./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 5a35b365de7365eb1088366c2b8165f4a523d787 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-29 00:00:09,004 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:00:09,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:00:09,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:00:09,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:00:09,024 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:00:09,028 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:00:09,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:00:09,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:00:09,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:00:09,038 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:00:09,039 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:00:09,040 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:00:09,041 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:00:09,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:00:09,052 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:00:09,052 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:00:09,054 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:00:09,056 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:00:09,057 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:00:09,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:00:09,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:00:09,064 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:00:09,064 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:00:09,065 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:00:09,065 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:00:09,066 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:00:09,070 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:00:09,071 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:00:09,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:00:09,075 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:00:09,076 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:00:09,076 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:00:09,076 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:00:09,079 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:00:09,079 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:00:09,081 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:00:09,108 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:00:09,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:00:09,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:00:09,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:00:09,112 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:00:09,113 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:00:09,113 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:00:09,113 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:00:09,113 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:00:09,113 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:00:09,114 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:00:09,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:00:09,114 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:00:09,114 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:00:09,114 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:00:09,114 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:00:09,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:00:09,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:00:09,117 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:00:09,117 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:00:09,117 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:00:09,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:00:09,118 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:00:09,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:00:09,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:00:09,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:00:09,118 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:00:09,120 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:00:09,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:00:09,121 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:00:09,121 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:00:09,122 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:00:09,123 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2018-11-29 00:00:09,195 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:00:09,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:00:09,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:00:09,219 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:00:09,220 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:00:09,220 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:09,276 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa855501/7e8d0feba5d8426e85c7f1c68e641ae5/FLAG450fadb63 [2018-11-29 00:00:09,830 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:00:09,831 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:09,847 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa855501/7e8d0feba5d8426e85c7f1c68e641ae5/FLAG450fadb63 [2018-11-29 00:00:10,087 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fa855501/7e8d0feba5d8426e85c7f1c68e641ae5 [2018-11-29 00:00:10,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:00:10,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:00:10,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:00:10,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:00:10,097 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:00:10,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787a80ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10, skipping insertion in model container [2018-11-29 00:00:10,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:00:10,184 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:00:10,589 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:00:10,610 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:00:10,732 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:00:10,849 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:00:10,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10 WrapperNode [2018-11-29 00:00:10,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:00:10,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:00:10,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:00:10,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:00:10,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:00:10,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:00:10,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:00:10,937 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:00:10,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:10,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... [2018-11-29 00:00:11,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:00:11,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:00:11,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:00:11,008 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:00:11,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-29 00:00:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-29 00:00:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-29 00:00:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:00:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:00:12,562 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:00:12,563 INFO L280 CfgBuilder]: Removed 196 assue(true) statements. [2018-11-29 00:00:12,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:12 BoogieIcfgContainer [2018-11-29 00:00:12,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:00:12,564 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:00:12,564 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:00:12,567 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:00:12,569 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:12,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:00:10" (1/3) ... [2018-11-29 00:00:12,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d60706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:00:12, skipping insertion in model container [2018-11-29 00:00:12,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:12,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:00:10" (2/3) ... [2018-11-29 00:00:12,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d60706a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:00:12, skipping insertion in model container [2018-11-29 00:00:12,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:00:12,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:12" (3/3) ... [2018-11-29 00:00:12,573 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59_true-unreach-call_false-termination.cil.c [2018-11-29 00:00:12,627 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:00:12,627 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:00:12,627 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:00:12,628 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:00:12,628 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:00:12,628 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:00:12,628 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:00:12,628 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:00:12,628 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:00:12,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2018-11-29 00:00:12,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2018-11-29 00:00:12,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:12,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:12,698 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:00:12,698 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:12,699 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:00:12,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2018-11-29 00:00:12,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2018-11-29 00:00:12,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:12,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:12,710 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:00:12,710 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:12,720 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 14#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 17#L65true 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; 12#L73true main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 55#L499true assume 0 != main_~tmp~7; 126#L476true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L89-1true [2018-11-29 00:00:12,721 INFO L796 eck$LassoCheckResult]: Loop: 61#L89-1true assume !false; 135#L123true assume test_~splverifierCounter~0 < 4; 88#L124true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 129#L132true assume !(0 != test_~tmp~1); 127#L132-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 27#L142true assume !(0 != test_~tmp___0~1); 24#L142-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 81#L152true assume 0 != test_~tmp___2~0; 30#L158-1true assume !(0 != ~pumpRunning~0); 38#L194true assume !(0 != ~systemActive~0); 98#L201true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 9#L588true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 63#L89true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 61#L89-1true [2018-11-29 00:00:12,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:12,737 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-29 00:00:12,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:12,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:12,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:12,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:12,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:13,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1670509173, now seen corresponding path program 1 times [2018-11-29 00:00:13,093 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:13,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:13,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:13,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:13,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:13,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:13,112 INFO L82 PathProgramCache]: Analyzing trace with hash 43769765, now seen corresponding path program 1 times [2018-11-29 00:00:13,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:13,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:13,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:13,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:13,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:00:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:00:13,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:00:13,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-29 00:00:13,721 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-29 00:00:13,900 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-29 00:00:13,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-29 00:00:13,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-29 00:00:13,936 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 6 states. [2018-11-29 00:00:14,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:00:14,317 INFO L93 Difference]: Finished difference Result 312 states and 444 transitions. [2018-11-29 00:00:14,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-29 00:00:14,320 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 444 transitions. [2018-11-29 00:00:14,344 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 201 [2018-11-29 00:00:14,366 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 291 states and 423 transitions. [2018-11-29 00:00:14,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-29 00:00:14,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-29 00:00:14,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 423 transitions. [2018-11-29 00:00:14,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:00:14,380 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 423 transitions. [2018-11-29 00:00:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 423 transitions. [2018-11-29 00:00:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 168. [2018-11-29 00:00:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-11-29 00:00:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 243 transitions. [2018-11-29 00:00:14,454 INFO L728 BuchiCegarLoop]: Abstraction has 168 states and 243 transitions. [2018-11-29 00:00:14,454 INFO L608 BuchiCegarLoop]: Abstraction has 168 states and 243 transitions. [2018-11-29 00:00:14,454 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:00:14,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 243 transitions. [2018-11-29 00:00:14,461 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2018-11-29 00:00:14,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:14,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:14,462 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:00:14,462 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-29 00:00:14,463 INFO L794 eck$LassoCheckResult]: Stem: 586#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 490#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 491#L65 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; 486#L73 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 487#L499 assume 0 != main_~tmp~7; 546#L476 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 549#L89-1 [2018-11-29 00:00:14,463 INFO L796 eck$LassoCheckResult]: Loop: 549#L89-1 assume !false; 550#L123 assume test_~splverifierCounter~0 < 4; 571#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 572#L132 assume !(0 != test_~tmp~1); 588#L132-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 514#L142 assume !(0 != test_~tmp___0~1); 507#L142-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 508#L152 assume 0 != test_~tmp___2~0; 520#L158-1 assume !(0 != ~pumpRunning~0); 502#L194 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 477#L252 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 479#L226-1 assume !(0 == ~pumpRunning~0); 470#L201 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 480#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 481#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 549#L89-1 [2018-11-29 00:00:14,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:14,464 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-29 00:00:14,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:14,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:14,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:14,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:14,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:14,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:14,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1972735892, now seen corresponding path program 1 times [2018-11-29 00:00:14,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:14,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:14,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:14,559 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-29 00:00:14,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:00:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:00:14,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-29 00:00:14,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-29 00:00:14,621 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-29 00:00:14,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-29 00:00:14,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-29 00:00:14,622 INFO L87 Difference]: Start difference. First operand 168 states and 243 transitions. cyclomatic complexity: 78 Second operand 3 states. [2018-11-29 00:00:15,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-29 00:00:15,197 INFO L93 Difference]: Finished difference Result 207 states and 283 transitions. [2018-11-29 00:00:15,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-29 00:00:15,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 283 transitions. [2018-11-29 00:00:15,201 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2018-11-29 00:00:15,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 283 transitions. [2018-11-29 00:00:15,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2018-11-29 00:00:15,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2018-11-29 00:00:15,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 283 transitions. [2018-11-29 00:00:15,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:00:15,212 INFO L705 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2018-11-29 00:00:15,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 283 transitions. [2018-11-29 00:00:15,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-11-29 00:00:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-29 00:00:15,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 283 transitions. [2018-11-29 00:00:15,238 INFO L728 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2018-11-29 00:00:15,238 INFO L608 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2018-11-29 00:00:15,238 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-29 00:00:15,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 283 transitions. [2018-11-29 00:00:15,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2018-11-29 00:00:15,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:00:15,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:00:15,246 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-29 00:00:15,246 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] [2018-11-29 00:00:15,249 INFO L794 eck$LassoCheckResult]: Stem: 979#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.alloc(13);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.alloc(13);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25); 868#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 869#L65 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; 864#L73 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 865#L499 assume 0 != main_~tmp~7; 929#L476 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 982#L89-1 [2018-11-29 00:00:15,249 INFO L796 eck$LassoCheckResult]: Loop: 982#L89-1 assume !false; 1028#L123 assume test_~splverifierCounter~0 < 4; 958#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 959#L132 assume !(0 != test_~tmp~1); 981#L132-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 892#L142 assume !(0 != test_~tmp___0~1); 885#L142-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 886#L152 assume 0 != test_~tmp___2~0; 898#L158-1 assume !(0 != ~pumpRunning~0); 899#L194 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 856#L252 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 857#L226-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 872#L596-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 873#L601-1 isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; 916#L372-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 949#L372-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 910#L378-1 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 849#L230-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 850#L201 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 968#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1029#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 982#L89-1 [2018-11-29 00:00:15,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:15,250 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-29 00:00:15,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:15,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:15,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:15,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:15,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:15,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1765215488, now seen corresponding path program 1 times [2018-11-29 00:00:15,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:15,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:15,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,349 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-29 00:00:15,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:15,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:00:15,378 INFO L82 PathProgramCache]: Analyzing trace with hash -1309144294, now seen corresponding path program 1 times [2018-11-29 00:00:15,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:00:15,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:00:15,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:00:15,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:00:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:00:16,129 WARN L180 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-29 00:00:21,005 WARN L180 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-29 00:00:22,884 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-29 00:00:22,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:00:22 BoogieIcfgContainer [2018-11-29 00:00:22,951 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:00:22,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:00:22,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:00:22,952 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:00:22,953 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:00:12" (3/4) ... [2018-11-29 00:00:22,958 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-29 00:00:23,040 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-29 00:00:23,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:00:23,042 INFO L168 Benchmark]: Toolchain (without parser) took 12950.74 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.0 MB). Free memory was 948.7 MB in the beginning and 916.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 335.4 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,043 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:00:23,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,046 INFO L168 Benchmark]: Boogie Preprocessor took 69.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,046 INFO L168 Benchmark]: RCFGBuilder took 1556.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,048 INFO L168 Benchmark]: BuchiAutomizer took 10386.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 143.8 MB). Peak memory consumption was 329.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,048 INFO L168 Benchmark]: Witness Printer took 89.65 ms. Allocated memory is still 1.3 GB. Free memory was 925.4 MB in the beginning and 916.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2018-11-29 00:00:23,053 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 757.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -192.4 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1556.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10386.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 155.7 MB). Free memory was 1.1 GB in the beginning and 925.4 MB in the end (delta: 143.8 MB). Peak memory consumption was 329.1 MB. Max. memory is 11.5 GB. * Witness Printer took 89.65 ms. Allocated memory is still 1.3 GB. Free memory was 925.4 MB in the beginning and 916.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.0s. Construction of modules took 0.7s. 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, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 358 SDtfs, 863 SDslu, 860 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 122]: 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, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6de048d2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3be3a5e8=56, NULL=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@343abc28=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bc04a4d=0, NULL=0, NULL=0, NULL=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2357964=0, NULL=22, methaneLevelCritical=0, NULL=15, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=38, NULL=28, NULL=0, tmp___1=0, NULL=14, tmp___0=0, NULL=39, cleanupTimeShifts=4, tmp=0, NULL=37, tmp=0, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e7c18ce=0, NULL=0, systemActive=1, waterLevel=1, NULL=11, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b3e646a=0, NULL=0, NULL=18, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@227d2c46=0, NULL=12, \result=0, NULL=16, NULL=0, \result=1, retValue_acc=1, NULL=31, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6069de26=0, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=19, \result=1, NULL=36, NULL=27, tmp=1, NULL=26, NULL=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dec5cc2=0, retValue_acc=1, tmp___2=56, tmp=1, tmp___0=0, NULL=29, splverifierCounter=0, NULL=0, NULL=8, NULL=20, tmp=0, head=0, NULL=0, NULL=33, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17, NULL=0, NULL=0, NULL=23} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L417] int cleanupTimeShifts = 4; [L513] int waterLevel = 1; [L514] int methaneLevelCritical = 0; [L794] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int retValue_acc ; [L491] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L497] tmp = valid_product() [L499] COND TRUE \read(tmp) [L113] int splverifierCounter ; [L114] int tmp ; [L115] int tmp___0 ; [L116] int tmp___1 ; [L117] int tmp___2 ; [L120] splverifierCounter = 0 Loop: [L122] COND TRUE 1 [L124] COND TRUE splverifierCounter < 4 [L130] tmp = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp)) [L140] tmp___0 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___0)) [L150] tmp___2 = __VERIFIER_nondet_int() [L152] COND TRUE \read(tmp___2) [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L249] int tmp ; [L252] COND FALSE !(\read(pumpRunning)) [L223] int tmp ; [L226] COND TRUE ! pumpRunning [L364] int retValue_acc ; [L365] int tmp ; [L366] int tmp___0 ; [L593] int retValue_acc ; [L596] COND TRUE waterLevel < 2 [L597] retValue_acc = 1 [L598] return (retValue_acc); [L370] tmp = isHighWaterSensorDry() [L372] COND TRUE \read(tmp) [L373] tmp___0 = 0 [L377] retValue_acc = tmp___0 [L378] return (retValue_acc); [L228] tmp = isHighWaterLevel() [L230] COND FALSE !(\read(tmp)) [L82] int tmp ; [L83] int tmp___0 ; [L584] int retValue_acc ; [L587] retValue_acc = waterLevel [L588] return (retValue_acc); [L87] tmp = getWaterLevel() [L89] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...