./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_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_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:03:04,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:03:04,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:03:05,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:03:05,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:03:05,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:03:05,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:03:05,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:03:05,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:03:05,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:03:05,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:03:05,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:03:05,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:03:05,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:03:05,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:03:05,012 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:03:05,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:03:05,014 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:03:05,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:03:05,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:03:05,017 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:03:05,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:03:05,020 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:03:05,020 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:03:05,020 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:03:05,021 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:03:05,022 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:03:05,022 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:03:05,023 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:03:05,024 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:03:05,024 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:03:05,024 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:03:05,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:03:05,025 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:03:05,025 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:03:05,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:03:05,026 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:03:05,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:03:05,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:03:05,039 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:03:05,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:03:05,040 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:03:05,040 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:03:05,040 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:03:05,040 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:03:05,040 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:03:05,040 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:03:05,041 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:03:05,041 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:03:05,042 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:03:05,043 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:03:05,043 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:03:05,043 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:03:05,043 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:03:05,043 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:03:05,043 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:03:05,044 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:03:05,044 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_95084563-c170-43c0-8de2-9e387fe530f6/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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2018-11-18 10:03:05,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:03:05,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:03:05,081 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:03:05,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:03:05,082 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:03:05,083 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-11-18 10:03:05,120 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/data/e4073d6a7/c0dcfdbcdea04359bf157575ffebc34d/FLAGcb41d7e0a [2018-11-18 10:03:05,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:03:05,461 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-11-18 10:03:05,469 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/data/e4073d6a7/c0dcfdbcdea04359bf157575ffebc34d/FLAGcb41d7e0a [2018-11-18 10:03:05,478 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/data/e4073d6a7/c0dcfdbcdea04359bf157575ffebc34d [2018-11-18 10:03:05,480 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:03:05,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:03:05,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:05,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:03:05,484 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:03:05,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,486 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 10:03:05, skipping insertion in model container [2018-11-18 10:03:05,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:03:05,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:03:05,699 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:05,708 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:03:05,805 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:03:05,820 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:03:05,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05 WrapperNode [2018-11-18 10:03:05,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:03:05,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:05,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:03:05,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:03:05,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:03:05,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:03:05,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:03:05,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:03:05,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... [2018-11-18 10:03:05,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:03:05,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:03:05,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:03:05,879 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:03:05,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/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 10:03:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:03:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:03:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:03:06,370 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:03:06,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:06 BoogieIcfgContainer [2018-11-18 10:03:06,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:03:06,371 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:03:06,371 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:03:06,374 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:03:06,375 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:03:06,375 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:03:05" (1/3) ... [2018-11-18 10:03:06,376 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17fc94ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:03:06, skipping insertion in model container [2018-11-18 10:03:06,376 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:03:06,376 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:03:05" (2/3) ... [2018-11-18 10:03:06,377 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17fc94ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:03:06, skipping insertion in model container [2018-11-18 10:03:06,377 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:03:06,377 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:06" (3/3) ... [2018-11-18 10:03:06,378 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-11-18 10:03:06,409 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:03:06,410 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:03:06,410 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:03:06,410 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:03:06,410 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:03:06,410 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:03:06,410 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:03:06,410 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:03:06,410 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:03:06,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 10:03:06,443 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 10:03:06,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:03:06,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:03:06,450 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:06,450 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 10:03:06,451 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:03:06,451 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states. [2018-11-18 10:03:06,455 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2018-11-18 10:03:06,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:03:06,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:03:06,456 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:06,456 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 10:03:06,460 INFO L794 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 86#L74true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 27#L67true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 82#L82true main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 45#L174true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 14#L150true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 73#L754-3true [2018-11-18 10:03:06,461 INFO L796 eck$LassoCheckResult]: Loop: 73#L754-3true assume true; 69#L754-1true assume !false; 19#L755true assume test_~splverifierCounter~0 < 4; 102#L756true test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 9#L764true assume !(0 != test_~tmp~6); 10#L764-2true test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 43#L774true assume !(0 != test_~tmp___0~1); 30#L774-2true test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 94#L784true assume 0 != test_~tmp___2~0; 51#L790-2true assume { :begin_inline_timeShift } true; 56#L603true assume !(0 != ~pumpRunning~0); 46#L603-2true assume !(0 != ~systemActive~0); 3#L610-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 36#L854-1true __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 4#L566true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 92#L572-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 32#L620true assume { :end_inline_timeShift } true; 73#L754-3true [2018-11-18 10:03:06,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:06,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:03:06,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:06,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:06,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:06,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:06,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:06,615 INFO L82 PathProgramCache]: Analyzing trace with hash 820248005, now seen corresponding path program 1 times [2018-11-18 10:03:06,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:06,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:06,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:06,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:06,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:06,626 INFO L82 PathProgramCache]: Analyzing trace with hash -111433599, now seen corresponding path program 1 times [2018-11-18 10:03:06,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:06,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:06,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:06,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:06,724 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 10:03:06,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:06,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:03:06,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:03:06,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:03:06,805 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 6 states. [2018-11-18 10:03:06,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:06,979 INFO L93 Difference]: Finished difference Result 275 states and 350 transitions. [2018-11-18 10:03:06,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 10:03:06,982 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 350 transitions. [2018-11-18 10:03:06,994 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 177 [2018-11-18 10:03:07,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 245 states and 320 transitions. [2018-11-18 10:03:07,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 245 [2018-11-18 10:03:07,002 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 245 [2018-11-18 10:03:07,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 245 states and 320 transitions. [2018-11-18 10:03:07,003 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:03:07,004 INFO L705 BuchiCegarLoop]: Abstraction has 245 states and 320 transitions. [2018-11-18 10:03:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states and 320 transitions. [2018-11-18 10:03:07,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 155. [2018-11-18 10:03:07,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 10:03:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2018-11-18 10:03:07,036 INFO L728 BuchiCegarLoop]: Abstraction has 155 states and 203 transitions. [2018-11-18 10:03:07,036 INFO L608 BuchiCegarLoop]: Abstraction has 155 states and 203 transitions. [2018-11-18 10:03:07,036 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:03:07,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 203 transitions. [2018-11-18 10:03:07,038 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2018-11-18 10:03:07,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:03:07,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:03:07,039 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:07,040 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:07,040 INFO L794 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 421#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 476#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 469#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 470#L174 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 451#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 452#L754-3 [2018-11-18 10:03:07,040 INFO L796 eck$LassoCheckResult]: Loop: 452#L754-3 assume true; 453#L754-1 assume !false; 454#L755 assume test_~splverifierCounter~0 < 4; 477#L756 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 429#L764 assume !(0 != test_~tmp~6); 431#L764-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 436#L774 assume !(0 != test_~tmp___0~1); 428#L774-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 488#L784 assume 0 != test_~tmp___2~0; 422#L790-2 assume { :begin_inline_timeShift } true; 423#L603 assume !(0 != ~pumpRunning~0); 401#L603-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 402#L635 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 479#L627-1 assume { :end_inline_processEnvironment__wrappee__base } true; 432#L635-1 assume { :end_inline_processEnvironment } true; 406#L610-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 407#L854-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 409#L566 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 410#L572-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 486#L620 assume { :end_inline_timeShift } true; 452#L754-3 [2018-11-18 10:03:07,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:03:07,041 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,041 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:07,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,088 INFO L82 PathProgramCache]: Analyzing trace with hash -794618446, now seen corresponding path program 1 times [2018-11-18 10:03:07,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,089 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:03:07,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1852350838, now seen corresponding path program 1 times [2018-11-18 10:03:07,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:07,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:03:07,173 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 10:03:07,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:03:07,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:03:07,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:03:07,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:03:07,252 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-18 10:03:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:03:07,442 INFO L93 Difference]: Finished difference Result 527 states and 693 transitions. [2018-11-18 10:03:07,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:03:07,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 527 states and 693 transitions. [2018-11-18 10:03:07,448 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 398 [2018-11-18 10:03:07,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 527 states to 527 states and 693 transitions. [2018-11-18 10:03:07,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 527 [2018-11-18 10:03:07,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 527 [2018-11-18 10:03:07,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 527 states and 693 transitions. [2018-11-18 10:03:07,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:03:07,455 INFO L705 BuchiCegarLoop]: Abstraction has 527 states and 693 transitions. [2018-11-18 10:03:07,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states and 693 transitions. [2018-11-18 10:03:07,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 303. [2018-11-18 10:03:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-11-18 10:03:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 391 transitions. [2018-11-18 10:03:07,470 INFO L728 BuchiCegarLoop]: Abstraction has 303 states and 391 transitions. [2018-11-18 10:03:07,470 INFO L608 BuchiCegarLoop]: Abstraction has 303 states and 391 transitions. [2018-11-18 10:03:07,470 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 10:03:07,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 303 states and 391 transitions. [2018-11-18 10:03:07,472 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 224 [2018-11-18 10:03:07,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:03:07,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:03:07,473 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:03:07,473 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 10:03:07,473 INFO L794 eck$LassoCheckResult]: Stem: 1152#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 110];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 102];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 44];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 80];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 117];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 109];#memory_int := #memory_int[#t~string49.base,4 + #t~string49.offset := 112];#memory_int := #memory_int[#t~string49.base,5 + #t~string49.offset := 58];#memory_int := #memory_int[#t~string49.base,6 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 110];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 102];#memory_int := #memory_int[#t~string53.base,3 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 41];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 32];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 10];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(13);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 44];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 77];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 101];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 116];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 104];#memory_int := #memory_int[#t~string65.base,5 + #t~string65.offset := 58];#memory_int := #memory_int[#t~string65.base,6 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 67];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 82];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 73];#memory_int := #memory_int[#t~string67.base,3 + #t~string67.offset := 84];#memory_int := #memory_int[#t~string67.base,4 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 79];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 75];#memory_int := #memory_int[#t~string69.base,2 + #t~string69.offset := 0];call #t~string71.base, #t~string71.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string71.base,#t~string71.offset := 41];#memory_int := #memory_int[#t~string71.base,1 + #t~string71.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret1, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 1121#L74 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1183#L67 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1175#L82 main_#t~ret1 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret1;havoc main_#t~ret1; 1176#L174 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 1155#L150 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_#t~nondet61, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1156#L754-3 [2018-11-18 10:03:07,474 INFO L796 eck$LassoCheckResult]: Loop: 1156#L754-3 assume true; 1341#L754-1 assume !false; 1339#L755 assume test_~splverifierCounter~0 < 4; 1340#L756 test_~tmp~6 := test_#t~nondet58;havoc test_#t~nondet58; 1132#L764 assume !(0 != test_~tmp~6); 1134#L764-2 test_~tmp___0~1 := test_#t~nondet59;havoc test_#t~nondet59; 1141#L774 assume !(0 != test_~tmp___0~1); 1129#L774-2 test_~tmp___2~0 := test_#t~nondet60;havoc test_#t~nondet60; 1200#L784 assume 0 != test_~tmp___2~0; 1147#L790-2 assume { :begin_inline_timeShift } true; 1401#L603 assume !(0 != ~pumpRunning~0); 1101#L603-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1102#L635 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1191#L627-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1131#L635-1 assume { :end_inline_processEnvironment } true; 1229#L610-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_#t~ret39, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 1352#L854-1 __utac_acc__Specification3_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1351#L566 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1350#L886 __utac_acc__Specification3_spec__1_#t~ret38 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret38;havoc __utac_acc__Specification3_spec__1_#t~ret38; 1348#L572 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 1346#L572-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1345#L620 assume { :end_inline_timeShift } true; 1156#L754-3 [2018-11-18 10:03:07,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 10:03:07,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:07,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,507 INFO L82 PathProgramCache]: Analyzing trace with hash 877103557, now seen corresponding path program 1 times [2018-11-18 10:03:07,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,508 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:03:07,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:03:07,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1993946249, now seen corresponding path program 1 times [2018-11-18 10:03:07,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:03:07,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:03:07,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:03:07,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:03:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:03:38,132 WARN L180 SmtUtils]: Spent 30.52 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:03:55,003 WARN L180 SmtUtils]: Spent 16.87 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:03:55,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:03:55 BoogieIcfgContainer [2018-11-18 10:03:55,089 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:03:55,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:03:55,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:03:55,090 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:03:55,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:03:06" (3/4) ... [2018-11-18 10:03:55,094 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:03:55,132 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_95084563-c170-43c0-8de2-9e387fe530f6/bin-2019/uautomizer/witness.graphml [2018-11-18 10:03:55,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:03:55,133 INFO L168 Benchmark]: Toolchain (without parser) took 49652.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.9 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -306.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:03:55,133 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:03:55,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:55,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:03:55,134 INFO L168 Benchmark]: Boogie Preprocessor took 23.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:55,134 INFO L168 Benchmark]: RCFGBuilder took 492.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:55,135 INFO L168 Benchmark]: BuchiAutomizer took 48718.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -172.5 MB). Peak memory consumption was 310.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:55,135 INFO L168 Benchmark]: Witness Printer took 42.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:03:55,137 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48718.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 98.0 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -172.5 MB). Peak memory consumption was 310.1 MB. Max. memory is 11.5 GB. * Witness Printer took 42.09 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 303 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 48.1s. 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, 314 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 303 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 302 SDtfs, 915 SDslu, 1248 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: 754]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42717c95=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32830b29=0, "Off"=0, ") "=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d7bf922=0, "Env(Water:%i"=0, retValue_acc=0, ")"=40, "On"=0, "Env(Water:%i"=31, "Pump(System:"=0, methaneLevelCritical=0, ",Meth:"=0, "OK"=0, "libacc.c"=14, tmp=0, "CRIT"=0, tmp___1=0, "i > 0 && i <= this->argsCount"=18, "i > 0 && i <= this->argsCount"=22, tmp___0=1, "i > 0 && i <= this->argsCount"=26, cleanupTimeShifts=4, "__utac__get_this_argtype"=12, "__utac__get_this_arg"=19, "__utac__get_this_argtype"=16, tmp=0, "On"=11, "Off"=35, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, NULL=0, systemActive=1, waterLevel=1, "OK"=39, \result=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7baa05e=0, retValue_acc=0, ",Pump:"=0, "Off"=38, ") "=0, "\n"=0, "Off"=0, \result=1, head=0, pumpRunning=0, tmp=1, ",Pump:"=37, "\n"=28, \result=0, "libacc.c"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d4bd6a=0, "libacc.c"=0, "On"=0, "__utac__get_this_argtype"=0, "CRIT"=33, "__utac__get_this_arg"=23, ")"=0, retValue_acc=1, retValue_acc=1, tmp___2=165, "libacc.c"=17, tmp___0=0, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@294b19f9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@689e9d23=0, tmp___1=0, head=0, tmp=0, "libacc.c"=20, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=15, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd2da3d=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b54e1f=165, "__utac__get_this_arg"=0, "Pump(System:"=8, ",Meth:"=29, "On"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 754]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L485] FCALL "i > 0 && i <= this->argsCount" [L485] FCALL "libacc.c" [L486] FCALL "__utac__get_this_arg" [L492] FCALL "i > 0 && i <= this->argsCount" [L492] FCALL "libacc.c" [L493] FCALL "__utac__get_this_arg" [L531] FCALL "i > 0 && i <= this->argsCount" [L531] FCALL "libacc.c" [L532] FCALL "__utac__get_this_argtype" [L538] FCALL "i > 0 && i <= this->argsCount" [L538] FCALL "libacc.c" [L539] FCALL "__utac__get_this_argtype" [L697] FCALL "Pump(System:" [L701] FCALL "On" [L705] FCALL "Off" [L709] FCALL ",Pump:" [L713] FCALL "On" [L717] FCALL "Off" [L721] FCALL ") " [L723] FCALL "\n" [L863] FCALL "Env(Water:%i" [L864] FCALL ",Meth:" [L868] FCALL "CRIT" [L872] FCALL "OK" [L876] FCALL ")" [L87] int cleanupTimeShifts = 4; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L165] int retValue_acc ; [L166] int tmp ; [L170] FCALL select_helpers() [L171] FCALL select_features() [L172] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] RET return (retValue_acc); [L172] EXPR valid_product() [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) [L176] FCALL setup() [L177] CALL runTest() [L159] CALL test() [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 Loop: [L754] COND TRUE 1 [L756] COND TRUE splverifierCounter < 4 [L762] tmp = __VERIFIER_nondet_int() [L764] COND FALSE !(\read(tmp)) [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) [L799] CALL timeShift() [L603] COND FALSE !(\read(pumpRunning)) [L610] COND TRUE \read(systemActive) [L612] CALL processEnvironment() [L632] int tmp ; [L635] COND FALSE !(\read(pumpRunning)) [L650] RET, FCALL processEnvironment__wrappee__base() [L612] processEnvironment() [L618] CALL __utac_acc__Specification3_spec__1() [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; [L564] CALL, EXPR isMethaneLevelCritical() [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] RET return (retValue_acc); [L564] EXPR isMethaneLevelCritical() [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L570] CALL, EXPR getWaterLevel() [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] RET return (retValue_acc); [L570] EXPR getWaterLevel() [L570] tmp___0 = getWaterLevel() [L572] COND FALSE, RET !(tmp___0 == 2) [L618] RET __utac_acc__Specification3_spec__1() [L799] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...