./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product43_false-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_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/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 437b76c0cd9dd6f0417f690a0c81e41159d0829e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:31:20,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:31:20,731 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:31:20,739 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:31:20,739 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:31:20,740 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:31:20,741 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:31:20,742 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:31:20,743 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:31:20,744 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:31:20,744 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:31:20,744 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:31:20,745 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:31:20,746 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:31:20,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:31:20,747 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:31:20,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:31:20,749 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:31:20,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:31:20,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:31:20,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:31:20,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:31:20,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:31:20,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:31:20,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:31:20,756 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:31:20,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:31:20,757 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:31:20,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:31:20,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:31:20,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:31:20,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:31:20,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:31:20,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:31:20,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:31:20,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:31:20,760 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:31:20,772 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:31:20,772 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:31:20,773 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:31:20,773 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:31:20,773 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:31:20,773 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:31:20,773 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:31:20,773 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:31:20,774 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:31:20,774 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:31:20,775 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:31:20,776 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:31:20,776 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:31:20,776 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:31:20,776 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:31:20,776 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:31:20,776 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:31:20,777 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:31:20,777 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_5df9723e-9a9d-42e2-9b1b-1f3c69201047/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 -> 437b76c0cd9dd6f0417f690a0c81e41159d0829e [2018-11-18 09:31:20,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:31:20,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:31:20,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:31:20,811 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:31:20,811 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:31:20,811 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-18 09:31:20,848 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/data/075a6e249/c8cb58dee6994420add9c619482ddb02/FLAGbd4c6877b [2018-11-18 09:31:21,213 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:31:21,213 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/sv-benchmarks/c/product-lines/minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-18 09:31:21,223 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/data/075a6e249/c8cb58dee6994420add9c619482ddb02/FLAGbd4c6877b [2018-11-18 09:31:21,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/data/075a6e249/c8cb58dee6994420add9c619482ddb02 [2018-11-18 09:31:21,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:31:21,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:31:21,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:31:21,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:31:21,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:31:21,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,246 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 09:31:21, skipping insertion in model container [2018-11-18 09:31:21,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:31:21,288 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:31:21,499 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:31:21,508 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:31:21,616 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:31:21,633 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:31:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21 WrapperNode [2018-11-18 09:31:21,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:31:21,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:31:21,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:31:21,634 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:31:21,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:31:21,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:31:21,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:31:21,678 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:31:21,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... [2018-11-18 09:31:21,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:31:21,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:31:21,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:31:21,709 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:31:21,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/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 09:31:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:31:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:31:21,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:31:22,248 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:31:22,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:22 BoogieIcfgContainer [2018-11-18 09:31:22,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:31:22,249 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:31:22,249 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:31:22,251 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:31:22,255 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:31:22,256 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:31:21" (1/3) ... [2018-11-18 09:31:22,256 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf4a179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:31:22, skipping insertion in model container [2018-11-18 09:31:22,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:31:22,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:21" (2/3) ... [2018-11-18 09:31:22,257 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf4a179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:31:22, skipping insertion in model container [2018-11-18 09:31:22,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:31:22,257 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:22" (3/3) ... [2018-11-18 09:31:22,259 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product43_false-unreach-call_false-termination.cil.c [2018-11-18 09:31:22,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:31:22,296 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:31:22,297 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:31:22,297 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:31:22,297 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:31:22,297 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:31:22,297 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:31:22,297 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:31:22,297 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:31:22,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states. [2018-11-18 09:31:22,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2018-11-18 09:31:22,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:31:22,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:31:22,329 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:22,329 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:22,330 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:31:22,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states. [2018-11-18 09:31:22,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2018-11-18 09:31:22,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:31:22,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:31:22,335 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:22,335 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:22,339 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~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~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 89#L531true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L524true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 105#L539true main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 45#L400true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 99#L374true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 59#L55-3true [2018-11-18 09:31:22,339 INFO L796 eck$LassoCheckResult]: Loop: 59#L55-3true assume true; 90#L55-1true assume !false; 44#L56true assume test_~splverifierCounter~0 < 4; 125#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 18#L65true assume !(0 != test_~tmp~0); 13#L65-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 52#L75true assume !(0 != test_~tmp___0~0); 40#L75-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 103#L85true assume 0 != test_~tmp___2~0; 70#L91-2true assume { :begin_inline_timeShift } true; 34#L128true assume !(0 != ~pumpRunning~0); 11#L128-2true assume !(0 != ~systemActive~0); 58#L135-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 85#L490true __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 30#L918true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 32#L918-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 109#L145true assume { :end_inline_timeShift } true; 59#L55-3true [2018-11-18 09:31:22,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:22,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:31:22,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:22,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:22,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:22,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:22,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1530264179, now seen corresponding path program 1 times [2018-11-18 09:31:22,491 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:22,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:22,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:22,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:22,503 INFO L82 PathProgramCache]: Analyzing trace with hash 598582575, now seen corresponding path program 1 times [2018-11-18 09:31:22,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:22,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:22,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:22,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:22,617 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 09:31:22,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:22,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:31:22,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:31:22,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:31:22,686 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 6 states. [2018-11-18 09:31:22,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:22,833 INFO L93 Difference]: Finished difference Result 299 states and 383 transitions. [2018-11-18 09:31:22,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:31:22,836 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 299 states and 383 transitions. [2018-11-18 09:31:22,841 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 193 [2018-11-18 09:31:22,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 299 states to 269 states and 353 transitions. [2018-11-18 09:31:22,847 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 269 [2018-11-18 09:31:22,848 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 269 [2018-11-18 09:31:22,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 269 states and 353 transitions. [2018-11-18 09:31:22,849 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:31:22,850 INFO L705 BuchiCegarLoop]: Abstraction has 269 states and 353 transitions. [2018-11-18 09:31:22,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states and 353 transitions. [2018-11-18 09:31:22,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 164. [2018-11-18 09:31:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-18 09:31:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2018-11-18 09:31:22,877 INFO L728 BuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2018-11-18 09:31:22,877 INFO L608 BuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2018-11-18 09:31:22,877 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:31:22,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2018-11-18 09:31:22,879 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 118 [2018-11-18 09:31:22,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:31:22,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:31:22,880 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:22,880 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 09:31:22,881 INFO L794 eck$LassoCheckResult]: Stem: 537#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 453#L531 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 494#L524 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 495#L539 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 505#L400 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 506#L374 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 519#L55-3 [2018-11-18 09:31:22,881 INFO L796 eck$LassoCheckResult]: Loop: 519#L55-3 assume true; 520#L55-1 assume !false; 503#L56 assume test_~splverifierCounter~0 < 4; 504#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 465#L65 assume !(0 != test_~tmp~0); 454#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 455#L75 assume !(0 != test_~tmp___0~0); 498#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 499#L85 assume 0 != test_~tmp___2~0; 515#L91-2 assume { :begin_inline_timeShift } true; 489#L128 assume !(0 != ~pumpRunning~0); 450#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 451#L160 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 513#L152-1 assume { :end_inline_processEnvironment__wrappee__base } true; 477#L160-1 assume { :end_inline_processEnvironment } true; 517#L135-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 518#L490 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 484#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 485#L918-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 487#L145 assume { :end_inline_timeShift } true; 519#L55-3 [2018-11-18 09:31:22,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:22,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:31:22,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:22,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:22,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:22,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:22,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1381575328, now seen corresponding path program 1 times [2018-11-18 09:31:22,924 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:22,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:22,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,925 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:31:22,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:22,944 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 09:31:22,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:22,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:31:22,944 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:31:22,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:31:22,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:31:22,945 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 09:31:23,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:23,015 INFO L93 Difference]: Finished difference Result 216 states and 271 transitions. [2018-11-18 09:31:23,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:31:23,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 216 states and 271 transitions. [2018-11-18 09:31:23,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2018-11-18 09:31:23,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 216 states to 216 states and 271 transitions. [2018-11-18 09:31:23,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 216 [2018-11-18 09:31:23,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 216 [2018-11-18 09:31:23,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 216 states and 271 transitions. [2018-11-18 09:31:23,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:31:23,022 INFO L705 BuchiCegarLoop]: Abstraction has 216 states and 271 transitions. [2018-11-18 09:31:23,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states and 271 transitions. [2018-11-18 09:31:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-11-18 09:31:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-18 09:31:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 271 transitions. [2018-11-18 09:31:23,030 INFO L728 BuchiCegarLoop]: Abstraction has 216 states and 271 transitions. [2018-11-18 09:31:23,030 INFO L608 BuchiCegarLoop]: Abstraction has 216 states and 271 transitions. [2018-11-18 09:31:23,030 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:31:23,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 216 states and 271 transitions. [2018-11-18 09:31:23,031 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2018-11-18 09:31:23,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:31:23,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:31:23,032 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:23,032 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] [2018-11-18 09:31:23,032 INFO L794 eck$LassoCheckResult]: Stem: 937#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(13);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 79];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 110];#memory_int := #memory_int[#t~string10.base,2 + #t~string10.offset := 0];call #t~string12.base, #t~string12.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string12.base,#t~string12.offset := 79];#memory_int := #memory_int[#t~string12.base,1 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,2 + #t~string12.offset := 102];#memory_int := #memory_int[#t~string12.base,3 + #t~string12.offset := 0];call #t~string14.base, #t~string14.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string14.base,#t~string14.offset := 44];#memory_int := #memory_int[#t~string14.base,1 + #t~string14.offset := 80];#memory_int := #memory_int[#t~string14.base,2 + #t~string14.offset := 117];#memory_int := #memory_int[#t~string14.base,3 + #t~string14.offset := 109];#memory_int := #memory_int[#t~string14.base,4 + #t~string14.offset := 112];#memory_int := #memory_int[#t~string14.base,5 + #t~string14.offset := 58];#memory_int := #memory_int[#t~string14.base,6 + #t~string14.offset := 0];call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string16.base,#t~string16.offset := 79];#memory_int := #memory_int[#t~string16.base,1 + #t~string16.offset := 110];#memory_int := #memory_int[#t~string16.base,2 + #t~string16.offset := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string18.base,#t~string18.offset := 79];#memory_int := #memory_int[#t~string18.base,1 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,2 + #t~string18.offset := 102];#memory_int := #memory_int[#t~string18.base,3 + #t~string18.offset := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string20.base,#t~string20.offset := 41];#memory_int := #memory_int[#t~string20.base,1 + #t~string20.offset := 32];#memory_int := #memory_int[#t~string20.base,2 + #t~string20.offset := 0];call #t~string22.base, #t~string22.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string22.base,#t~string22.offset := 10];#memory_int := #memory_int[#t~string22.base,1 + #t~string22.offset := 0];call #t~string26.base, #t~string26.offset := #Ultimate.alloc(13);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string28.base,#t~string28.offset := 44];#memory_int := #memory_int[#t~string28.base,1 + #t~string28.offset := 77];#memory_int := #memory_int[#t~string28.base,2 + #t~string28.offset := 101];#memory_int := #memory_int[#t~string28.base,3 + #t~string28.offset := 116];#memory_int := #memory_int[#t~string28.base,4 + #t~string28.offset := 104];#memory_int := #memory_int[#t~string28.base,5 + #t~string28.offset := 58];#memory_int := #memory_int[#t~string28.base,6 + #t~string28.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string30.base,#t~string30.offset := 67];#memory_int := #memory_int[#t~string30.base,1 + #t~string30.offset := 82];#memory_int := #memory_int[#t~string30.base,2 + #t~string30.offset := 73];#memory_int := #memory_int[#t~string30.base,3 + #t~string30.offset := 84];#memory_int := #memory_int[#t~string30.base,4 + #t~string30.offset := 0];call #t~string32.base, #t~string32.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string32.base,#t~string32.offset := 79];#memory_int := #memory_int[#t~string32.base,1 + #t~string32.offset := 75];#memory_int := #memory_int[#t~string32.base,2 + #t~string32.offset := 0];call #t~string34.base, #t~string34.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string34.base,#t~string34.offset := 41];#memory_int := #memory_int[#t~string34.base,1 + #t~string34.offset := 0];call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(30);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(9);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(21);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(30);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(9);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret24, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 839#L531 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 883#L524 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 884#L539 main_#t~ret24 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret24;havoc main_#t~ret24; 895#L400 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 896#L374 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 911#L55-3 [2018-11-18 09:31:23,032 INFO L796 eck$LassoCheckResult]: Loop: 911#L55-3 assume true; 912#L55-1 assume !false; 893#L56 assume test_~splverifierCounter~0 < 4; 894#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 852#L65 assume !(0 != test_~tmp~0); 840#L65-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 841#L75 assume !(0 != test_~tmp___0~0); 887#L75-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 888#L85 assume 0 != test_~tmp___2~0; 907#L91-2 assume { :begin_inline_timeShift } true; 879#L128 assume !(0 != ~pumpRunning~0); 836#L128-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 837#L160 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret23, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~6;havoc isHighWaterSensorDry_~retValue_acc~6; 917#L498 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 938#L503 isHighWaterLevel_#t~ret23 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret23;havoc isHighWaterLevel_#t~ret23; 948#L280 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~1 := 0; 952#L280-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 933#L286 processEnvironment_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~1 := processEnvironment_#t~ret4;havoc processEnvironment_#t~ret4; 867#L164 assume !(0 != processEnvironment_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 869#L152 assume { :end_inline_processEnvironment__wrappee__base } true; 865#L160-1 assume { :end_inline_processEnvironment } true; 909#L135-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;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; 910#L490 __utac_acc__Specification4_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret71;havoc __utac_acc__Specification4_spec__1_#t~ret71; 874#L918 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 875#L918-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 877#L145 assume { :end_inline_timeShift } true; 911#L55-3 [2018-11-18 09:31:23,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:23,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 09:31:23,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:23,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:23,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:23,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:23,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:23,066 INFO L82 PathProgramCache]: Analyzing trace with hash -648106264, now seen corresponding path program 1 times [2018-11-18 09:31:23,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:23,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:23,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,067 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:31:23,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:23,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:23,077 INFO L82 PathProgramCache]: Analyzing trace with hash -774547540, now seen corresponding path program 1 times [2018-11-18 09:31:23,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:23,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:23,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:23,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:56,462 WARN L180 SmtUtils]: Spent 33.23 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:32:19,400 WARN L180 SmtUtils]: Spent 22.94 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:32:19,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:32:19 BoogieIcfgContainer [2018-11-18 09:32:19,470 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:32:19,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:32:19,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:32:19,471 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:32:19,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:22" (3/4) ... [2018-11-18 09:32:19,473 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:32:19,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5df9723e-9a9d-42e2-9b1b-1f3c69201047/bin-2019/uautomizer/witness.graphml [2018-11-18 09:32:19,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:32:19,513 INFO L168 Benchmark]: Toolchain (without parser) took 58275.49 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 308.8 MB). Free memory was 955.4 MB in the beginning and 1.3 GB in the end (delta: -323.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:32:19,514 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:32:19,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -206.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:19,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:19,516 INFO L168 Benchmark]: Boogie Preprocessor took 31.19 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 09:32:19,516 INFO L168 Benchmark]: RCFGBuilder took 539.51 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: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:19,516 INFO L168 Benchmark]: BuchiAutomizer took 57221.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -190.9 MB). Peak memory consumption was 326.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:32:19,516 INFO L168 Benchmark]: Witness Printer took 42.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:32:19,518 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 955.4 MB in the beginning and 1.2 GB in the end (delta: -206.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.19 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. * RCFGBuilder took 539.51 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: 71.1 MB). Peak memory consumption was 71.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 57221.59 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 133.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -190.9 MB). Peak memory consumption was 326.7 MB. Max. memory is 11.5 GB. * Witness Printer took 42.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 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 216 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 56.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 216 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 294 SDtfs, 686 SDslu, 821 SDs, 0 SdLazy, 64 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 55]: 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, "libacc.c"=0, "On"=33, "libacc.c"=16, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f434cc2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2212d5df=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@677932e=168, "i > 0 && i <= this->argsCount"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16eba1b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b6f839c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cecb65a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a1ea40e=0, "libacc.c"=38, "__utac__get_this_arg"=15, methaneLevelCritical=0, "Pump(System:"=34, tmp___0=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=8, "libacc.c"=0, tmp___1=0, "Pump(System:"=0, ") "=26, ",Meth:"=22, cleanupTimeShifts=4, tmp=0, ")"=18, ",Pump:"=29, tmp___0=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "OK"=0, "CRIT"=0, ",Pump:"=0, "libacc.c"=11, "Off"=0, "Off"=31, \result=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52a79dfe=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "libacc.c"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=0, \result=1, "Off"=27, head=0, pumpRunning=0, "i > 0 && i <= this->argsCount"=14, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a731a00=0, tmp=1, "i > 0 && i <= this->argsCount"=35, "On"=0, ")"=0, "Off"=0, \result=1, "libacc.c"=36, "\n"=24, retValue_acc=1, tmp=1, tmp=1, tmp___2=168, "CRIT"=20, "Env(Water:%i"=23, retValue_acc=1, splverifierCounter=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=12, tmp=0, head=0, "Env(Water:%i"=0, ",Meth:"=0, ") "=0, "OK"=19, "On"=28, "\n"=0, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=37} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 55]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L240] FCALL "Pump(System:" [L244] FCALL "On" [L248] FCALL "Off" [L252] FCALL ",Pump:" [L256] FCALL "On" [L260] FCALL "Off" [L264] FCALL ") " [L266] FCALL "\n" [L467] FCALL "Env(Water:%i" [L468] FCALL ",Meth:" [L472] FCALL "CRIT" [L476] FCALL "OK" [L480] FCALL ")" [L841] FCALL "i > 0 && i <= this->argsCount" [L841] FCALL "libacc.c" [L842] FCALL "__utac__get_this_arg" [L848] FCALL "i > 0 && i <= this->argsCount" [L848] FCALL "libacc.c" [L849] FCALL "__utac__get_this_arg" [L887] FCALL "i > 0 && i <= this->argsCount" [L887] FCALL "libacc.c" [L888] FCALL "__utac__get_this_argtype" [L894] FCALL "i > 0 && i <= this->argsCount" [L894] FCALL "libacc.c" [L895] FCALL "__utac__get_this_argtype" [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L396] FCALL select_helpers() [L397] FCALL select_features() [L398] CALL, EXPR valid_product() [L535] int retValue_acc ; [L538] retValue_acc = 1 [L539] RET return (retValue_acc); [L398] EXPR valid_product() [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L402] FCALL setup() [L403] CALL runTest() [L382] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L162] CALL, EXPR isHighWaterLevel() [L272] int retValue_acc ; [L273] int tmp ; [L274] int tmp___0 ; [L278] CALL, EXPR isHighWaterSensorDry() [L495] int retValue_acc ; [L498] COND TRUE waterLevel < 2 [L499] retValue_acc = 1 [L500] RET return (retValue_acc); [L278] EXPR isHighWaterSensorDry() [L278] tmp = isHighWaterSensorDry() [L280] COND TRUE \read(tmp) [L281] tmp___0 = 0 [L285] retValue_acc = tmp___0 [L286] RET return (retValue_acc); [L162] EXPR isHighWaterLevel() [L162] tmp = isHighWaterLevel() [L164] COND FALSE !(\read(tmp)) [L170] RET, FCALL processEnvironment__wrappee__base() [L137] processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] RET return (retValue_acc); [L916] EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE, RET !(tmp == 0) [L143] RET __utac_acc__Specification4_spec__1() [L100] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...