./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_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_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/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 c4608a8062f27af1fb75c6b614ba3695c40f562a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:20:37,103 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:20:37,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:20:37,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:20:37,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:20:37,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:20:37,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:20:37,117 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:20:37,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:20:37,119 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:20:37,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:20:37,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:20:37,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:20:37,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:20:37,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:20:37,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:20:37,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:20:37,126 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:20:37,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:20:37,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:20:37,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:20:37,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:20:37,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:20:37,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:20:37,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:20:37,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:20:37,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:20:37,138 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:20:37,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:20:37,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:20:37,141 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:20:37,141 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:20:37,142 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:20:37,142 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:20:37,143 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:20:37,143 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:20:37,144 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:20:37,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:20:37,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:20:37,158 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:20:37,158 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:20:37,159 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:20:37,159 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:20:37,159 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:20:37,159 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:20:37,159 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:20:37,159 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:20:37,160 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:20:37,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:20:37,160 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:20:37,160 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:20:37,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:20:37,161 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:20:37,162 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:20:37,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:20:37,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:20:37,163 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:20:37,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:20:37,163 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:20:37,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:20:37,163 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:20:37,163 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:20:37,164 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:20:37,164 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_54267e8f-4909-43ed-a420-bcb564504a40/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 -> c4608a8062f27af1fb75c6b614ba3695c40f562a [2018-11-18 11:20:37,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:20:37,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:20:37,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:20:37,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:20:37,204 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:20:37,204 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-11-18 11:20:37,245 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/data/fa336b47a/d0ce5496ee384002873764955a172876/FLAG96f071366 [2018-11-18 11:20:37,701 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:20:37,702 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/sv-benchmarks/c/product-lines/minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-11-18 11:20:37,718 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/data/fa336b47a/d0ce5496ee384002873764955a172876/FLAG96f071366 [2018-11-18 11:20:38,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/data/fa336b47a/d0ce5496ee384002873764955a172876 [2018-11-18 11:20:38,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:20:38,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:20:38,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:20:38,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:20:38,235 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:20:38,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:38,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@249d3f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38, skipping insertion in model container [2018-11-18 11:20:38,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:38,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:20:38,288 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:20:38,512 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:20:38,524 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:20:38,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:20:38,866 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:20:38,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38 WrapperNode [2018-11-18 11:20:38,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:20:38,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:20:38,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:20:38,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:20:38,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:38,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:20:39,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:20:39,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:20:39,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:20:39,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... [2018-11-18 11:20:39,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:20:39,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:20:39,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:20:39,123 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:20:39,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/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 11:20:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:20:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:20:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:20:39,994 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:20:39,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:39 BoogieIcfgContainer [2018-11-18 11:20:39,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:20:39,995 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:20:39,995 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:20:39,998 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:20:39,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:20:39,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:20:38" (1/3) ... [2018-11-18 11:20:40,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c50829d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:20:40, skipping insertion in model container [2018-11-18 11:20:40,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:20:40,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:20:38" (2/3) ... [2018-11-18 11:20:40,001 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c50829d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:20:40, skipping insertion in model container [2018-11-18 11:20:40,001 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:20:40,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:39" (3/3) ... [2018-11-18 11:20:40,003 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product26_false-unreach-call_false-termination.cil.c [2018-11-18 11:20:40,039 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:20:40,040 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:20:40,041 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:20:40,041 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:20:40,041 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:20:40,042 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:20:40,042 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:20:40,042 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:20:40,042 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:20:40,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 11:20:40,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 11:20:40,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:20:40,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:20:40,094 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:40,095 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:40,095 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:20:40,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states. [2018-11-18 11:20:40,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 11:20:40,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:20:40,101 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:20:40,101 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:40,101 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:40,107 INFO L794 eck$LassoCheckResult]: Stem: 90#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 34#L166true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 109#L159true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 61#L174true main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 56#L130true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 14#L103true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L841-3true [2018-11-18 11:20:40,107 INFO L796 eck$LassoCheckResult]: Loop: 13#L841-3true assume true; 9#L841-1true assume !false; 97#L842true assume test_~splverifierCounter~0 < 4; 50#L843true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 53#L851true assume !(0 != test_~tmp~7); 57#L851-2true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 101#L861true assume !(0 != test_~tmp___0~1); 104#L861-2true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 26#L871true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet70;havoc test_#t~nondet70; 48#L879true assume 0 != test_~tmp___1~0; 35#L879-2true assume { :begin_inline_timeShift } true; 99#L660true assume !(0 != ~pumpRunning~0); 102#L660-2true assume !(0 != ~systemActive~0); 47#L667-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 30#L227true __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 19#L907true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 112#L913-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 92#L677true assume { :end_inline_timeShift } true; 13#L841-3true [2018-11-18 11:20:40,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:40,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:20:40,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:40,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:40,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:40,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:40,376 INFO L82 PathProgramCache]: Analyzing trace with hash 835490406, now seen corresponding path program 1 times [2018-11-18 11:20:40,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:40,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:40,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:40,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:40,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2018131754, now seen corresponding path program 1 times [2018-11-18 11:20:40,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:40,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:40,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:40,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:40,546 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 11:20:40,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:20:40,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:20:40,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:20:40,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:20:40,685 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 6 states. [2018-11-18 11:20:40,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:20:40,853 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2018-11-18 11:20:40,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:20:40,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 136 transitions. [2018-11-18 11:20:40,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 11:20:40,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 98 states and 126 transitions. [2018-11-18 11:20:40,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2018-11-18 11:20:40,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2018-11-18 11:20:40,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 126 transitions. [2018-11-18 11:20:40,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:20:40,864 INFO L705 BuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2018-11-18 11:20:40,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 126 transitions. [2018-11-18 11:20:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-18 11:20:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 11:20:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2018-11-18 11:20:40,897 INFO L728 BuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2018-11-18 11:20:40,897 INFO L608 BuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2018-11-18 11:20:40,897 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:20:40,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 126 transitions. [2018-11-18 11:20:40,899 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 11:20:40,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:20:40,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:20:40,900 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:40,901 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] [2018-11-18 11:20:40,901 INFO L794 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 238#L166 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#L159 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 307#L174 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 299#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 253#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 252#L841-3 [2018-11-18 11:20:40,901 INFO L796 eck$LassoCheckResult]: Loop: 252#L841-3 assume true; 244#L841-1 assume !false; 245#L842 assume test_~splverifierCounter~0 < 4; 293#L843 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 294#L851 assume !(0 != test_~tmp~7); 257#L851-2 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 300#L861 assume !(0 != test_~tmp___0~1); 333#L861-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 269#L871 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 270#L827 assume { :end_inline_startSystem } true; 274#L879-2 assume { :begin_inline_timeShift } true; 280#L660 assume !(0 != ~pumpRunning~0); 313#L660-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 263#L692 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 258#L684-1 assume { :end_inline_processEnvironment__wrappee__base } true; 255#L692-1 assume { :end_inline_processEnvironment } true; 265#L667-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 275#L227 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 259#L907 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 260#L913-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 331#L677 assume { :end_inline_timeShift } true; 252#L841-3 [2018-11-18 11:20:40,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:40,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:20:40,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:40,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:40,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:40,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:40,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1679307831, now seen corresponding path program 1 times [2018-11-18 11:20:40,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:40,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:40,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:20:40,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:41,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:41,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1227638651, now seen corresponding path program 1 times [2018-11-18 11:20:41,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:41,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:41,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:41,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:41,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:20:41,396 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 11:20:41,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:20:41,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:20:41,819 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2018-11-18 11:20:41,923 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 11:20:41,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:20:41,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:20:41,929 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-11-18 11:20:42,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:20:42,199 INFO L93 Difference]: Finished difference Result 350 states and 454 transitions. [2018-11-18 11:20:42,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:20:42,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 454 transitions. [2018-11-18 11:20:42,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 251 [2018-11-18 11:20:42,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 350 states and 454 transitions. [2018-11-18 11:20:42,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 350 [2018-11-18 11:20:42,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 350 [2018-11-18 11:20:42,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 350 states and 454 transitions. [2018-11-18 11:20:42,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:20:42,221 INFO L705 BuchiCegarLoop]: Abstraction has 350 states and 454 transitions. [2018-11-18 11:20:42,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states and 454 transitions. [2018-11-18 11:20:42,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 189. [2018-11-18 11:20:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-18 11:20:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 241 transitions. [2018-11-18 11:20:42,241 INFO L728 BuchiCegarLoop]: Abstraction has 189 states and 241 transitions. [2018-11-18 11:20:42,241 INFO L608 BuchiCegarLoop]: Abstraction has 189 states and 241 transitions. [2018-11-18 11:20:42,241 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 11:20:42,241 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 241 transitions. [2018-11-18 11:20:42,244 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2018-11-18 11:20:42,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:20:42,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:20:42,245 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:42,245 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:20:42,245 INFO L794 eck$LassoCheckResult]: Stem: 805#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string3.base, #t~string3.offset := #Ultimate.alloc(13);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 44];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 77];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 101];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 116];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 104];#memory_int := #memory_int[#t~string5.base,5 + #t~string5.offset := 58];#memory_int := #memory_int[#t~string5.base,6 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 67];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 82];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 73];#memory_int := #memory_int[#t~string7.base,3 + #t~string7.offset := 84];#memory_int := #memory_int[#t~string7.base,4 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 75];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 41];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 703#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 704#L166 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 747#L159 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 776#L174 main_#t~ret0 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 771#L130 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 719#L103 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 716#L841-3 [2018-11-18 11:20:42,246 INFO L796 eck$LassoCheckResult]: Loop: 716#L841-3 assume true; 711#L841-1 assume !false; 712#L842 assume test_~splverifierCounter~0 < 4; 761#L843 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 762#L851 assume !(0 != test_~tmp~7); 721#L851-2 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 768#L861 assume !(0 != test_~tmp___0~1); 808#L861-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 733#L871 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 734#L827 assume { :end_inline_startSystem } true; 739#L879-2 assume { :begin_inline_timeShift } true; 746#L660 assume !(0 != ~pumpRunning~0); 785#L660-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 726#L692 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 722#L684-1 assume { :end_inline_processEnvironment__wrappee__base } true; 718#L692-1 assume { :end_inline_processEnvironment } true; 728#L667-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_#t~ret73, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 758#L227 __utac_acc__Specification3_spec__1_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 723#L907 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 724#L259 __utac_acc__Specification3_spec__1_#t~ret72 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret72;havoc __utac_acc__Specification3_spec__1_#t~ret72; 796#L913 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 849#L913-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 806#L677 assume { :end_inline_timeShift } true; 716#L841-3 [2018-11-18 11:20:42,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:42,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 11:20:42,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:42,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:42,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:42,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:42,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1094129116, now seen corresponding path program 1 times [2018-11-18 11:20:42,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:42,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:42,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,346 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:20:42,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:20:42,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1356514200, now seen corresponding path program 1 times [2018-11-18 11:20:42,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:20:42,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:20:42,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:20:42,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:20:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:20:42,829 WARN L180 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2018-11-18 11:20:43,029 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-18 11:21:43,740 WARN L180 SmtUtils]: Spent 1.01 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:22:21,705 WARN L180 SmtUtils]: Spent 37.96 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:22:21,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:22:21 BoogieIcfgContainer [2018-11-18 11:22:21,781 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:22:21,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:22:21,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:22:21,782 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:22:21,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:20:39" (3/4) ... [2018-11-18 11:22:21,785 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:22:21,828 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54267e8f-4909-43ed-a420-bcb564504a40/bin-2019/uautomizer/witness.graphml [2018-11-18 11:22:21,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:22:21,829 INFO L168 Benchmark]: Toolchain (without parser) took 103599.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 258.5 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -227.3 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,830 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:22:21,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -221.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,830 INFO L168 Benchmark]: Boogie Preprocessor took 80.80 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 11:22:21,831 INFO L168 Benchmark]: RCFGBuilder took 871.59 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,831 INFO L168 Benchmark]: BuchiAutomizer took 101786.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.9 MB). Peak memory consumption was 293.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,831 INFO L168 Benchmark]: Witness Printer took 46.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:21,833 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 635.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -221.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 871.59 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: 56.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 101786.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -66.9 MB). Peak memory consumption was 293.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 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 189 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 101.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 101.1s. 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, 161 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 189 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 312 SDtfs, 845 SDslu, 571 SDs, 0 SdLazy, 53 SolverSat, 21 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: 841]: 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, "Off"=39, ") "=0, retValue_acc=0, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "CRIT"=27, "Off"=0, ") "=29, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ")"=24, methaneLevelCritical=0, "\n"=0, "__utac__get_this_argtype"=16, "i > 0 && i <= this->argsCount"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@256cecea=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1487ca51=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@143d5351=0, "i > 0 && i <= this->argsCount"=17, cleanupTimeShifts=4, "libacc.c"=18, "libacc.c"=22, "i > 0 && i <= this->argsCount"=38, "On"=35, tmp=0, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@257f01c9=0, "__utac__get_this_argtype"=36, "Off"=0, ",Pump:"=0, "On"=0, \result=1, head=0, pumpRunning=0, tmp=1, ",Pump:"=11, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66983255=0, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2520399f=166, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2be89afa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63f09d4d=0, "Pump(System:"=0, "libacc.c"=0, "__utac__get_this_arg"=14, "Off"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@333cdd91=0, ",Meth:"=28, retValue_acc=1, tmp___2=166, retValue_acc=1, "i > 0 && i <= this->argsCount"=23, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, "On"=0, "OK"=0, "CRIT"=0, ",Meth:"=0, \result=0, "OK"=26, "On"=33, tmp___1=0, head=0, tmp=0, "__utac__get_this_arg"=20, "i > 0 && i <= this->argsCount"=0, "Env(Water:%i"=12, "libacc.c"=0, "libacc.c"=37, "libacc.c"=8, ")"=0, "\n"=15, "Pump(System:"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 841]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L236] FCALL "Env(Water:%i" [L237] FCALL ",Meth:" [L241] FCALL "CRIT" [L245] FCALL "OK" [L249] FCALL ")" [L570] FCALL "i > 0 && i <= this->argsCount" [L570] FCALL "libacc.c" [L571] FCALL "__utac__get_this_arg" [L577] FCALL "i > 0 && i <= this->argsCount" [L577] FCALL "libacc.c" [L578] FCALL "__utac__get_this_arg" [L616] FCALL "i > 0 && i <= this->argsCount" [L616] FCALL "libacc.c" [L617] FCALL "__utac__get_this_argtype" [L623] FCALL "i > 0 && i <= this->argsCount" [L623] FCALL "libacc.c" [L624] FCALL "__utac__get_this_argtype" [L772] FCALL "Pump(System:" [L776] FCALL "On" [L780] FCALL "Off" [L784] FCALL ",Pump:" [L788] FCALL "On" [L792] FCALL "Off" [L796] FCALL ") " [L798] FCALL "\n" [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] RET return (retValue_acc); [L128] EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 Loop: [L841] COND TRUE 1 [L843] COND TRUE splverifierCounter < 4 [L849] tmp = __VERIFIER_nondet_int() [L851] COND FALSE !(\read(tmp)) [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND TRUE \read(tmp___2) [L873] CALL startSystem() [L826] RET systemActive = 1 [L873] startSystem() [L886] CALL timeShift() [L660] COND FALSE !(\read(pumpRunning)) [L667] COND TRUE \read(systemActive) [L669] CALL processEnvironment() [L689] int tmp ; [L692] COND FALSE !(\read(pumpRunning)) [L707] RET, FCALL processEnvironment__wrappee__base() [L669] processEnvironment() [L675] CALL __utac_acc__Specification3_spec__1() [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; [L905] CALL, EXPR isMethaneLevelCritical() [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] RET return (retValue_acc); [L905] EXPR isMethaneLevelCritical() [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) [L911] CALL, EXPR getWaterLevel() [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] RET return (retValue_acc); [L911] EXPR getWaterLevel() [L911] tmp___0 = getWaterLevel() [L913] COND FALSE, RET !(tmp___0 == 2) [L675] RET __utac_acc__Specification3_spec__1() [L886] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...