./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product11_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_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/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 cf347ee6b7145f66d1d9f7a0b777d2801d91233d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:49:09,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:49:09,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:49:09,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:49:09,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:49:09,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:49:09,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:49:09,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:49:09,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:49:09,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:49:09,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:49:09,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:49:09,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:49:09,647 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:49:09,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:49:09,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:49:09,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:49:09,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:49:09,651 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:49:09,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:49:09,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:49:09,654 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:49:09,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:49:09,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:49:09,656 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:49:09,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:49:09,657 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:49:09,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:49:09,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:49:09,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:49:09,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:49:09,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:49:09,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:49:09,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:49:09,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:49:09,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:49:09,661 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:49:09,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:49:09,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:49:09,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:49:09,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:49:09,672 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:49:09,673 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:49:09,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:49:09,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:49:09,674 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:49:09,675 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:49:09,675 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:49:09,676 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:49:09,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:49:09,676 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:49:09,676 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:49:09,677 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:49:09,677 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_ab52f7c8-3bb1-493c-8b09-a510b45c807b/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 -> cf347ee6b7145f66d1d9f7a0b777d2801d91233d [2018-11-18 15:49:09,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:49:09,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:49:09,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:49:09,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:49:09,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:49:09,711 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:09,744 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/data/8f9f2e290/9ce5c16afcf54b968c061fa76f702914/FLAGc4d25e188 [2018-11-18 15:49:10,182 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:49:10,183 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/sv-benchmarks/c/product-lines/minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:10,193 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/data/8f9f2e290/9ce5c16afcf54b968c061fa76f702914/FLAGc4d25e188 [2018-11-18 15:49:10,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/data/8f9f2e290/9ce5c16afcf54b968c061fa76f702914 [2018-11-18 15:49:10,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:49:10,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:49:10,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:10,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:49:10,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:49:10,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10, skipping insertion in model container [2018-11-18 15:49:10,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:49:10,244 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:49:10,428 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:10,437 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:49:10,543 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:49:10,567 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:49:10,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10 WrapperNode [2018-11-18 15:49:10,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:49:10,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:10,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:49:10,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:49:10,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:49:10,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:49:10,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:49:10,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:49:10,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... [2018-11-18 15:49:10,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:49:10,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:49:10,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:49:10,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:49:10,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 15:49:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:49:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:49:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:49:11,154 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:49:11,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:11 BoogieIcfgContainer [2018-11-18 15:49:11,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:49:11,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:49:11,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:49:11,158 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:49:11,158 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:11,159 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:49:10" (1/3) ... [2018-11-18 15:49:11,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@322f9c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:49:11, skipping insertion in model container [2018-11-18 15:49:11,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:11,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:49:10" (2/3) ... [2018-11-18 15:49:11,160 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@322f9c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:49:11, skipping insertion in model container [2018-11-18 15:49:11,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:49:11,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:11" (3/3) ... [2018-11-18 15:49:11,162 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product11_true-unreach-call_false-termination.cil.c [2018-11-18 15:49:11,198 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:49:11,198 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:49:11,198 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:49:11,199 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:49:11,199 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:49:11,199 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:49:11,199 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:49:11,199 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:49:11,199 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:49:11,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states. [2018-11-18 15:49:11,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 15:49:11,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:11,233 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:11,239 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,239 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,239 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:49:11,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 91 states. [2018-11-18 15:49:11,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 58 [2018-11-18 15:49:11,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:11,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:11,244 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,244 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,248 INFO L794 eck$LassoCheckResult]: Stem: 37#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 48#L261true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 55#L254true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 91#L269true main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 86#L225true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 92#L196true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 83#L862true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 49#L433-3true [2018-11-18 15:49:11,248 INFO L796 eck$LassoCheckResult]: Loop: 49#L433-3true assume true; 74#L433-1true assume !false; 87#L434true assume test_~splverifierCounter~0 < 4; 10#L435true test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 42#L443true assume !(0 != test_~tmp~2); 24#L443-2true test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 21#L453true assume !(0 != test_~tmp___0~0); 4#L453-2true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 93#L463true assume 0 != test_~tmp___2~0; 38#L469-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 76#L367true __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 64#L872true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 70#L290true assume !(0 != ~pumpRunning~0); 61#L290-2true assume !(0 != ~systemActive~0); 34#L297-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 45#L121true __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 62#L883true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 66#L883-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 11#L307true assume { :end_inline_timeShift } true; 49#L433-3true [2018-11-18 15:49:11,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:49:11,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,418 INFO L82 PathProgramCache]: Analyzing trace with hash -900622211, now seen corresponding path program 1 times [2018-11-18 15:49:11,418 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,431 INFO L82 PathProgramCache]: Analyzing trace with hash 529126132, now seen corresponding path program 1 times [2018-11-18 15:49:11,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:11,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:11,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:49:11,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:49:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:49:11,647 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 6 states. [2018-11-18 15:49:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:11,812 INFO L93 Difference]: Finished difference Result 243 states and 306 transitions. [2018-11-18 15:49:11,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:49:11,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 243 states and 306 transitions. [2018-11-18 15:49:11,823 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 155 [2018-11-18 15:49:11,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 243 states to 213 states and 276 transitions. [2018-11-18 15:49:11,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 213 [2018-11-18 15:49:11,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 213 [2018-11-18 15:49:11,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 213 states and 276 transitions. [2018-11-18 15:49:11,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:49:11,833 INFO L705 BuchiCegarLoop]: Abstraction has 213 states and 276 transitions. [2018-11-18 15:49:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states and 276 transitions. [2018-11-18 15:49:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 141. [2018-11-18 15:49:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 15:49:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 183 transitions. [2018-11-18 15:49:11,868 INFO L728 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2018-11-18 15:49:11,869 INFO L608 BuchiCegarLoop]: Abstraction has 141 states and 183 transitions. [2018-11-18 15:49:11,869 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:49:11,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 183 transitions. [2018-11-18 15:49:11,871 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 102 [2018-11-18 15:49:11,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:11,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:11,872 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:11,872 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 15:49:11,872 INFO L794 eck$LassoCheckResult]: Stem: 390#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 362#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 363#L261 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 402#L254 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 413#L269 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 429#L225 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 430#L196 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 428#L862 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 368#L433-3 [2018-11-18 15:49:11,872 INFO L796 eck$LassoCheckResult]: Loop: 368#L433-3 assume true; 403#L433-1 assume !false; 425#L434 assume test_~splverifierCounter~0 < 4; 365#L435 test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 366#L443 assume !(0 != test_~tmp~2); 378#L443-2 test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 373#L453 assume !(0 != test_~tmp___0~0); 354#L453-2 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 355#L463 assume 0 != test_~tmp___2~0; 391#L469-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 392#L367 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 422#L872 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 423#L290 assume !(0 != ~pumpRunning~0); 386#L290-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 374#L314 assume { :end_inline_processEnvironment } true; 375#L297-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 388#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 400#L883 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 357#L883-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 367#L307 assume { :end_inline_timeShift } true; 368#L433-3 [2018-11-18 15:49:11,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,873 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:49:11,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1521583834, now seen corresponding path program 1 times [2018-11-18 15:49:11,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,922 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:49:11,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:11,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:11,930 INFO L82 PathProgramCache]: Analyzing trace with hash -149058161, now seen corresponding path program 1 times [2018-11-18 15:49:11,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:11,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:11,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:11,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:11,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:49:11,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:49:12,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:49:12,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:49:12,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:49:12,070 INFO L87 Difference]: Start difference. First operand 141 states and 183 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 15:49:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:12,167 INFO L93 Difference]: Finished difference Result 357 states and 454 transitions. [2018-11-18 15:49:12,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:49:12,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 454 transitions. [2018-11-18 15:49:12,171 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 192 [2018-11-18 15:49:12,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 454 transitions. [2018-11-18 15:49:12,175 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2018-11-18 15:49:12,175 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2018-11-18 15:49:12,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 454 transitions. [2018-11-18 15:49:12,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:49:12,178 INFO L705 BuchiCegarLoop]: Abstraction has 357 states and 454 transitions. [2018-11-18 15:49:12,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 454 transitions. [2018-11-18 15:49:12,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 266. [2018-11-18 15:49:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-11-18 15:49:12,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 336 transitions. [2018-11-18 15:49:12,193 INFO L728 BuchiCegarLoop]: Abstraction has 266 states and 336 transitions. [2018-11-18 15:49:12,193 INFO L608 BuchiCegarLoop]: Abstraction has 266 states and 336 transitions. [2018-11-18 15:49:12,194 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 15:49:12,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 266 states and 336 transitions. [2018-11-18 15:49:12,196 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 192 [2018-11-18 15:49:12,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:49:12,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:49:12,197 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:12,197 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:49:12,197 INFO L794 eck$LassoCheckResult]: Stem: 914#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(13);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 44];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 80];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 117];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 109];#memory_int := #memory_int[#t~string21.base,4 + #t~string21.offset := 112];#memory_int := #memory_int[#t~string21.base,5 + #t~string21.offset := 58];#memory_int := #memory_int[#t~string21.base,6 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 41];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 32];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 10];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 0];call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 876#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 877#L261 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 935#L254 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 945#L269 main_#t~ret10 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 979#L225 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 980#L196 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 976#L862 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 977#L433-3 [2018-11-18 15:49:12,198 INFO L796 eck$LassoCheckResult]: Loop: 977#L433-3 assume true; 1031#L433-1 assume !false; 1018#L434 assume test_~splverifierCounter~0 < 4; 1019#L435 test_~tmp~2 := test_#t~nondet30;havoc test_#t~nondet30; 1053#L443 assume !(0 != test_~tmp~2); 1051#L443-2 test_~tmp___0~0 := test_#t~nondet31;havoc test_#t~nondet31; 1048#L453 assume !(0 != test_~tmp___0~0); 1045#L453-2 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 1044#L463 assume 0 != test_~tmp___2~0; 1043#L469-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret69;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 1054#L367 __utac_acc__Specification5_spec__2_#t~ret69 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret69;havoc __utac_acc__Specification5_spec__2_#t~ret69; 1052#L872 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1050#L290 assume !(0 != ~pumpRunning~0); 1046#L290-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1007#L314 assume { :end_inline_processEnvironment } true; 1041#L297-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret70, __utac_acc__Specification5_spec__3_#t~ret71, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1040#L121 __utac_acc__Specification5_spec__3_#t~ret70 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret70;havoc __utac_acc__Specification5_spec__3_#t~ret70; 1039#L883 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 1038#L367-1 __utac_acc__Specification5_spec__3_#t~ret71 := isPumpRunning_#res;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret71;havoc __utac_acc__Specification5_spec__3_#t~ret71; 1037#L887 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 1035#L883-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1034#L307 assume { :end_inline_timeShift } true; 977#L433-3 [2018-11-18 15:49:12,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:12,203 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 15:49:12,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:12,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:12,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:12,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:12,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:12,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1972283039, now seen corresponding path program 1 times [2018-11-18 15:49:12,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:12,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:12,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,243 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:49:12,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:12,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:12,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1530071158, now seen corresponding path program 1 times [2018-11-18 15:49:12,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:49:12,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:49:12,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:12,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:49:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:49:39,815 WARN L180 SmtUtils]: Spent 27.39 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:50:01,741 WARN L180 SmtUtils]: Spent 21.92 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:50:01,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:50:01 BoogieIcfgContainer [2018-11-18 15:50:01,803 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:50:01,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:50:01,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:50:01,803 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:50:01,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:49:11" (3/4) ... [2018-11-18 15:50:01,807 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:50:01,851 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ab52f7c8-3bb1-493c-8b09-a510b45c807b/bin-2019/uautomizer/witness.graphml [2018-11-18 15:50:01,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:50:01,852 INFO L168 Benchmark]: Toolchain (without parser) took 51646.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 950.0 MB in the beginning and 828.1 MB in the end (delta: 121.9 MB). Peak memory consumption was 348.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:01,853 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:01,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:01,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:01,854 INFO L168 Benchmark]: Boogie Preprocessor took 25.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:01,854 INFO L168 Benchmark]: RCFGBuilder took 516.00 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:01,854 INFO L168 Benchmark]: BuchiAutomizer took 50647.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 265.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:50:01,855 INFO L168 Benchmark]: Witness Printer took 48.34 ms. Allocated memory is still 1.3 GB. Free memory is still 828.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:50:01,856 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 950.0 MB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 516.00 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50647.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 828.1 MB in the end (delta: 265.1 MB). Peak memory consumption was 328.6 MB. Max. memory is 11.5 GB. * Witness Printer took 48.34 ms. Allocated memory is still 1.3 GB. Free memory is still 828.1 MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 266 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 50.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 163 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 266 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 242 SDtfs, 671 SDslu, 954 SDs, 0 SdLazy, 107 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 433]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {"Pump(System:"=28, NULL=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=38, "Env(Water:%i"=15, "__utac__get_this_argtype"=0, retValue_acc=0, "OK"=8, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=34, "i > 0 && i <= this->argsCount"=35, "libacc.c"=37, methaneLevelCritical=0, tmp=1, tmp=0, "libacc.c"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40031b38=0, tmp___1=0, "\n"=19, "On"=23, cleanupTimeShifts=4, switchedOnBeforeTS=0, "Off"=22, \result=0, "libacc.c"=16, "On"=27, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14f2e886=0, "Off"=0, "On"=0, ",Pump:"=0, ") "=0, "\n"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "libacc.c"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2025cead=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71558dc5=0, tmp=1, "__utac__get_this_arg"=29, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ea0310a=0, tmp___0=0, "i > 0 && i <= this->argsCount"=18, ",Pump:"=24, "Off"=0, "__utac__get_this_argtype"=39, "Pump(System:"=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37499ba2=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7af50896=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6afb5ab0=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=33, "CRIT"=12, tmp___2=171, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, ")"=11, head=0, "Off"=26, ") "=20, ",Meth:"=14, "libacc.c"=36, "__utac__get_this_arg"=17, retValue_acc=0, "libacc.c"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 433]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L376] FCALL "Pump(System:" [L380] FCALL "On" [L384] FCALL "Off" [L388] FCALL ",Pump:" [L392] FCALL "On" [L396] FCALL "Off" [L400] FCALL ") " [L402] FCALL "\n" [L787] FCALL "i > 0 && i <= this->argsCount" [L787] FCALL "libacc.c" [L788] FCALL "__utac__get_this_arg" [L794] FCALL "i > 0 && i <= this->argsCount" [L794] FCALL "libacc.c" [L795] FCALL "__utac__get_this_arg" [L833] FCALL "i > 0 && i <= this->argsCount" [L833] FCALL "libacc.c" [L834] FCALL "__utac__get_this_argtype" [L840] FCALL "i > 0 && i <= this->argsCount" [L840] FCALL "libacc.c" [L841] FCALL "__utac__get_this_argtype" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L135] int cleanupTimeShifts = 4; [L278] int pumpRunning = 0; [L279] int systemActive = 1; [L856] int switchedOnBeforeTS ; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L216] int retValue_acc ; [L217] int tmp ; [L221] FCALL select_helpers() [L222] FCALL select_features() [L223] CALL, EXPR valid_product() [L265] int retValue_acc ; [L268] retValue_acc = 1 [L269] RET return (retValue_acc); [L223] EXPR valid_product() [L223] tmp = valid_product() [L225] COND TRUE \read(tmp) [L227] FCALL setup() [L228] CALL runTest() [L206] CALL __utac_acc__Specification5_spec__1() [L861] RET switchedOnBeforeTS = 0 [L206] __utac_acc__Specification5_spec__1() [L207] CALL test() [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 Loop: [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND TRUE \read(tmp___2) [L478] CALL timeShift() [L288] CALL __utac_acc__Specification5_spec__2() [L870] CALL, EXPR isPumpRunning() [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] RET return (retValue_acc); [L870] EXPR isPumpRunning() [L870] RET switchedOnBeforeTS = isPumpRunning() [L288] __utac_acc__Specification5_spec__2() [L290] COND FALSE !(\read(pumpRunning)) [L297] COND TRUE \read(systemActive) [L299] FCALL processEnvironment() [L305] CALL __utac_acc__Specification5_spec__3() [L876] int tmp ; [L877] int tmp___0 ; [L881] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L881] EXPR getWaterLevel() [L881] tmp = getWaterLevel() [L883] COND TRUE tmp != 2 [L885] CALL, EXPR isPumpRunning() [L363] int retValue_acc ; [L366] retValue_acc = pumpRunning [L367] RET return (retValue_acc); [L885] EXPR isPumpRunning() [L885] tmp___0 = isPumpRunning() [L887] COND FALSE, RET !(\read(tmp___0)) [L305] RET __utac_acc__Specification5_spec__3() [L478] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...