./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/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 ae183694bf4bf570adbc8e6a3fd448131967b766 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 08:19:32,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:19:32,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:19:32,714 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:19:32,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:19:32,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:19:32,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:19:32,717 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:19:32,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:19:32,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:19:32,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:19:32,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:19:32,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:19:32,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:19:32,720 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:19:32,721 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:19:32,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:19:32,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:19:32,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:19:32,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:19:32,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:19:32,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:19:32,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:19:32,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:19:32,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:19:32,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:19:32,727 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:19:32,727 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:19:32,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:19:32,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:19:32,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:19:32,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:19:32,729 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:19:32,729 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:19:32,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:19:32,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:19:32,730 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 08:19:32,738 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:19:32,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:19:32,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:19:32,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:19:32,739 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:19:32,739 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:19:32,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:19:32,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:19:32,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:19:32,741 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:19:32,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:19:32,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:19:32,742 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:19:32,742 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:19:32,742 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_8cea9b0e-5559-4b72-a675-823a83bd9e30/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 -> ae183694bf4bf570adbc8e6a3fd448131967b766 [2018-12-09 08:19:32,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:19:32,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:19:32,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:19:32,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:19:32,769 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:19:32,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-09 08:19:32,803 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/data/4917a9617/f8fe8af0fd0e4db6aa8e348b4f03bed0/FLAGa93302e83 [2018-12-09 08:19:33,237 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:19:33,238 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/sv-benchmarks/c/product-lines/minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-09 08:19:33,244 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/data/4917a9617/f8fe8af0fd0e4db6aa8e348b4f03bed0/FLAGa93302e83 [2018-12-09 08:19:33,252 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/data/4917a9617/f8fe8af0fd0e4db6aa8e348b4f03bed0 [2018-12-09 08:19:33,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:19:33,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:19:33,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:19:33,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:19:33,258 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:19:33,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33, skipping insertion in model container [2018-12-09 08:19:33,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:19:33,284 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:19:33,429 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:19:33,438 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:19:33,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:19:33,530 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:19:33,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33 WrapperNode [2018-12-09 08:19:33,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:19:33,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:19:33,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:19:33,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:19:33,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:19:33,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:19:33,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:19:33,567 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:19:33,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... [2018-12-09 08:19:33,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:19:33,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:19:33,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:19:33,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:19:33,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/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 [2018-12-09 08:19:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 08:19:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 08:19:33,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:19:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:19:33,960 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:19:33,960 INFO L280 CfgBuilder]: Removed 174 assue(true) statements. [2018-12-09 08:19:33,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:33 BoogieIcfgContainer [2018-12-09 08:19:33,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:19:33,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:19:33,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:19:33,963 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:19:33,963 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:19:33,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:19:33" (1/3) ... [2018-12-09 08:19:33,964 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13d885c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:19:33, skipping insertion in model container [2018-12-09 08:19:33,964 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:19:33,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:19:33" (2/3) ... [2018-12-09 08:19:33,965 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13d885c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:19:33, skipping insertion in model container [2018-12-09 08:19:33,965 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:19:33,965 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:33" (3/3) ... [2018-12-09 08:19:33,966 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product23_true-unreach-call_false-termination.cil.c [2018-12-09 08:19:33,997 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:19:33,997 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:19:33,997 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:19:33,997 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:19:33,997 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:19:33,997 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:19:33,997 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:19:33,998 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:19:33,998 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:19:34,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-12-09 08:19:34,024 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 08:19:34,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:19:34,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:19:34,029 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,029 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,029 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:19:34,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states. [2018-12-09 08:19:34,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-12-09 08:19:34,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:19:34,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:19:34,033 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,033 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,036 INFO L794 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 69#L906true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 72#L914true main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 42#L601true assume 0 != main_~tmp~3; 100#L572true ~switchedOnBeforeTS~0 := 0; 71#L925true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 110#L946-1true [2018-12-09 08:19:34,037 INFO L796 eck$LassoCheckResult]: Loop: 110#L946-1true assume !false; 101#L828true assume test_~splverifierCounter~0 < 4; 65#L829true test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 75#L837true assume !(0 != test_~tmp~7); 67#L837-1true test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 114#L847true assume !(0 != test_~tmp___0~1); 104#L847-1true test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 43#L857true assume 0 != test_~tmp___2~0; 13#L863-1true havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 19#L742true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 109#L935true assume !(0 != ~pumpRunning~0); 61#L631true assume !(0 != ~systemActive~0); 97#L638true havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 18#L497true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 108#L946true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 110#L946-1true [2018-12-09 08:19:34,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-09 08:19:34,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,164 INFO L82 PathProgramCache]: Analyzing trace with hash -240568171, now seen corresponding path program 1 times [2018-12-09 08:19:34,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1693457039, now seen corresponding path program 1 times [2018-12-09 08:19:34,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:19:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:19:34,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:19:34,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 08:19:34,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 08:19:34,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 08:19:34,337 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 6 states. [2018-12-09 08:19:34,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:19:34,423 INFO L93 Difference]: Finished difference Result 277 states and 388 transitions. [2018-12-09 08:19:34,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 08:19:34,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 277 states and 388 transitions. [2018-12-09 08:19:34,429 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2018-12-09 08:19:34,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 277 states to 256 states and 367 transitions. [2018-12-09 08:19:34,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 256 [2018-12-09 08:19:34,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 256 [2018-12-09 08:19:34,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 256 states and 367 transitions. [2018-12-09 08:19:34,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:19:34,437 INFO L705 BuchiCegarLoop]: Abstraction has 256 states and 367 transitions. [2018-12-09 08:19:34,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states and 367 transitions. [2018-12-09 08:19:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 155. [2018-12-09 08:19:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-09 08:19:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 221 transitions. [2018-12-09 08:19:34,463 INFO L728 BuchiCegarLoop]: Abstraction has 155 states and 221 transitions. [2018-12-09 08:19:34,463 INFO L608 BuchiCegarLoop]: Abstraction has 155 states and 221 transitions. [2018-12-09 08:19:34,463 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:19:34,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 221 transitions. [2018-12-09 08:19:34,464 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2018-12-09 08:19:34,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:19:34,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:19:34,465 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,465 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,465 INFO L794 eck$LassoCheckResult]: Stem: 504#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 420#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 421#L906 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 499#L914 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 469#L601 assume 0 != main_~tmp~3; 470#L572 ~switchedOnBeforeTS~0 := 0; 501#L925 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 456#L946-1 [2018-12-09 08:19:34,465 INFO L796 eck$LassoCheckResult]: Loop: 456#L946-1 assume !false; 514#L828 assume test_~splverifierCounter~0 < 4; 495#L829 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 496#L837 assume !(0 != test_~tmp~7); 497#L837-1 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 498#L847 assume !(0 != test_~tmp___0~1); 494#L847-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 471#L857 assume 0 != test_~tmp___2~0; 425#L863-1 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 426#L742 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 437#L935 assume !(0 != ~pumpRunning~0); 458#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 481#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret46, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 483#L663-1 assume !(0 != ~pumpRunning~0); 484#L638 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 435#L497 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 436#L946 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 456#L946-1 [2018-12-09 08:19:34,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-09 08:19:34,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1407156793, now seen corresponding path program 1 times [2018-12-09 08:19:34,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,497 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:19:34,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1765198145, now seen corresponding path program 1 times [2018-12-09 08:19:34,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:19:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:19:34,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:19:34,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:19:34,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 08:19:34,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 08:19:34,585 INFO L87 Difference]: Start difference. First operand 155 states and 221 transitions. cyclomatic complexity: 69 Second operand 5 states. [2018-12-09 08:19:34,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:19:34,681 INFO L93 Difference]: Finished difference Result 448 states and 633 transitions. [2018-12-09 08:19:34,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 08:19:34,682 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 448 states and 633 transitions. [2018-12-09 08:19:34,685 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 210 [2018-12-09 08:19:34,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 448 states to 448 states and 633 transitions. [2018-12-09 08:19:34,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 448 [2018-12-09 08:19:34,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 448 [2018-12-09 08:19:34,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 448 states and 633 transitions. [2018-12-09 08:19:34,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 08:19:34,690 INFO L705 BuchiCegarLoop]: Abstraction has 448 states and 633 transitions. [2018-12-09 08:19:34,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states and 633 transitions. [2018-12-09 08:19:34,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 303. [2018-12-09 08:19:34,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-12-09 08:19:34,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 421 transitions. [2018-12-09 08:19:34,700 INFO L728 BuchiCegarLoop]: Abstraction has 303 states and 421 transitions. [2018-12-09 08:19:34,700 INFO L608 BuchiCegarLoop]: Abstraction has 303 states and 421 transitions. [2018-12-09 08:19:34,700 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-09 08:19:34,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 421 transitions. [2018-12-09 08:19:34,702 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 210 [2018-12-09 08:19:34,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:19:34,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:19:34,702 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:19:34,702 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] [2018-12-09 08:19:34,703 INFO L794 eck$LassoCheckResult]: Stem: 1131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string50.base, #t~string50.offset := #Ultimate.alloc(13);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);~switchedOnBeforeTS~0 := 0; 1039#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3; 1040#L906 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1124#L914 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 1089#L601 assume 0 != main_~tmp~3; 1090#L572 ~switchedOnBeforeTS~0 := 0; 1127#L925 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1075#L946-1 [2018-12-09 08:19:34,703 INFO L796 eck$LassoCheckResult]: Loop: 1075#L946-1 assume !false; 1215#L828 assume test_~splverifierCounter~0 < 4; 1216#L829 test_~tmp~7 := test_#t~nondet66;havoc test_#t~nondet66; 1249#L837 assume !(0 != test_~tmp~7); 1247#L837-1 test_~tmp___0~1 := test_#t~nondet67;havoc test_#t~nondet67; 1246#L847 assume !(0 != test_~tmp___0~1); 1243#L847-1 test_~tmp___2~0 := test_#t~nondet68;havoc test_#t~nondet68; 1236#L857 assume 0 != test_~tmp___2~0; 1233#L863-1 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 1256#L742 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 1253#L935 assume !(0 != ~pumpRunning~0); 1117#L631 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1103#L689 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret46, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 1105#L663-1 assume !(0 != ~pumpRunning~0); 1235#L638 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 1234#L497 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 1161#L946 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 1162#L742-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 1123#L950 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 1075#L946-1 [2018-12-09 08:19:34,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-09 08:19:34,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,726 INFO L82 PathProgramCache]: Analyzing trace with hash 637007746, now seen corresponding path program 1 times [2018-12-09 08:19:34,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,727 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:19:34,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:19:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash -156676996, now seen corresponding path program 1 times [2018-12-09 08:19:34,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:19:34,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:19:34,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:19:34,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:19:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:19:40,045 WARN L180 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-09 08:19:42,539 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-09 08:19:42,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:19:42 BoogieIcfgContainer [2018-12-09 08:19:42,576 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:19:42,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:19:42,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:19:42,576 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:19:42,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:19:33" (3/4) ... [2018-12-09 08:19:42,579 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 08:19:42,616 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8cea9b0e-5559-4b72-a675-823a83bd9e30/bin-2019/uautomizer/witness.graphml [2018-12-09 08:19:42,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:19:42,617 INFO L168 Benchmark]: Toolchain (without parser) took 9362.25 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 282.6 MB). Free memory was 957.1 MB in the beginning and 858.4 MB in the end (delta: 98.6 MB). Peak memory consumption was 381.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,617 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:19:42,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:19:42,618 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,618 INFO L168 Benchmark]: RCFGBuilder took 371.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,619 INFO L168 Benchmark]: BuchiAutomizer took 8614.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.0 GB in the beginning and 867.9 MB in the end (delta: 152.4 MB). Peak memory consumption was 356.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,619 INFO L168 Benchmark]: Witness Printer took 40.37 ms. Allocated memory is still 1.3 GB. Free memory was 867.9 MB in the beginning and 858.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:19:42,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 371.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.2 MB). Peak memory consumption was 64.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8614.91 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 174.6 MB). Free memory was 1.0 GB in the beginning and 867.9 MB in the end (delta: 152.4 MB). Peak memory consumption was 356.1 MB. Max. memory is 11.5 GB. * Witness Printer took 40.37 ms. Allocated memory is still 1.3 GB. Free memory was 867.9 MB in the beginning and 858.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 303 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.2s. 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, 246 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 303 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 408 SDtfs, 1170 SDslu, 1228 SDs, 0 SdLazy, 139 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: 827]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29951ff5=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=26, NULL=0, NULL=15, NULL=22, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43ed5dea=0, retValue_acc=1, tmp=1, tmp=0, tmp=0, tmp___1=0, NULL=33, NULL=8, NULL=24, NULL=11, NULL=36, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=37, NULL=23, NULL=12, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@607033c3=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d3dec=0, NULL=29, NULL=0, NULL=0, NULL=0, NULL=28, NULL=0, NULL=0, \result=1, NULL=27, head=0, pumpRunning=0, tmp___0=0, \result=0, NULL=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4691576e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@803064f=0, NULL=31, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@510deba4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3646ea72=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d5baa54=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c65b530=0, NULL=20, tmp___2=56, retValue_acc=1, NULL=14, tmp___0=0, splverifierCounter=0, head=0, NULL=0, tmp=0, NULL=39, NULL=19, NULL=0, NULL=35, NULL=0, NULL=0, NULL=16, NULL=17, NULL=18, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L619] int pumpRunning = 0; [L620] int systemActive = 1; [L919] int switchedOnBeforeTS ; [L592] int retValue_acc ; [L593] int tmp ; [L910] int retValue_acc ; [L913] retValue_acc = 1 [L914] return (retValue_acc); [L599] tmp = valid_product() [L601] COND TRUE \read(tmp) [L924] switchedOnBeforeTS = 0 [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L738] int retValue_acc ; [L741] retValue_acc = pumpRunning [L742] return (retValue_acc); [L933] switchedOnBeforeTS = isPumpRunning() [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L686] int tmp ; [L689] COND FALSE !(\read(pumpRunning)) [L660] int tmp ; [L663] COND FALSE !(\read(pumpRunning)) [L939] int tmp ; [L940] int tmp___0 ; [L493] int retValue_acc ; [L496] retValue_acc = waterLevel [L497] return (retValue_acc); [L944] tmp = getWaterLevel() [L946] COND TRUE tmp != 2 [L738] int retValue_acc ; [L741] retValue_acc = pumpRunning [L742] return (retValue_acc); [L948] tmp___0 = isPumpRunning() [L950] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...