./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product23_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_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/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 eb835625053b28be1502d008fc964b9382c39b0e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:39:30,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:39:30,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:39:30,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:39:30,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:39:30,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:39:30,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:39:30,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:39:30,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:39:30,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:39:30,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:39:30,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:39:30,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:39:30,829 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:39:30,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:39:30,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:39:30,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:39:30,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:39:30,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:39:30,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:39:30,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:39:30,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:39:30,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:39:30,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:39:30,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:39:30,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:39:30,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:39:30,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:39:30,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:39:30,840 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:39:30,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:39:30,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:39:30,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:39:30,841 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:39:30,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:39:30,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:39:30,842 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:39:30,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:39:30,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:39:30,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:39:30,854 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:39:30,854 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:39:30,854 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:39:30,854 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:39:30,855 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:39:30,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:39:30,856 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:39:30,857 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:39:30,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:39:30,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:39:30,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:39:30,857 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:39:30,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:39:30,857 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:39:30,858 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:39:30,858 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:39:30,858 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_b3243808-a025-449b-99d6-e69fb89830a3/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 -> eb835625053b28be1502d008fc964b9382c39b0e [2018-11-18 11:39:30,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:39:30,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:39:30,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:39:30,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:39:30,897 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:39:30,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product23_false-unreach-call_false-termination.cil.c [2018-11-18 11:39:30,943 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/data/842d9a8b7/646cd725a1cf410897bffa4334b26ba6/FLAG7cc52c4b5 [2018-11-18 11:39:31,381 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:39:31,381 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/sv-benchmarks/c/product-lines/minepump_spec3_product23_false-unreach-call_false-termination.cil.c [2018-11-18 11:39:31,388 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/data/842d9a8b7/646cd725a1cf410897bffa4334b26ba6/FLAG7cc52c4b5 [2018-11-18 11:39:31,398 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/data/842d9a8b7/646cd725a1cf410897bffa4334b26ba6 [2018-11-18 11:39:31,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:39:31,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:39:31,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:31,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:39:31,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:39:31,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31, skipping insertion in model container [2018-11-18 11:39:31,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:39:31,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:39:31,654 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:31,663 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:39:31,757 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:39:31,775 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:39:31,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31 WrapperNode [2018-11-18 11:39:31,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:39:31,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:31,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:39:31,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:39:31,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:39:31,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:39:31,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:39:31,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:39:31,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... [2018-11-18 11:39:31,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:39:31,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:39:31,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:39:31,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:39:31,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/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 11:39:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:39:31,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:39:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:39:32,473 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:39:32,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:32 BoogieIcfgContainer [2018-11-18 11:39:32,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:39:32,474 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:39:32,474 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:39:32,476 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:39:32,477 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:39:32,477 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:39:31" (1/3) ... [2018-11-18 11:39:32,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600592d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:39:32, skipping insertion in model container [2018-11-18 11:39:32,478 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:39:32,478 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:39:31" (2/3) ... [2018-11-18 11:39:32,478 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@600592d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:39:32, skipping insertion in model container [2018-11-18 11:39:32,479 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:39:32,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:32" (3/3) ... [2018-11-18 11:39:32,480 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product23_false-unreach-call_false-termination.cil.c [2018-11-18 11:39:32,513 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:39:32,514 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:39:32,514 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:39:32,514 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:39:32,514 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:39:32,514 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:39:32,514 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:39:32,514 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:39:32,514 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:39:32,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 11:39:32,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 11:39:32,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:39:32,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:39:32,556 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:32,556 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:32,556 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:39:32,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 162 states. [2018-11-18 11:39:32,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2018-11-18 11:39:32,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:39:32,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:39:32,561 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:32,561 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:32,564 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 70#L934true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 155#L927true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 78#L942true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 129#L523true assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 26#L497true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L381-3true [2018-11-18 11:39:32,564 INFO L796 eck$LassoCheckResult]: Loop: 54#L381-3true assume true; 51#L381-1true assume !false; 144#L382true assume test_~splverifierCounter~0 < 4; 104#L383true test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 108#L391true assume !(0 != test_~tmp~4); 115#L391-2true test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 161#L401true assume !(0 != test_~tmp___0~2); 164#L401-2true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 73#L411true assume 0 != test_~tmp___2~0; 48#L417-2true assume { :begin_inline_timeShift } true; 147#L184true assume !(0 != ~pumpRunning~0); 146#L184-2true assume !(0 != ~systemActive~0); 47#L191-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret10, __utac_acc__Specification3_spec__1_#t~ret11, __utac_acc__Specification3_spec__1_#t~ret12, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 163#L90-1true __utac_acc__Specification3_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret10;havoc __utac_acc__Specification3_spec__1_#t~ret10; 46#L147true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 30#L153-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 102#L201true assume { :end_inline_timeShift } true; 54#L381-3true [2018-11-18 11:39:32,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:32,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:39:32,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:32,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:32,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:32,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:32,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:32,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1758878843, now seen corresponding path program 1 times [2018-11-18 11:39:32,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:32,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:32,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:32,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:32,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:32,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1604406849, now seen corresponding path program 1 times [2018-11-18 11:39:32,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:32,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:32,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:32,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:32,861 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 11:39:32,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:39:32,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:39:32,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:39:32,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:39:32,928 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 6 states. [2018-11-18 11:39:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:33,120 INFO L93 Difference]: Finished difference Result 383 states and 494 transitions. [2018-11-18 11:39:33,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:39:33,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 383 states and 494 transitions. [2018-11-18 11:39:33,129 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 249 [2018-11-18 11:39:33,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 383 states to 353 states and 464 transitions. [2018-11-18 11:39:33,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2018-11-18 11:39:33,141 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2018-11-18 11:39:33,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 464 transitions. [2018-11-18 11:39:33,143 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:39:33,143 INFO L705 BuchiCegarLoop]: Abstraction has 353 states and 464 transitions. [2018-11-18 11:39:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 464 transitions. [2018-11-18 11:39:33,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 209. [2018-11-18 11:39:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-18 11:39:33,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 275 transitions. [2018-11-18 11:39:33,178 INFO L728 BuchiCegarLoop]: Abstraction has 209 states and 275 transitions. [2018-11-18 11:39:33,178 INFO L608 BuchiCegarLoop]: Abstraction has 209 states and 275 transitions. [2018-11-18 11:39:33,178 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:39:33,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 275 transitions. [2018-11-18 11:39:33,181 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2018-11-18 11:39:33,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:39:33,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:39:33,182 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:33,182 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:33,182 INFO L794 eck$LassoCheckResult]: Stem: 706#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 583#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 584#L934 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660#L927 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 666#L942 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 667#L523 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 599#L497 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 600#L381-3 [2018-11-18 11:39:33,182 INFO L796 eck$LassoCheckResult]: Loop: 600#L381-3 assume true; 640#L381-1 assume !false; 641#L382 assume test_~splverifierCounter~0 < 4; 690#L383 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 691#L391 assume !(0 != test_~tmp~4); 586#L391-2 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 695#L401 assume !(0 != test_~tmp___0~2); 708#L401-2 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 661#L411 assume 0 != test_~tmp___2~0; 629#L417-2 assume { :begin_inline_timeShift } true; 637#L184 assume !(0 != ~pumpRunning~0); 652#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 702#L242 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret13, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 639#L216-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 604#L208-3 assume { :end_inline_processEnvironment__wrappee__base } true; 605#L216-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 638#L242-1 assume { :end_inline_processEnvironment } true; 635#L191-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret10, __utac_acc__Specification3_spec__1_#t~ret11, __utac_acc__Specification3_spec__1_#t~ret12, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 636#L90-1 __utac_acc__Specification3_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret10;havoc __utac_acc__Specification3_spec__1_#t~ret10; 633#L147 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 606#L153-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 607#L201 assume { :end_inline_timeShift } true; 600#L381-3 [2018-11-18 11:39:33,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:39:33,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1845382963, now seen corresponding path program 1 times [2018-11-18 11:39:33,225 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,225 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,226 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:39:33,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,236 INFO L82 PathProgramCache]: Analyzing trace with hash -728540271, now seen corresponding path program 1 times [2018-11-18 11:39:33,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:39:33,302 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 11:39:33,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:39:33,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:39:33,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:39:33,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:39:33,402 INFO L87 Difference]: Start difference. First operand 209 states and 275 transitions. cyclomatic complexity: 69 Second operand 5 states. [2018-11-18 11:39:33,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:39:33,577 INFO L93 Difference]: Finished difference Result 743 states and 981 transitions. [2018-11-18 11:39:33,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:39:33,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 743 states and 981 transitions. [2018-11-18 11:39:33,583 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 542 [2018-11-18 11:39:33,588 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 743 states to 743 states and 981 transitions. [2018-11-18 11:39:33,588 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 743 [2018-11-18 11:39:33,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 743 [2018-11-18 11:39:33,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 743 states and 981 transitions. [2018-11-18 11:39:33,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:39:33,592 INFO L705 BuchiCegarLoop]: Abstraction has 743 states and 981 transitions. [2018-11-18 11:39:33,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states and 981 transitions. [2018-11-18 11:39:33,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 411. [2018-11-18 11:39:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-11-18 11:39:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 535 transitions. [2018-11-18 11:39:33,612 INFO L728 BuchiCegarLoop]: Abstraction has 411 states and 535 transitions. [2018-11-18 11:39:33,612 INFO L608 BuchiCegarLoop]: Abstraction has 411 states and 535 transitions. [2018-11-18 11:39:33,612 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:39:33,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 411 states and 535 transitions. [2018-11-18 11:39:33,615 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 296 [2018-11-18 11:39:33,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:39:33,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:39:33,616 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:39:33,616 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] [2018-11-18 11:39:33,616 INFO L794 eck$LassoCheckResult]: Stem: 1714#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(13);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 110];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 79];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 102];#memory_int := #memory_int[#t~string21.base,3 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 44];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 80];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 117];#memory_int := #memory_int[#t~string23.base,3 + #t~string23.offset := 109];#memory_int := #memory_int[#t~string23.base,4 + #t~string23.offset := 112];#memory_int := #memory_int[#t~string23.base,5 + #t~string23.offset := 58];#memory_int := #memory_int[#t~string23.base,6 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 110];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 79];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 102];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 41];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 32];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 10];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5;assume { :begin_inline_select_helpers } true; 1556#L934 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1645#L927 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 1655#L942 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~5 := main_#t~ret37;havoc main_#t~ret37; 1656#L523 assume 0 != main_~tmp~5;assume { :begin_inline_setup } true; 1576#L497 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~2, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~2;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1577#L381-3 [2018-11-18 11:39:33,617 INFO L796 eck$LassoCheckResult]: Loop: 1577#L381-3 assume true; 1620#L381-1 assume !false; 1621#L382 assume test_~splverifierCounter~0 < 4; 1683#L383 test_~tmp~4 := test_#t~nondet33;havoc test_#t~nondet33; 1684#L391 assume !(0 != test_~tmp~4); 1553#L391-2 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 1693#L401 assume !(0 != test_~tmp___0~2); 1716#L401-2 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 1646#L411 assume 0 != test_~tmp___2~0; 1604#L417-2 assume { :begin_inline_timeShift } true; 1613#L184 assume !(0 != ~pumpRunning~0); 1635#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1706#L242 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret13, processEnvironment__wrappee__lowWaterSensor_~tmp~1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1; 1707#L216-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1579#L208-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1580#L216-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1841#L242-1 assume { :end_inline_processEnvironment } true; 1611#L191-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret10, __utac_acc__Specification3_spec__1_#t~ret11, __utac_acc__Specification3_spec__1_#t~ret12, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1612#L90-1 __utac_acc__Specification3_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret10;havoc __utac_acc__Specification3_spec__1_#t~ret10; 1609#L147 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1610#L122 __utac_acc__Specification3_spec__1_#t~ret11 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret11;havoc __utac_acc__Specification3_spec__1_#t~ret11; 1590#L153 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1581#L153-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1582#L201 assume { :end_inline_timeShift } true; 1577#L381-3 [2018-11-18 11:39:33,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:39:33,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,649 INFO L82 PathProgramCache]: Analyzing trace with hash 409719136, now seen corresponding path program 1 times [2018-11-18 11:39:33,649 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,653 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:39:33,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:39:33,661 INFO L82 PathProgramCache]: Analyzing trace with hash -46277852, now seen corresponding path program 1 times [2018-11-18 11:39:33,661 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:39:33,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:39:33,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:39:33,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:39:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:39:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:40:07,915 WARN L180 SmtUtils]: Spent 34.15 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:40:31,876 WARN L180 SmtUtils]: Spent 23.96 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:40:31,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:40:31 BoogieIcfgContainer [2018-11-18 11:40:31,937 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:40:31,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:40:31,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:40:31,937 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:40:31,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:39:32" (3/4) ... [2018-11-18 11:40:31,940 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:40:31,979 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3243808-a025-449b-99d6-e69fb89830a3/bin-2019/uautomizer/witness.graphml [2018-11-18 11:40:31,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:40:31,979 INFO L168 Benchmark]: Toolchain (without parser) took 60578.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 933.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 191.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,980 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:40:31,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.44 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 11:40:31,981 INFO L168 Benchmark]: Boogie Preprocessor took 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,981 INFO L168 Benchmark]: RCFGBuilder took 633.76 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,981 INFO L168 Benchmark]: BuchiAutomizer took 59462.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.1 GB in the beginning and 939.3 MB in the end (delta: 111.6 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,982 INFO L168 Benchmark]: Witness Printer took 41.55 ms. Allocated memory is still 1.2 GB. Free memory was 939.3 MB in the beginning and 933.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:40:31,984 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.44 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 27.32 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 633.76 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59462.94 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.3 MB). Free memory was 1.1 GB in the beginning and 939.3 MB in the end (delta: 111.6 MB). Peak memory consumption was 185.9 MB. Max. memory is 11.5 GB. * Witness Printer took 41.55 ms. Allocated memory is still 1.2 GB. Free memory was 939.3 MB in the beginning and 933.4 MB in the end (delta: 5.9 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 411 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 58.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 476 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 411 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 506 SDtfs, 1501 SDslu, 1848 SDs, 0 SdLazy, 125 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 381]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Env(Water:%i"=11, retValue_acc=0, "OK"=12, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=22, methaneLevelCritical=0, tmp=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2fa33f62=0, ") "=24, ",Pump:"=28, tmp___0=1, tmp=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ad47b0f=0, "On"=27, "\n"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b5f79fe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8cb452a=42, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@414d0e96=0, "Pump(System:"=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24858cd3=0, "On"=0, ",Pump:"=0, "Off"=0, "Off"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=39, \result=1, "__utac__get_this_arg"=19, "libacc.c"=34, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "libacc.c"=18, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@219507a8=0, "Off"=29, "On"=0, "libacc.c"=37, "__utac__get_this_argtype"=0, tmp=1, "Pump(System:"=0, "__utac__get_this_argtype"=38, "__utac__get_this_arg"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b63521a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ee686de=0, "CRIT"=15, tmp___2=42, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=14, "__utac__get_this_argtype"=40, "i > 0 && i <= this->argsCount"=20, tmp=0, tmp___1=0, head=0, "On"=31, "Off"=26, ",Meth:"=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4367c470=0, "\n"=0, "i > 0 && i <= this->argsCount"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 381]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L99] FCALL "Env(Water:%i" [L100] FCALL ",Meth:" [L104] FCALL "CRIT" [L108] FCALL "OK" [L112] FCALL ")" [L304] FCALL "Pump(System:" [L308] FCALL "On" [L312] FCALL "Off" [L316] FCALL ",Pump:" [L320] FCALL "On" [L324] FCALL "Off" [L328] FCALL ") " [L330] FCALL "\n" [L843] FCALL "i > 0 && i <= this->argsCount" [L843] FCALL "libacc.c" [L844] FCALL "__utac__get_this_arg" [L850] FCALL "i > 0 && i <= this->argsCount" [L850] FCALL "libacc.c" [L851] FCALL "__utac__get_this_arg" [L889] FCALL "i > 0 && i <= this->argsCount" [L889] FCALL "libacc.c" [L890] FCALL "__utac__get_this_argtype" [L896] FCALL "i > 0 && i <= this->argsCount" [L896] FCALL "libacc.c" [L897] FCALL "__utac__get_this_argtype" [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L177] int pumpRunning = 0; [L178] int systemActive = 1; [L438] int cleanupTimeShifts = 4; [L715] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L514] int retValue_acc ; [L515] int tmp ; [L519] FCALL select_helpers() [L520] FCALL select_features() [L521] CALL, EXPR valid_product() [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] RET return (retValue_acc); [L521] EXPR valid_product() [L521] tmp = valid_product() [L523] COND TRUE \read(tmp) [L525] FCALL setup() [L526] CALL runTest() [L505] CALL test() [L372] int splverifierCounter ; [L373] int tmp ; [L374] int tmp___0 ; [L375] int tmp___1 ; [L376] int tmp___2 ; [L379] splverifierCounter = 0 Loop: [L381] COND TRUE 1 [L383] COND TRUE splverifierCounter < 4 [L389] tmp = __VERIFIER_nondet_int() [L391] COND FALSE !(\read(tmp)) [L399] tmp___0 = __VERIFIER_nondet_int() [L401] COND FALSE !(\read(tmp___0)) [L409] tmp___2 = __VERIFIER_nondet_int() [L411] COND TRUE \read(tmp___2) [L426] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L239] int tmp ; [L242] COND FALSE !(\read(pumpRunning)) [L257] CALL processEnvironment__wrappee__lowWaterSensor() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] RET, FCALL processEnvironment__wrappee__base() [L257] RET processEnvironment__wrappee__lowWaterSensor() [L193] processEnvironment() [L199] CALL __utac_acc__Specification3_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L141] int tmp___1 ; [L145] CALL, EXPR isMethaneLevelCritical() [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] RET return (retValue_acc); [L145] EXPR isMethaneLevelCritical() [L145] tmp = isMethaneLevelCritical() [L147] COND FALSE !(\read(tmp)) [L151] CALL, EXPR getWaterLevel() [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] RET return (retValue_acc); [L151] EXPR getWaterLevel() [L151] tmp___0 = getWaterLevel() [L153] COND FALSE, RET !(tmp___0 == 2) [L199] RET __utac_acc__Specification3_spec__1() [L426] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...