./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b49fd66662c490ea81dc99d4f21b657b1bc3f920 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:23,977 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:23,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:23,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:23,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:23,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:23,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:23,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:23,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:24,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:24,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:24,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:24,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:24,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:24,007 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:24,010 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:24,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:24,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:24,026 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:24,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:24,029 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:24,030 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:24,033 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:24,034 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:24,035 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:24,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:24,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:24,040 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:24,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:24,043 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:24,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:24,044 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:24,046 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:24,046 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:24,047 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:24,047 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:24,048 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:24,073 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:24,073 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:24,074 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:24,074 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:24,075 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:24,075 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:24,075 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:24,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:24,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:24,076 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:24,077 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:24,077 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:24,077 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:24,077 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:24,077 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:24,077 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:24,078 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:24,078 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:24,078 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:24,078 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:24,078 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:24,078 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:24,079 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:24,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:24,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:24,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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(G ! call(__VERIFIER_error())) ) 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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-11-28 18:43:24,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:24,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:24,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:24,132 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:24,132 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:24,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:24,190 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ac0672/7a8fab6ee73d450fb3cb145c013e6ed5/FLAGac4896f19 [2018-11-28 18:43:24,700 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:24,706 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:24,723 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ac0672/7a8fab6ee73d450fb3cb145c013e6ed5/FLAGac4896f19 [2018-11-28 18:43:24,990 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4ac0672/7a8fab6ee73d450fb3cb145c013e6ed5 [2018-11-28 18:43:24,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:24,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:24,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:24,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:25,000 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:25,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:24" (1/1) ... [2018-11-28 18:43:25,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25, skipping insertion in model container [2018-11-28 18:43:25,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:24" (1/1) ... [2018-11-28 18:43:25,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:25,072 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:25,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:25,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:25,602 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:25,725 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:25,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25 WrapperNode [2018-11-28 18:43:25,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:25,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:25,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:25,727 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:25,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:25,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:25,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:25,785 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:25,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (1/1) ... [2018-11-28 18:43:25,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:25,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:25,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:25,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:25,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:25,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:25,889 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:25,890 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:25,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:25,891 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:25,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:25,895 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:25,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:25,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:25,900 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:25,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:25,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:25,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:25,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:25,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:25,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:26,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:26,947 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:26,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:26 BoogieIcfgContainer [2018-11-28 18:43:26,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:26,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:26,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:26,952 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:26,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:24" (1/3) ... [2018-11-28 18:43:26,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b91183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:26, skipping insertion in model container [2018-11-28 18:43:26,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:25" (2/3) ... [2018-11-28 18:43:26,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b91183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:26, skipping insertion in model container [2018-11-28 18:43:26,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:26" (3/3) ... [2018-11-28 18:43:26,956 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:26,967 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:26,977 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:26,997 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:27,033 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:27,034 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:27,035 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:27,035 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:27,035 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:27,035 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:27,035 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:27,035 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:27,036 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 18:43:27,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:27,073 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,078 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1500228557, now seen corresponding path program 1 times [2018-11-28 18:43:27,087 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:27,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:27,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:27,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:27,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:27,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:27,469 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 18:43:27,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:27,511 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 18:43:27,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:27,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:27,527 INFO L225 Difference]: With dead ends: 220 [2018-11-28 18:43:27,527 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:43:27,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:43:27,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:43:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:43:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 18:43:27,592 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 18:43:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:27,592 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 18:43:27,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 18:43:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:27,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,597 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,597 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,598 INFO L82 PathProgramCache]: Analyzing trace with hash -37970742, now seen corresponding path program 1 times [2018-11-28 18:43:27,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:27,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:27,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:27,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:27,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:27,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:27,758 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 18:43:27,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:27,793 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 18:43:27,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:27,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:27,798 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:43:27,801 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 18:43:27,802 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:27,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 18:43:27,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 18:43:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:43:27,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 18:43:27,822 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 18:43:27,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:27,824 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 18:43:27,824 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 18:43:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:27,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:27,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:27,827 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:27,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:27,828 INFO L82 PathProgramCache]: Analyzing trace with hash 83305199, now seen corresponding path program 1 times [2018-11-28 18:43:27,829 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:27,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:27,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:27,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:28,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:28,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:28,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:28,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:28,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:28,209 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 18:43:29,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:29,341 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 18:43:29,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:29,343 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:43:29,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:29,348 INFO L225 Difference]: With dead ends: 305 [2018-11-28 18:43:29,348 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 18:43:29,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 18:43:29,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 18:43:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:43:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 18:43:29,404 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 18:43:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:29,407 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 18:43:29,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 18:43:29,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:29,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:29,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:29,412 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:29,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1498984626, now seen corresponding path program 1 times [2018-11-28 18:43:29,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:29,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:29,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:29,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:29,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:29,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:29,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:29,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:29,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:29,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:29,618 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 6 states. [2018-11-28 18:43:30,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:30,338 INFO L93 Difference]: Finished difference Result 597 states and 746 transitions. [2018-11-28 18:43:30,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:30,341 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:30,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:30,349 INFO L225 Difference]: With dead ends: 597 [2018-11-28 18:43:30,354 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 18:43:30,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 18:43:30,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-28 18:43:30,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-28 18:43:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2018-11-28 18:43:30,444 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2018-11-28 18:43:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:30,445 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2018-11-28 18:43:30,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2018-11-28 18:43:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:30,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:30,457 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:30,457 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:30,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:30,457 INFO L82 PathProgramCache]: Analyzing trace with hash 449829746, now seen corresponding path program 1 times [2018-11-28 18:43:30,457 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:30,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:30,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:30,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:30,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:30,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:43:30,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:30,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:30,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:30,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:30,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:30,673 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 7 states. [2018-11-28 18:43:31,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:31,160 INFO L93 Difference]: Finished difference Result 661 states and 832 transitions. [2018-11-28 18:43:31,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:31,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:31,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:31,163 INFO L225 Difference]: With dead ends: 661 [2018-11-28 18:43:31,163 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:31,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:31,167 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:31,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:31,167 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:31,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:31,167 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:31,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:31,822 WARN L180 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:32,009 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 7 [2018-11-28 18:43:32,666 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 18:43:33,186 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:33,357 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:43:34,024 WARN L180 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2018-11-28 18:43:34,051 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2018-11-28 18:43:34,052 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-11-28 18:43:34,052 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-11-28 18:43:34,052 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:34,052 INFO L448 ceAbstractionStarter]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2018-11-28 18:43:34,052 INFO L444 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:34,052 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2018-11-28 18:43:34,052 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:34,053 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 796) no Hoare annotation was computed. [2018-11-28 18:43:34,053 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:34,053 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:34,053 INFO L448 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-11-28 18:43:34,053 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 801) no Hoare annotation was computed. [2018-11-28 18:43:34,053 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 18:43:34,053 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 18:43:34,053 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2018-11-28 18:43:34,053 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2018-11-28 18:43:34,054 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:43:34,054 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 18:43:34,054 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 18:43:34,054 INFO L448 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:43:34,054 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,054 INFO L444 ceAbstractionStarter]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,054 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,055 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 702) no Hoare annotation was computed. [2018-11-28 18:43:34,055 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2018-11-28 18:43:34,055 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2018-11-28 18:43:34,055 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 692) no Hoare annotation was computed. [2018-11-28 18:43:34,055 INFO L444 ceAbstractionStarter]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,055 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,055 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2018-11-28 18:43:34,055 INFO L444 ceAbstractionStarter]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,056 INFO L448 ceAbstractionStarter]: For program point L687(lines 686 733) no Hoare annotation was computed. [2018-11-28 18:43:34,059 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 729) no Hoare annotation was computed. [2018-11-28 18:43:34,059 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,059 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2018-11-28 18:43:34,060 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:43:34,060 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,060 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-11-28 18:43:34,061 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-11-28 18:43:34,061 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:34,061 INFO L444 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:34,061 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-11-28 18:43:34,061 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-11-28 18:43:34,061 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-28 18:43:34,061 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,061 INFO L444 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,064 INFO L444 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,065 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2018-11-28 18:43:34,065 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:34,065 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-11-28 18:43:34,065 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:43:34,065 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2018-11-28 18:43:34,065 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-11-28 18:43:34,065 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-11-28 18:43:34,067 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2018-11-28 18:43:34,068 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:34,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-11-28 18:43:34,068 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-11-28 18:43:34,068 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2018-11-28 18:43:34,069 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:34,069 INFO L444 ceAbstractionStarter]: At program point L759(lines 759 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:34,070 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:34,070 INFO L448 ceAbstractionStarter]: For program point L752(lines 751 770) no Hoare annotation was computed. [2018-11-28 18:43:34,070 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:34,070 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2018-11-28 18:43:34,070 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2018-11-28 18:43:34,070 INFO L451 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-11-28 18:43:34,070 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-11-28 18:43:34,070 INFO L448 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-11-28 18:43:34,070 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-11-28 18:43:34,071 INFO L451 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2018-11-28 18:43:34,071 INFO L451 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-11-28 18:43:34,071 INFO L448 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-11-28 18:43:34,071 INFO L451 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-11-28 18:43:34,071 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-11-28 18:43:34,071 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-11-28 18:43:34,071 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2018-11-28 18:43:34,071 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2018-11-28 18:43:34,071 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2018-11-28 18:43:34,071 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 18:43:34,072 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-11-28 18:43:34,072 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:34,072 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 18:43:34,072 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:34,072 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L448 ceAbstractionStarter]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: true [2018-11-28 18:43:34,073 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-28 18:43:34,073 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-28 18:43:34,073 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 205) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L451 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: true [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-28 18:43:34,074 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2018-11-28 18:43:34,074 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2018-11-28 18:43:34,075 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:34,075 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 202) no Hoare annotation was computed. [2018-11-28 18:43:34,075 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:34,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:34 BoogieIcfgContainer [2018-11-28 18:43:34,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:34,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:34,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:34,089 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:34,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:26" (3/4) ... [2018-11-28 18:43:34,097 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:34,108 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:34,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:34,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:34,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:34,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:34,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:34,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:34,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:34,131 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:43:34,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:43:34,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:43:34,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:34,134 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:34,134 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:34,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:34,169 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:34,232 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:34,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:34,233 INFO L168 Benchmark]: Toolchain (without parser) took 9238.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 65.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,234 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. [2018-11-28 18:43:34,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,237 INFO L168 Benchmark]: Boogie Preprocessor took 39.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:34,237 INFO L168 Benchmark]: RCFGBuilder took 1123.69 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,238 INFO L168 Benchmark]: TraceAbstraction took 7139.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,238 INFO L168 Benchmark]: Witness Printer took 143.14 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:34,243 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 730.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -182.8 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.22 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1123.69 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7139.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.2 MB). Peak memory consumption was 280.9 MB. Max. memory is 11.5 GB. * Witness Printer took 143.14 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 349 SDslu, 1175 SDs, 0 SdLazy, 389 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 479 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...