_acc); [L496] EXPR valid_product() [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L500] FCALL setup() [L501] CALL runTest() [L479] CALL __utac_acc__Specification5_spec__1() [L528] RET switchedOnBeforeTS = 0 [L479] __utac_acc__Specification5_spec__1() [L480] CALL test() [L683] int splverifierCounter ; [L684] int tmp ; [L685] int tmp___0 ; [L686] int tmp___1 ; [L687] int tmp___2 ; [L690] splverifierCounter = 0 Loop: [L692] COND TRUE 1 [L694] COND TRUE splverifierCounter < 4 [L700] tmp = __VERIFIER_nondet_int() [L702] COND FALSE !(\read(tmp)) [L710] tmp___0 = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp___0)) [L720] tmp___2 = __VERIFIER_nondet_int() [L722] COND TRUE \read(tmp___2) [L724] CALL startSystem() [L971] RET systemActive = 1 [L724] startSystem() [L739] CALL timeShift() [L761] CALL __utac_acc__Specification5_spec__2() [L537] CALL, EXPR isPumpRunning() [L870] int retValue_acc ; [L873] retValue_acc = pumpRunning [L874] RET return (retValue_acc); [L537] EXPR isPumpRunning() [L537] RET switchedOnBeforeTS = isPumpRunning() [L761] __utac_acc__Specification5_spec__2() [L763] COND FALSE !(\read(pumpRunning)) [L770] COND TRUE \read(systemActive) [L772] CALL processEnvironment() [L818] int tmp ; [L821] COND FALSE !(\read(pumpRunning)) [L836] CALL processEnvironment__wrappee__highWaterSensor() [L792] int tmp ; [L795] COND TRUE ! pumpRunning [L797] CALL, EXPR isHighWaterLevel() [L915] int retValue_acc ; [L916] int tmp ; [L917] int tmp___0 ; [L921] CALL, EXPR isHighWaterSensorDry() [L657] int retValue_acc ; [L660] COND TRUE waterLevel < 2 [L661] retValue_acc = 1 [L662] RET return (retValue_acc); [L921] EXPR isHighWaterSensorDry() [L921] tmp = isHighWaterSensorDry() [L923] COND TRUE \read(tmp) [L924] tmp___0 = 0 [L928] retValue_acc = tmp___0 [L929] RET return (retValue_acc); [L797] EXPR isHighWaterLevel() [L797] tmp = isHighWaterLevel() [L799] COND FALSE !(\read(tmp)) [L805] RET, FCALL processEnvironment__wrappee__base() [L836] RET processEnvironment__wrappee__highWaterSensor() [L772] processEnvironment() [L778] CALL __utac_acc__Specification5_spec__3() [L543] int tmp ; [L544] int tmp___0 ; [L548] CALL, EXPR getWaterLevel() [L648] int retValue_acc ; [L651] retValue_acc = waterLevel [L652] RET return (retValue_acc); [L548] EXPR getWaterLevel() [L548] tmp = getWaterLevel() [L550] COND TRUE tmp != 2 [L552] CALL, EXPR isPumpRunning() [L870] int retValue_acc ; [L873] retValue_acc = pumpRunning [L874] RET return (retValue_acc); [L552] EXPR isPumpRunning() [L552] tmp___0 = isPumpRunning() [L554] COND FALSE, RET !(\read(tmp___0)) [L778] RET __utac_acc__Specification5_spec__3() [L739] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...