./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_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_spec4_product08_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 f0335c6392c59c467837b14da92286fa43b99dfc ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:46:17,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:17,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:18,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:18,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:18,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:18,015 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:18,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:18,021 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:18,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:18,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:18,030 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:18,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:18,034 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:18,034 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:18,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:18,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:18,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:18,044 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:18,048 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:18,049 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:18,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:18,056 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:18,057 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:18,057 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:18,058 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:18,061 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:18,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:18,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:18,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:18,067 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:18,068 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:18,068 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:18,069 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:18,069 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:18,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:18,073 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:18,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:18,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:18,099 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:18,100 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:18,100 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:18,101 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:18,102 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:18,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:18,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:18,104 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:18,104 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:18,104 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:18,104 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:18,104 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:18,104 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:18,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:18,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:18,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:18,108 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:18,108 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:18,108 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:18,108 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:18,108 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:18,108 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:18,109 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:18,109 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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-28 18:46:18,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:18,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:18,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:18,171 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:18,171 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:18,172 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:18,234 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12d65a19/c0a9c6e1a8344694bfa8c239e49c041d/FLAG8fc434acd [2018-11-28 18:46:18,729 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:18,730 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:18,742 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12d65a19/c0a9c6e1a8344694bfa8c239e49c041d/FLAG8fc434acd [2018-11-28 18:46:19,050 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a12d65a19/c0a9c6e1a8344694bfa8c239e49c041d [2018-11-28 18:46:19,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:19,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:19,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:19,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:19,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:19,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,065 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 06:46:19, skipping insertion in model container [2018-11-28 18:46:19,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:19,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:19,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:19,548 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:19,673 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:19,787 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:19,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19 WrapperNode [2018-11-28 18:46:19,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:19,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:19,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:19,788 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:19,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:19,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:19,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:19,839 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:19,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (1/1) ... [2018-11-28 18:46:19,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:19,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:19,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:19,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:19,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (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 18:46:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:19,945 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:46:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:46:19,946 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:19,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:46:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:46:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:19,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:19,947 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:46:19,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:46:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:21,096 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:21,096 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:21,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:21 BoogieIcfgContainer [2018-11-28 18:46:21,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:21,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:21,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:21,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:21,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:19" (1/3) ... [2018-11-28 18:46:21,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a12ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:21, skipping insertion in model container [2018-11-28 18:46:21,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:19" (2/3) ... [2018-11-28 18:46:21,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a12ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:21, skipping insertion in model container [2018-11-28 18:46:21,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:21" (3/3) ... [2018-11-28 18:46:21,105 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:21,116 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:21,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:21,145 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:21,180 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:21,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:21,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:21,182 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:21,182 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:21,182 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:21,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:21,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:21,183 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-28 18:46:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:21,227 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:21,228 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 18:46:21,230 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:21,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:21,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1822812246, now seen corresponding path program 1 times [2018-11-28 18:46:21,238 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:21,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:21,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:21,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:21,609 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 18:46:21,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:21,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:21,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:21,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:21,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:21,638 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-28 18:46:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:21,679 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2018-11-28 18:46:21,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:21,681 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:21,695 INFO L225 Difference]: With dead ends: 224 [2018-11-28 18:46:21,695 INFO L226 Difference]: Without dead ends: 112 [2018-11-28 18:46:21,700 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 18:46:21,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-28 18:46:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-28 18:46:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-28 18:46:21,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-11-28 18:46:21,767 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2018-11-28 18:46:21,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:21,768 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-11-28 18:46:21,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-11-28 18:46:21,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:21,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:21,772 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 18:46:21,773 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:21,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:21,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1482517432, now seen corresponding path program 1 times [2018-11-28 18:46:21,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:21,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:21,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:21,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:21,917 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 18:46:21,918 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:21,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:21,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:21,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:21,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:21,921 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2018-11-28 18:46:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:21,955 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-11-28 18:46:21,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:21,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:21,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:21,959 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:46:21,960 INFO L226 Difference]: Without dead ends: 103 [2018-11-28 18:46:21,961 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 18:46:21,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-11-28 18:46:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-11-28 18:46:21,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-28 18:46:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-11-28 18:46:21,980 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2018-11-28 18:46:21,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:21,980 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-11-28 18:46:21,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-11-28 18:46:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:46:21,986 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:21,986 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] [2018-11-28 18:46:21,987 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:21,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:21,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1864118635, now seen corresponding path program 1 times [2018-11-28 18:46:21,989 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:21,989 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:21,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:21,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:21,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:22,297 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 18:46:22,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:22,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:22,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:22,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:22,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:22,300 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2018-11-28 18:46:23,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:23,505 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2018-11-28 18:46:23,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:23,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:46:23,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:23,511 INFO L225 Difference]: With dead ends: 311 [2018-11-28 18:46:23,511 INFO L226 Difference]: Without dead ends: 232 [2018-11-28 18:46:23,513 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:23,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-28 18:46:23,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2018-11-28 18:46:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:46:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2018-11-28 18:46:23,550 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2018-11-28 18:46:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:23,550 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2018-11-28 18:46:23,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2018-11-28 18:46:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:46:23,553 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:23,554 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 18:46:23,554 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:23,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:23,554 INFO L82 PathProgramCache]: Analyzing trace with hash -733382068, now seen corresponding path program 1 times [2018-11-28 18:46:23,555 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:23,555 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:23,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:23,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:23,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:23,984 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 18:46:23,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:23,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:23,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:23,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:23,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:23,987 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2018-11-28 18:46:25,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:25,353 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2018-11-28 18:46:25,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:25,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 18:46:25,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:25,365 INFO L225 Difference]: With dead ends: 760 [2018-11-28 18:46:25,365 INFO L226 Difference]: Without dead ends: 564 [2018-11-28 18:46:25,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:25,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-28 18:46:25,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-11-28 18:46:25,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-11-28 18:46:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2018-11-28 18:46:25,459 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2018-11-28 18:46:25,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:25,459 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2018-11-28 18:46:25,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:25,460 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2018-11-28 18:46:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:46:25,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:25,466 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 18:46:25,467 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:25,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:25,468 INFO L82 PathProgramCache]: Analyzing trace with hash 717063602, now seen corresponding path program 1 times [2018-11-28 18:46:25,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:25,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:25,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:25,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:25,705 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 18:46:25,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:25,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:46:25,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:46:25,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:46:25,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:46:25,707 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2018-11-28 18:46:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:26,026 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2018-11-28 18:46:26,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:46:26,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 18:46:26,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:26,032 INFO L225 Difference]: With dead ends: 936 [2018-11-28 18:46:26,032 INFO L226 Difference]: Without dead ends: 408 [2018-11-28 18:46:26,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:46:26,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-28 18:46:26,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-11-28 18:46:26,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-11-28 18:46:26,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-11-28 18:46:26,074 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-11-28 18:46:26,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:26,075 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-11-28 18:46:26,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:46:26,075 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-11-28 18:46:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-28 18:46:26,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:26,080 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 18:46:26,080 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:26,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:26,080 INFO L82 PathProgramCache]: Analyzing trace with hash -904193571, now seen corresponding path program 1 times [2018-11-28 18:46:26,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:26,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:26,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:26,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:46:26,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:26,238 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:26,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:26,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:27,102 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:27,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:46:27,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:27,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:27,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:27,104 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 12 states. [2018-11-28 18:46:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:28,441 INFO L93 Difference]: Finished difference Result 523 states and 605 transitions. [2018-11-28 18:46:28,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:28,442 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2018-11-28 18:46:28,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:28,444 INFO L225 Difference]: With dead ends: 523 [2018-11-28 18:46:28,444 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:28,446 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:46:28,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:28,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-28 18:46:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:28,447 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:28,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:28,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:28,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:29,743 WARN L180 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-28 18:46:29,950 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2018-11-28 18:46:30,246 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2018-11-28 18:46:30,356 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2018-11-28 18:46:30,532 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2018-11-28 18:46:31,129 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 17 [2018-11-28 18:46:31,247 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-11-28 18:46:31,883 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-11-28 18:46:32,069 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2018-11-28 18:46:32,072 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2018-11-28 18:46:32,072 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2018-11-28 18:46:32,073 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-28 18:46:32,073 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2018-11-28 18:46:32,073 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-28 18:46:32,073 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:32,073 INFO L448 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2018-11-28 18:46:32,073 INFO L448 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2018-11-28 18:46:32,073 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2018-11-28 18:46:32,073 INFO L448 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2018-11-28 18:46:32,074 INFO L451 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2018-11-28 18:46:32,074 INFO L448 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2018-11-28 18:46:32,074 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2018-11-28 18:46:32,074 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:32,074 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-28 18:46:32,074 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,074 INFO L444 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,074 INFO L444 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,075 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2018-11-28 18:46:32,075 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2018-11-28 18:46:32,075 INFO L448 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2018-11-28 18:46:32,075 INFO L448 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2018-11-28 18:46:32,075 INFO L444 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,075 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,075 INFO L444 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,075 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2018-11-28 18:46:32,076 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2018-11-28 18:46:32,076 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-28 18:46:32,076 INFO L448 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2018-11-28 18:46:32,076 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-11-28 18:46:32,076 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2018-11-28 18:46:32,076 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2018-11-28 18:46:32,076 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2018-11-28 18:46:32,077 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2018-11-28 18:46:32,077 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2018-11-28 18:46:32,077 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2018-11-28 18:46:32,077 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L451 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L444 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2018-11-28 18:46:32,078 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2018-11-28 18:46:32,079 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:32,079 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:32,079 INFO L448 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2018-11-28 18:46:32,079 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:32,079 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:32,079 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2018-11-28 18:46:32,079 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2018-11-28 18:46:32,079 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2018-11-28 18:46:32,080 INFO L444 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,080 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,080 INFO L448 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2018-11-28 18:46:32,080 INFO L444 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,080 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2018-11-28 18:46:32,080 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2018-11-28 18:46:32,080 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,080 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-11-28 18:46:32,081 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2018-11-28 18:46:32,081 INFO L444 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,081 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,081 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2018-11-28 18:46:32,081 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2018-11-28 18:46:32,081 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2018-11-28 18:46:32,081 INFO L444 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,081 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:32,082 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:46:32,083 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:32,083 INFO L448 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2018-11-28 18:46:32,083 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:32,083 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2018-11-28 18:46:32,083 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2018-11-28 18:46:32,083 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:32,084 INFO L444 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:32,084 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2018-11-28 18:46:32,084 INFO L451 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2018-11-28 18:46:32,084 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2018-11-28 18:46:32,084 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-28 18:46:32,084 INFO L448 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-28 18:46:32,084 INFO L451 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2018-11-28 18:46:32,084 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-11-28 18:46:32,084 INFO L451 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2018-11-28 18:46:32,085 INFO L451 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-28 18:46:32,085 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:46:32,085 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:46:32,085 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2018-11-28 18:46:32,086 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2018-11-28 18:46:32,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:32,086 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:46:32,086 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:32,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:32,086 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-28 18:46:32,086 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: true [2018-11-28 18:46:32,086 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-28 18:46:32,086 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:32,087 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:46:32,087 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-11-28 18:46:32,087 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-11-28 18:46:32,087 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2018-11-28 18:46:32,087 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2018-11-28 18:46:32,087 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2018-11-28 18:46:32,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:32 BoogieIcfgContainer [2018-11-28 18:46:32,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:32,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:32,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:32,101 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:32,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:21" (3/4) ... [2018-11-28 18:46:32,106 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:32,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:32,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:32,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:46:32,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:32,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:32,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:46:32,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:32,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:32,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:46:32,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:46:32,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:46:32,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:32,128 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:32,128 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:32,162 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:32,162 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:32,245 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:32,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:32,247 INFO L168 Benchmark]: Toolchain (without parser) took 13191.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -282.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,248 INFO L168 Benchmark]: CDTParser took 0.16 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 18:46:32,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.83 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. [2018-11-28 18:46:32,252 INFO L168 Benchmark]: Boogie Preprocessor took 45.05 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 18:46:32,252 INFO L168 Benchmark]: RCFGBuilder took 1212.69 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,253 INFO L168 Benchmark]: TraceAbstraction took 11002.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.4 MB). Peak memory consumption was 347.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:32,253 INFO L168 Benchmark]: Witness Printer took 144.90 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:32,257 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.83 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 45.05 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 1212.69 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11002.71 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 145.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -155.4 MB). Peak memory consumption was 347.9 MB. Max. memory is 11.5 GB. * Witness Printer took 144.90 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 125 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 732 SDtfs, 697 SDslu, 1643 SDs, 0 SdLazy, 980 SolverSat, 278 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 595 PreInvPairs, 638 NumberOfFragments, 742 HoareAnnotationTreeSize, 595 FomulaSimplifications, 684 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 3143 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 61240 SizeOfPredicates, 3 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 43/48 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...