./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_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_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/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 fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:02:50,852 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:02:50,853 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:02:50,860 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:02:50,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:02:50,861 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:02:50,862 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:02:50,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:02:50,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:02:50,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:02:50,865 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:02:50,865 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:02:50,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:02:50,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:02:50,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:02:50,868 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:02:50,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:02:50,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:02:50,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:02:50,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:02:50,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:02:50,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:02:50,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:02:50,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:02:50,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:02:50,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:02:50,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:02:50,878 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:02:50,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:02:50,879 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:02:50,879 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:02:50,880 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:02:50,880 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:02:50,880 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:02:50,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:02:50,881 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:02:50,881 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:02:50,890 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:02:50,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:02:50,891 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:02:50,891 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:02:50,891 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:02:50,891 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:02:50,891 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:02:50,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:02:50,892 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:02:50,893 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:02:50,894 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:02:50,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:02:50,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:02:50,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:02:50,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:02:50,894 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:02:50,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:02:50,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:02:50,895 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:02:50,895 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:02:50,896 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_c12c138c-ff58-4b95-a39f-f87a014774d8/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 -> fddb6b0f0f2a5c528e066b10e7f7ba2c13018b92 [2018-11-18 09:02:50,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:02:50,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:02:50,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:02:50,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:02:50,932 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:02:50,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-18 09:02:50,977 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/data/d149dd3ca/20199d785fd14a318a1c86e1473073db/FLAG10efa3ff9 [2018-11-18 09:02:51,352 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:02:51,352 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/sv-benchmarks/c/product-lines/minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-18 09:02:51,363 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/data/d149dd3ca/20199d785fd14a318a1c86e1473073db/FLAG10efa3ff9 [2018-11-18 09:02:51,738 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/data/d149dd3ca/20199d785fd14a318a1c86e1473073db [2018-11-18 09:02:51,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:02:51,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:02:51,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:51,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:02:51,745 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:02:51,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:51" (1/1) ... [2018-11-18 09:02:51,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6840b7ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:51, skipping insertion in model container [2018-11-18 09:02:51,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:51" (1/1) ... [2018-11-18 09:02:51,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:02:51,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:02:51,984 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:51,992 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:02:52,082 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:52,098 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:02:52,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52 WrapperNode [2018-11-18 09:02:52,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:52,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:52,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:02:52,099 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:02:52,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:02:52,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:02:52,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:02:52,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:02:52,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... [2018-11-18 09:02:52,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:02:52,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:02:52,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:02:52,166 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:02:52,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/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 09:02:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:02:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:02:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:02:52,824 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:02:52,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:52 BoogieIcfgContainer [2018-11-18 09:02:52,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:02:52,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:02:52,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:02:52,828 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:02:52,828 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:52,828 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:02:51" (1/3) ... [2018-11-18 09:02:52,829 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3001e768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:52, skipping insertion in model container [2018-11-18 09:02:52,829 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:52,829 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:52" (2/3) ... [2018-11-18 09:02:52,830 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3001e768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:02:52, skipping insertion in model container [2018-11-18 09:02:52,830 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:02:52,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:52" (3/3) ... [2018-11-18 09:02:52,831 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product60_false-unreach-call_false-termination.cil.c [2018-11-18 09:02:52,865 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:02:52,866 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:02:52,866 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:02:52,866 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:02:52,866 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:02:52,866 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:02:52,866 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:02:52,866 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:02:52,866 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:02:52,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 199 states. [2018-11-18 09:02:52,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2018-11-18 09:02:52,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:52,905 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:52,911 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:52,911 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:52,911 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:02:52,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 199 states. [2018-11-18 09:02:52,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2018-11-18 09:02:52,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:52,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:52,919 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:52,919 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:52,923 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 137#L799true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 81#L792true 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; 43#L807true main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 139#L997true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 73#L974true 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; 128#L56-3true [2018-11-18 09:02:52,924 INFO L796 eck$LassoCheckResult]: Loop: 128#L56-3true assume true; 129#L56-1true assume !false; 199#L57true assume test_~splverifierCounter~0 < 4; 140#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 70#L66true assume !(0 != test_~tmp~0); 66#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 17#L76true assume !(0 != test_~tmp___0~0); 11#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 40#L86true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 135#L94true assume !(0 != test_~tmp___1~0); 131#L94-2true assume { :begin_inline_timeShift } true; 72#L132true assume !(0 != ~pumpRunning~0); 71#L132-2true assume !(0 != ~systemActive~0); 115#L139-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_#t~ret28, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 107#L855-2true __utac_acc__Specification3_spec__1_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 77#L374true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 57#L380-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 55#L149true assume { :end_inline_timeShift } true; 128#L56-3true [2018-11-18 09:02:52,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:52,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 09:02:52,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:52,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:52,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:52,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:52,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,082 INFO L82 PathProgramCache]: Analyzing trace with hash 729197939, now seen corresponding path program 1 times [2018-11-18 09:02:53,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:53,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1911839287, now seen corresponding path program 1 times [2018-11-18 09:02:53,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:53,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:53,233 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 09:02:53,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:53,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:02:53,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:02:53,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:02:53,309 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 6 states. [2018-11-18 09:02:53,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:53,527 INFO L93 Difference]: Finished difference Result 644 states and 844 transitions. [2018-11-18 09:02:53,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:02:53,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 644 states and 844 transitions. [2018-11-18 09:02:53,538 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 424 [2018-11-18 09:02:53,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 644 states to 604 states and 804 transitions. [2018-11-18 09:02:53,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 604 [2018-11-18 09:02:53,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 604 [2018-11-18 09:02:53,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 604 states and 804 transitions. [2018-11-18 09:02:53,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:53,552 INFO L705 BuchiCegarLoop]: Abstraction has 604 states and 804 transitions. [2018-11-18 09:02:53,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states and 804 transitions. [2018-11-18 09:02:53,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 246. [2018-11-18 09:02:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-18 09:02:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 327 transitions. [2018-11-18 09:02:53,592 INFO L728 BuchiCegarLoop]: Abstraction has 246 states and 327 transitions. [2018-11-18 09:02:53,593 INFO L608 BuchiCegarLoop]: Abstraction has 246 states and 327 transitions. [2018-11-18 09:02:53,593 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:02:53,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 327 transitions. [2018-11-18 09:02:53,595 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2018-11-18 09:02:53,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:53,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:53,596 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:53,596 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] [2018-11-18 09:02:53,596 INFO L794 eck$LassoCheckResult]: Stem: 1028#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 906#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 907#L799 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 978#L792 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; 984#L807 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 985#L997 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 991#L974 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; 958#L56-3 [2018-11-18 09:02:53,597 INFO L796 eck$LassoCheckResult]: Loop: 958#L56-3 assume true; 959#L56-1 assume !false; 960#L57 assume test_~splverifierCounter~0 < 4; 998#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 999#L66 assume !(0 != test_~tmp~0); 924#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 921#L76 assume !(0 != test_~tmp___0~0); 909#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 910#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 952#L359 assume { :end_inline_startSystem } true; 953#L94-2 assume { :begin_inline_timeShift } true; 963#L132 assume !(0 != ~pumpRunning~0); 990#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1009#L190 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 928#L164-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 930#L156-3 assume { :end_inline_processEnvironment__wrappee__base } true; 903#L164-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 920#L190-1 assume { :end_inline_processEnvironment } true; 947#L139-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_#t~ret28, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 900#L855-2 __utac_acc__Specification3_spec__1_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 901#L374 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 941#L380-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1015#L149 assume { :end_inline_timeShift } true; 958#L56-3 [2018-11-18 09:02:53,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 09:02:53,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:53,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1065277152, now seen corresponding path program 1 times [2018-11-18 09:02:53,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,642 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:53,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:53,670 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 09:02:53,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:53,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:02:53,671 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 09:02:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:53,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:53,672 INFO L87 Difference]: Start difference. First operand 246 states and 327 transitions. cyclomatic complexity: 84 Second operand 3 states. [2018-11-18 09:02:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:53,777 INFO L93 Difference]: Finished difference Result 311 states and 396 transitions. [2018-11-18 09:02:53,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:53,777 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 396 transitions. [2018-11-18 09:02:53,780 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2018-11-18 09:02:53,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 311 states and 396 transitions. [2018-11-18 09:02:53,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2018-11-18 09:02:53,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 311 [2018-11-18 09:02:53,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 311 states and 396 transitions. [2018-11-18 09:02:53,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:53,783 INFO L705 BuchiCegarLoop]: Abstraction has 311 states and 396 transitions. [2018-11-18 09:02:53,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states and 396 transitions. [2018-11-18 09:02:53,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-11-18 09:02:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-11-18 09:02:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 396 transitions. [2018-11-18 09:02:53,793 INFO L728 BuchiCegarLoop]: Abstraction has 311 states and 396 transitions. [2018-11-18 09:02:53,793 INFO L608 BuchiCegarLoop]: Abstraction has 311 states and 396 transitions. [2018-11-18 09:02:53,793 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 09:02:53,794 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 311 states and 396 transitions. [2018-11-18 09:02:53,795 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2018-11-18 09:02:53,795 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:53,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:53,796 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:53,796 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:53,796 INFO L794 eck$LassoCheckResult]: Stem: 1601#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1468#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1469#L799 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1545#L792 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; 1551#L807 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 1552#L997 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1558#L974 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; 1525#L56-3 [2018-11-18 09:02:53,797 INFO L796 eck$LassoCheckResult]: Loop: 1525#L56-3 assume true; 1526#L56-1 assume !false; 1527#L57 assume test_~splverifierCounter~0 < 4; 1565#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 1566#L66 assume !(0 != test_~tmp~0); 1487#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 1484#L76 assume !(0 != test_~tmp___0~0); 1471#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 1472#L86 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 1541#L94 assume !(0 != test_~tmp___1~0); 1517#L94-2 assume { :begin_inline_timeShift } true; 1530#L132 assume !(0 != ~pumpRunning~0); 1605#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1578#L190 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1491#L164-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 1492#L895-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 1547#L900-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 1593#L310-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1629#L310-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 1618#L316-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 1569#L168-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1570#L156-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1465#L164-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1483#L190-1 assume { :end_inline_processEnvironment } true; 1509#L139-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_#t~ret28, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 1462#L855-2 __utac_acc__Specification3_spec__1_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 1463#L374 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 1503#L380-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1585#L149 assume { :end_inline_timeShift } true; 1525#L56-3 [2018-11-18 09:02:53,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 09:02:53,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:53,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,832 INFO L82 PathProgramCache]: Analyzing trace with hash 603801226, now seen corresponding path program 1 times [2018-11-18 09:02:53,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,833 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:53,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:53,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash 478066502, now seen corresponding path program 1 times [2018-11-18 09:02:53,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:53,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:53,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:53,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:53,923 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 09:02:53,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:53,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:02:54,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:02:54,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:02:54,070 INFO L87 Difference]: Start difference. First operand 311 states and 396 transitions. cyclomatic complexity: 88 Second operand 5 states. [2018-11-18 09:02:54,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:54,225 INFO L93 Difference]: Finished difference Result 1108 states and 1403 transitions. [2018-11-18 09:02:54,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:02:54,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1108 states and 1403 transitions. [2018-11-18 09:02:54,229 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 839 [2018-11-18 09:02:54,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1108 states to 1108 states and 1403 transitions. [2018-11-18 09:02:54,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1108 [2018-11-18 09:02:54,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1108 [2018-11-18 09:02:54,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1108 states and 1403 transitions. [2018-11-18 09:02:54,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:02:54,233 INFO L705 BuchiCegarLoop]: Abstraction has 1108 states and 1403 transitions. [2018-11-18 09:02:54,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states and 1403 transitions. [2018-11-18 09:02:54,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 615. [2018-11-18 09:02:54,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-11-18 09:02:54,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 773 transitions. [2018-11-18 09:02:54,247 INFO L728 BuchiCegarLoop]: Abstraction has 615 states and 773 transitions. [2018-11-18 09:02:54,247 INFO L608 BuchiCegarLoop]: Abstraction has 615 states and 773 transitions. [2018-11-18 09:02:54,247 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 09:02:54,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 615 states and 773 transitions. [2018-11-18 09:02:54,249 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 446 [2018-11-18 09:02:54,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:02:54,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:02:54,250 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:54,250 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:54,250 INFO L794 eck$LassoCheckResult]: Stem: 3047#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(30);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(9);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(21);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(25);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(25);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(13);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 44];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 77];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 101];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 116];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 104];#memory_int := #memory_int[#t~string68.base,5 + #t~string68.offset := 58];#memory_int := #memory_int[#t~string68.base,6 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 67];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 82];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 73];#memory_int := #memory_int[#t~string70.base,3 + #t~string70.offset := 84];#memory_int := #memory_int[#t~string70.base,4 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 79];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 75];#memory_int := #memory_int[#t~string72.base,2 + #t~string72.offset := 0];call #t~string74.base, #t~string74.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string74.base,#t~string74.offset := 41];#memory_int := #memory_int[#t~string74.base,1 + #t~string74.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 2907#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 2908#L799 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2989#L792 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; 2995#L807 main_#t~ret75 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret75;havoc main_#t~ret75; 2996#L997 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 3002#L974 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; 3057#L56-3 [2018-11-18 09:02:54,250 INFO L796 eck$LassoCheckResult]: Loop: 3057#L56-3 assume true; 3334#L56-1 assume !false; 3332#L57 assume test_~splverifierCounter~0 < 4; 3333#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 3458#L66 assume !(0 != test_~tmp~0); 3457#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 3456#L76 assume !(0 != test_~tmp___0~0); 3454#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 3452#L86 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 2982#L94 assume !(0 != test_~tmp___1~0); 2983#L94-2 assume { :begin_inline_timeShift } true; 3453#L132 assume !(0 != ~pumpRunning~0); 3052#L132-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 3022#L190 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 2930#L164-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 2931#L895-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 2990#L900-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 3038#L310-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 3084#L310-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 3089#L316-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 3306#L168-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3077#L156-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3078#L164-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3040#L190-1 assume { :end_inline_processEnvironment } true; 3383#L139-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret26, __utac_acc__Specification3_spec__1_#t~ret27, __utac_acc__Specification3_spec__1_#t~ret28, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~3, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~3;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 3382#L855-2 __utac_acc__Specification3_spec__1_#t~ret26 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret26;havoc __utac_acc__Specification3_spec__1_#t~ret26; 3381#L374 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 3380#L887 __utac_acc__Specification3_spec__1_#t~ret27 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~3 := __utac_acc__Specification3_spec__1_#t~ret27;havoc __utac_acc__Specification3_spec__1_#t~ret27; 3377#L380 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~3); 3376#L380-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3375#L149 assume { :end_inline_timeShift } true; 3057#L56-3 [2018-11-18 09:02:54,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2018-11-18 09:02:54,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:54,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:54,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:54,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:54,276 INFO L82 PathProgramCache]: Analyzing trace with hash 433647933, now seen corresponding path program 1 times [2018-11-18 09:02:54,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:54,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:54,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,277 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:02:54,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:54,286 INFO L82 PathProgramCache]: Analyzing trace with hash -138337543, now seen corresponding path program 1 times [2018-11-18 09:02:54,286 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:54,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:54,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:54,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:54,438 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2018-11-18 09:03:56,247 WARN L180 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 09:04:31,902 WARN L180 SmtUtils]: Spent 35.65 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 09:04:31,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:04:31 BoogieIcfgContainer [2018-11-18 09:04:31,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:04:31,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:04:31,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:04:31,993 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:04:31,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:52" (3/4) ... [2018-11-18 09:04:31,996 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 09:04:32,041 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c12c138c-ff58-4b95-a39f-f87a014774d8/bin-2019/uautomizer/witness.graphml [2018-11-18 09:04:32,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:04:32,042 INFO L168 Benchmark]: Toolchain (without parser) took 100300.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:04:32,042 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:04:32,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:04:32,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:04:32,043 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:04:32,043 INFO L168 Benchmark]: RCFGBuilder took 658.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:04:32,043 INFO L168 Benchmark]: BuchiAutomizer took 99167.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -62.1 MB). Peak memory consumption was 228.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:04:32,043 INFO L168 Benchmark]: Witness Printer took 48.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:04:32,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 658.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 99167.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -62.1 MB). Peak memory consumption was 228.2 MB. Max. memory is 11.5 GB. * Witness Printer took 48.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 615 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 99.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 98.4s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 851 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 615 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 875 SDtfs, 2351 SDslu, 2897 SDs, 0 SdLazy, 195 SolverSat, 67 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {",Pump:"=34, NULL=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@290da3cf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a2f7ce9=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35718d4d=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7180da4d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b9b1524=0, "OK"=38, "On"=36, "i > 0 && i <= this->argsCount"=19, methaneLevelCritical=0, tmp___0=0, ",Meth:"=0, retValue_acc=0, "Env(Water:%i"=0, ",Meth:"=8, tmp___1=0, "\n"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@275a196c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cbfdcc1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705a035f=0, cleanupTimeShifts=4, tmp=0, tmp=0, "i > 0 && i <= this->argsCount"=23, tmp=1, tmp___0=1, "On"=33, tmp=0, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3cebee31=0, "__utac__get_this_argtype"=17, retValue_acc=0, "__utac__get_this_arg"=0, \result=0, "i > 0 && i <= this->argsCount"=27, tmp___0=0, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=15, "__utac__get_this_argtype"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, "__utac__get_this_arg"=24, "libacc.c"=18, \result=0, "__utac__get_this_arg"=20, ") "=29, ")"=39, "Off"=0, "Env(Water:%i"=12, "CRIT"=0, ",Pump:"=0, "libacc.c"=0, "On"=0, \result=1, "libacc.c"=26, "__utac__get_this_argtype"=14, "OK"=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ac306bc=0, tmp=1, ")"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11032250=0, tmp___2=0, retValue_acc=1, splverifierCounter=0, "i > 0 && i <= this->argsCount"=0, "Pump(System:"=0, \result=0, "Pump(System:"=37, "CRIT"=11, "i > 0 && i <= this->argsCount"=16, tmp=0, tmp___1=0, head=0, "Off"=31, "Off"=0, "On"=0, "Off"=35, "libacc.c"=0, "libacc.c"=22} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L270] FCALL "Pump(System:" [L274] FCALL "On" [L278] FCALL "Off" [L282] FCALL ",Pump:" [L286] FCALL "On" [L290] FCALL "Off" [L294] FCALL ") " [L296] FCALL "\n" [L696] FCALL "i > 0 && i <= this->argsCount" [L696] FCALL "libacc.c" [L697] FCALL "__utac__get_this_arg" [L703] FCALL "i > 0 && i <= this->argsCount" [L703] FCALL "libacc.c" [L704] FCALL "__utac__get_this_arg" [L742] FCALL "i > 0 && i <= this->argsCount" [L742] FCALL "libacc.c" [L743] FCALL "__utac__get_this_argtype" [L749] FCALL "i > 0 && i <= this->argsCount" [L749] FCALL "libacc.c" [L750] FCALL "__utac__get_this_argtype" [L864] FCALL "Env(Water:%i" [L865] FCALL ",Meth:" [L869] FCALL "CRIT" [L873] FCALL "OK" [L877] FCALL ")" [L124] int pumpRunning = 0; [L125] int systemActive = 1; [L812] int waterLevel = 1; [L813] int methaneLevelCritical = 0; [L915] int cleanupTimeShifts = 4; [L568] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L988] int retValue_acc ; [L989] int tmp ; [L993] FCALL select_helpers() [L994] FCALL select_features() [L995] CALL, EXPR valid_product() [L803] int retValue_acc ; [L806] retValue_acc = 1 [L807] RET return (retValue_acc); [L995] EXPR valid_product() [L995] tmp = valid_product() [L997] COND TRUE \read(tmp) [L999] FCALL setup() [L1000] CALL runTest() [L982] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___2)) [L92] tmp___1 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___1)) [L103] CALL timeShift() [L132] COND FALSE !(\read(pumpRunning)) [L139] COND TRUE \read(systemActive) [L141] CALL processEnvironment() [L187] int tmp ; [L190] COND FALSE !(\read(pumpRunning)) [L205] CALL processEnvironment__wrappee__highWaterSensor() [L161] int tmp ; [L164] COND TRUE ! pumpRunning [L166] CALL, EXPR isHighWaterLevel() [L302] int retValue_acc ; [L303] int tmp ; [L304] int tmp___0 ; [L308] CALL, EXPR isHighWaterSensorDry() [L892] int retValue_acc ; [L895] COND TRUE waterLevel < 2 [L896] retValue_acc = 1 [L897] RET return (retValue_acc); [L308] EXPR isHighWaterSensorDry() [L308] tmp = isHighWaterSensorDry() [L310] COND TRUE \read(tmp) [L311] tmp___0 = 0 [L315] retValue_acc = tmp___0 [L316] RET return (retValue_acc); [L166] EXPR isHighWaterLevel() [L166] tmp = isHighWaterLevel() [L168] COND FALSE !(\read(tmp)) [L174] RET, FCALL processEnvironment__wrappee__base() [L205] RET processEnvironment__wrappee__highWaterSensor() [L141] processEnvironment() [L147] CALL __utac_acc__Specification3_spec__1() [L366] int tmp ; [L367] int tmp___0 ; [L368] int tmp___1 ; [L372] CALL, EXPR isMethaneLevelCritical() [L851] int retValue_acc ; [L854] retValue_acc = methaneLevelCritical [L855] RET return (retValue_acc); [L372] EXPR isMethaneLevelCritical() [L372] tmp = isMethaneLevelCritical() [L374] COND FALSE !(\read(tmp)) [L378] CALL, EXPR getWaterLevel() [L883] int retValue_acc ; [L886] retValue_acc = waterLevel [L887] RET return (retValue_acc); [L378] EXPR getWaterLevel() [L378] tmp___0 = getWaterLevel() [L380] COND FALSE, RET !(tmp___0 == 2) [L147] RET __utac_acc__Specification3_spec__1() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...