./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer --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 f25a9f8800d2b9b6ef21419533be8e4411f52f7f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:32:05,970 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:32:05,971 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:32:05,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:32:05,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:32:05,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:32:05,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:32:05,979 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:32:05,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:32:05,980 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:32:05,981 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:32:05,981 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:32:05,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:32:05,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:32:05,982 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:32:05,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:32:05,983 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:32:05,984 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:32:05,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:32:05,986 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:32:05,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:32:05,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:32:05,988 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:32:05,988 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:32:05,988 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:32:05,988 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:32:05,989 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:32:05,989 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:32:05,990 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:32:05,990 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:32:05,990 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:32:05,991 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:32:05,991 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:32:05,991 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:32:05,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:32:05,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:32:05,992 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 20:32:05,999 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:32:05,999 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:32:06,000 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:32:06,000 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:32:06,000 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:32:06,000 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:32:06,000 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:32:06,001 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:32:06,001 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:32:06,002 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:32:06,002 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:32:06,002 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:32:06,003 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:32:06,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:32:06,003 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(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 -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2018-12-02 20:32:06,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:32:06,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:32:06,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:32:06,033 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:32:06,034 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:32:06,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-02 20:32:06,071 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/data/5b80d4e1a/4d280845e6a04dc3abd2cf0d1d2f5125/FLAG4ba51fce4 [2018-12-02 20:32:06,545 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:32:06,545 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/sv-benchmarks/c/product-lines/minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-02 20:32:06,552 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/data/5b80d4e1a/4d280845e6a04dc3abd2cf0d1d2f5125/FLAG4ba51fce4 [2018-12-02 20:32:06,560 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/data/5b80d4e1a/4d280845e6a04dc3abd2cf0d1d2f5125 [2018-12-02 20:32:06,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:32:06,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:32:06,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:32:06,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:32:06,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:32:06,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06, skipping insertion in model container [2018-12-02 20:32:06,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:32:06,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:32:06,744 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:32:06,752 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:32:06,830 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:32:06,845 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:32:06,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06 WrapperNode [2018-12-02 20:32:06,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:32:06,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:32:06,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:32:06,846 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:32:06,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:32:06,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:32:06,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:32:06,866 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:32:06,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... [2018-12-02 20:32:06,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:32:06,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:32:06,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:32:06,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:32:06,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/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 [2018-12-02 20:32:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 20:32:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 20:32:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:32:06,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:32:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 20:32:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 20:32:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 20:32:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 20:32:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 20:32:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 20:32:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 20:32:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 20:32:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 20:32:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 20:32:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 20:32:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 20:32:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 20:32:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 20:32:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 20:32:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 20:32:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 20:32:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 20:32:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 20:32:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 20:32:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 20:32:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 20:32:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 20:32:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 20:32:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 20:32:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 20:32:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 20:32:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 20:32:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 20:32:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 20:32:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 20:32:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 20:32:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 20:32:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 20:32:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 20:32:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:32:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:32:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 20:32:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 20:32:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 20:32:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 20:32:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 20:32:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 20:32:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:32:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:32:07,197 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:32:07,197 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 20:32:07,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:32:07 BoogieIcfgContainer [2018-12-02 20:32:07,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:32:07,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:32:07,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:32:07,200 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:32:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:32:06" (1/3) ... [2018-12-02 20:32:07,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7bc4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:32:07, skipping insertion in model container [2018-12-02 20:32:07,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:32:06" (2/3) ... [2018-12-02 20:32:07,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f7bc4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:32:07, skipping insertion in model container [2018-12-02 20:32:07,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:32:07" (3/3) ... [2018-12-02 20:32:07,202 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41_true-unreach-call_false-termination.cil.c [2018-12-02 20:32:07,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:32:07,212 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 20:32:07,221 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 20:32:07,238 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:32:07,238 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:32:07,238 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 20:32:07,238 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:32:07,239 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:32:07,239 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:32:07,239 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:32:07,239 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:32:07,239 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:32:07,250 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-12-02 20:32:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 20:32:07,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:07,256 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] [2018-12-02 20:32:07,257 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:07,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:07,261 INFO L82 PathProgramCache]: Analyzing trace with hash 498848746, now seen corresponding path program 1 times [2018-12-02 20:32:07,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:07,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:07,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:07,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:07,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:07,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 20:32:07,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 20:32:07,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 20:32:07,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 20:32:07,410 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-12-02 20:32:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:07,431 INFO L93 Difference]: Finished difference Result 246 states and 305 transitions. [2018-12-02 20:32:07,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 20:32:07,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 20:32:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:07,439 INFO L225 Difference]: With dead ends: 246 [2018-12-02 20:32:07,439 INFO L226 Difference]: Without dead ends: 123 [2018-12-02 20:32:07,441 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 [2018-12-02 20:32:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-02 20:32:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-02 20:32:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-02 20:32:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 144 transitions. [2018-12-02 20:32:07,471 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 144 transitions. Word has length 52 [2018-12-02 20:32:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:07,471 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 144 transitions. [2018-12-02 20:32:07,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 20:32:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 144 transitions. [2018-12-02 20:32:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 20:32:07,473 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:07,473 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] [2018-12-02 20:32:07,473 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:07,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:07,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1610957714, now seen corresponding path program 1 times [2018-12-02 20:32:07,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:07,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:07,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:07,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:07,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:07,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:07,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:32:07,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:32:07,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:32:07,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:32:07,528 INFO L87 Difference]: Start difference. First operand 123 states and 144 transitions. Second operand 3 states. [2018-12-02 20:32:07,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:07,543 INFO L93 Difference]: Finished difference Result 195 states and 227 transitions. [2018-12-02 20:32:07,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:32:07,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 20:32:07,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:07,544 INFO L225 Difference]: With dead ends: 195 [2018-12-02 20:32:07,544 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 20:32:07,545 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 [2018-12-02 20:32:07,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 20:32:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-02 20:32:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-02 20:32:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2018-12-02 20:32:07,552 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 53 [2018-12-02 20:32:07,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:07,553 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2018-12-02 20:32:07,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:32:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2018-12-02 20:32:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 20:32:07,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:07,554 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] [2018-12-02 20:32:07,554 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:07,554 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:07,554 INFO L82 PathProgramCache]: Analyzing trace with hash -2062171132, now seen corresponding path program 1 times [2018-12-02 20:32:07,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:07,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:07,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:07,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:07,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:07,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:07,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 20:32:07,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 20:32:07,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 20:32:07,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:32:07,645 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 7 states. [2018-12-02 20:32:07,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:07,798 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2018-12-02 20:32:07,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:32:07,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 20:32:07,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:07,799 INFO L225 Difference]: With dead ends: 204 [2018-12-02 20:32:07,799 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 20:32:07,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:32:07,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 20:32:07,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-02 20:32:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-02 20:32:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-12-02 20:32:07,807 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 57 [2018-12-02 20:32:07,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:07,808 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-12-02 20:32:07,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 20:32:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-12-02 20:32:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 20:32:07,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:07,810 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, 1, 1, 1, 1] [2018-12-02 20:32:07,810 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:07,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:07,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1534409439, now seen corresponding path program 1 times [2018-12-02 20:32:07,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:07,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:07,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:07,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:07,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:07,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:32:07,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:32:07,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:32:07,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:32:07,895 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 5 states. [2018-12-02 20:32:08,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,172 INFO L93 Difference]: Finished difference Result 301 states and 361 transitions. [2018-12-02 20:32:08,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 20:32:08,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-12-02 20:32:08,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,175 INFO L225 Difference]: With dead ends: 301 [2018-12-02 20:32:08,175 INFO L226 Difference]: Without dead ends: 211 [2018-12-02 20:32:08,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 20:32:08,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-12-02 20:32:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-12-02 20:32:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-12-02 20:32:08,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 222 transitions. [2018-12-02 20:32:08,195 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 222 transitions. Word has length 65 [2018-12-02 20:32:08,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,196 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 222 transitions. [2018-12-02 20:32:08,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:32:08,196 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2018-12-02 20:32:08,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 20:32:08,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,198 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2018996323, now seen corresponding path program 1 times [2018-12-02 20:32:08,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:08,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:08,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 20:32:08,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 20:32:08,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 20:32:08,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:32:08,278 INFO L87 Difference]: Start difference. First operand 193 states and 222 transitions. Second operand 8 states. [2018-12-02 20:32:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,304 INFO L93 Difference]: Finished difference Result 369 states and 435 transitions. [2018-12-02 20:32:08,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:32:08,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2018-12-02 20:32:08,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,305 INFO L225 Difference]: With dead ends: 369 [2018-12-02 20:32:08,306 INFO L226 Difference]: Without dead ends: 200 [2018-12-02 20:32:08,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 20:32:08,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-12-02 20:32:08,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2018-12-02 20:32:08,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-12-02 20:32:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 226 transitions. [2018-12-02 20:32:08,316 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 226 transitions. Word has length 79 [2018-12-02 20:32:08,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,316 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 226 transitions. [2018-12-02 20:32:08,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 20:32:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2018-12-02 20:32:08,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-02 20:32:08,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,317 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,317 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,317 INFO L82 PathProgramCache]: Analyzing trace with hash 2091382881, now seen corresponding path program 1 times [2018-12-02 20:32:08,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:08,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:08,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:08,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:32:08,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:32:08,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:32:08,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:32:08,377 INFO L87 Difference]: Start difference. First operand 197 states and 226 transitions. Second operand 6 states. [2018-12-02 20:32:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,496 INFO L93 Difference]: Finished difference Result 489 states and 589 transitions. [2018-12-02 20:32:08,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 20:32:08,497 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-12-02 20:32:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,499 INFO L225 Difference]: With dead ends: 489 [2018-12-02 20:32:08,499 INFO L226 Difference]: Without dead ends: 316 [2018-12-02 20:32:08,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:32:08,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-12-02 20:32:08,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 312. [2018-12-02 20:32:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-12-02 20:32:08,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 363 transitions. [2018-12-02 20:32:08,532 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 363 transitions. Word has length 79 [2018-12-02 20:32:08,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,532 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 363 transitions. [2018-12-02 20:32:08,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:32:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 363 transitions. [2018-12-02 20:32:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 20:32:08,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,534 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,534 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,535 INFO L82 PathProgramCache]: Analyzing trace with hash 345874407, now seen corresponding path program 1 times [2018-12-02 20:32:08,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:08,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:08,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:08,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:32:08,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:32:08,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:32:08,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:32:08,611 INFO L87 Difference]: Start difference. First operand 312 states and 363 transitions. Second operand 6 states. [2018-12-02 20:32:08,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,727 INFO L93 Difference]: Finished difference Result 649 states and 783 transitions. [2018-12-02 20:32:08,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 20:32:08,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-02 20:32:08,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,730 INFO L225 Difference]: With dead ends: 649 [2018-12-02 20:32:08,730 INFO L226 Difference]: Without dead ends: 476 [2018-12-02 20:32:08,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:32:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2018-12-02 20:32:08,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 458. [2018-12-02 20:32:08,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-12-02 20:32:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 544 transitions. [2018-12-02 20:32:08,758 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 544 transitions. Word has length 83 [2018-12-02 20:32:08,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,759 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 544 transitions. [2018-12-02 20:32:08,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:32:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 544 transitions. [2018-12-02 20:32:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 20:32:08,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,760 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,761 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,761 INFO L82 PathProgramCache]: Analyzing trace with hash 603253610, now seen corresponding path program 1 times [2018-12-02 20:32:08,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:08,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:08,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:08,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 20:32:08,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 20:32:08,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 20:32:08,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:32:08,836 INFO L87 Difference]: Start difference. First operand 458 states and 544 transitions. Second operand 9 states. [2018-12-02 20:32:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,879 INFO L93 Difference]: Finished difference Result 797 states and 959 transitions. [2018-12-02 20:32:08,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 20:32:08,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2018-12-02 20:32:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,880 INFO L225 Difference]: With dead ends: 797 [2018-12-02 20:32:08,881 INFO L226 Difference]: Without dead ends: 478 [2018-12-02 20:32:08,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:32:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-12-02 20:32:08,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 473. [2018-12-02 20:32:08,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2018-12-02 20:32:08,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 561 transitions. [2018-12-02 20:32:08,895 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 561 transitions. Word has length 83 [2018-12-02 20:32:08,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,896 INFO L480 AbstractCegarLoop]: Abstraction has 473 states and 561 transitions. [2018-12-02 20:32:08,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 20:32:08,896 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 561 transitions. [2018-12-02 20:32:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 20:32:08,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,897 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,897 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,897 INFO L82 PathProgramCache]: Analyzing trace with hash 675640168, now seen corresponding path program 1 times [2018-12-02 20:32:08,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:08,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:08,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 20:32:08,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 20:32:08,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 20:32:08,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:32:08,940 INFO L87 Difference]: Start difference. First operand 473 states and 561 transitions. Second operand 5 states. [2018-12-02 20:32:08,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:08,970 INFO L93 Difference]: Finished difference Result 799 states and 966 transitions. [2018-12-02 20:32:08,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 20:32:08,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-12-02 20:32:08,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:08,972 INFO L225 Difference]: With dead ends: 799 [2018-12-02 20:32:08,972 INFO L226 Difference]: Without dead ends: 465 [2018-12-02 20:32:08,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 20:32:08,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-12-02 20:32:08,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2018-12-02 20:32:08,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-12-02 20:32:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 550 transitions. [2018-12-02 20:32:08,995 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 550 transitions. Word has length 83 [2018-12-02 20:32:08,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:08,995 INFO L480 AbstractCegarLoop]: Abstraction has 465 states and 550 transitions. [2018-12-02 20:32:08,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 20:32:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 550 transitions. [2018-12-02 20:32:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 20:32:08,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:08,997 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:08,997 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:08,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:08,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1645258577, now seen corresponding path program 1 times [2018-12-02 20:32:08,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:08,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:08,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:08,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:08,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 20:32:09,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 20:32:09,088 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/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 [2018-12-02 20:32:09,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:09,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:32:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:32:09,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 20:32:09,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-02 20:32:09,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 20:32:09,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 20:32:09,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-02 20:32:09,309 INFO L87 Difference]: Start difference. First operand 465 states and 550 transitions. Second operand 14 states. [2018-12-02 20:32:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:09,642 INFO L93 Difference]: Finished difference Result 1212 states and 1487 transitions. [2018-12-02 20:32:09,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 20:32:09,642 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 95 [2018-12-02 20:32:09,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:09,644 INFO L225 Difference]: With dead ends: 1212 [2018-12-02 20:32:09,644 INFO L226 Difference]: Without dead ends: 771 [2018-12-02 20:32:09,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-02 20:32:09,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2018-12-02 20:32:09,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 768. [2018-12-02 20:32:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2018-12-02 20:32:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 897 transitions. [2018-12-02 20:32:09,672 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 897 transitions. Word has length 95 [2018-12-02 20:32:09,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:09,672 INFO L480 AbstractCegarLoop]: Abstraction has 768 states and 897 transitions. [2018-12-02 20:32:09,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 20:32:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 897 transitions. [2018-12-02 20:32:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 20:32:09,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:09,674 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:09,674 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:09,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:09,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1976763213, now seen corresponding path program 1 times [2018-12-02 20:32:09,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:09,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:09,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:09,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:09,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 20:32:09,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:09,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 20:32:09,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 20:32:09,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 20:32:09,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:32:09,745 INFO L87 Difference]: Start difference. First operand 768 states and 897 transitions. Second operand 10 states. [2018-12-02 20:32:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:09,854 INFO L93 Difference]: Finished difference Result 1484 states and 1756 transitions. [2018-12-02 20:32:09,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 20:32:09,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-12-02 20:32:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:09,857 INFO L225 Difference]: With dead ends: 1484 [2018-12-02 20:32:09,857 INFO L226 Difference]: Without dead ends: 740 [2018-12-02 20:32:09,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 20:32:09,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2018-12-02 20:32:09,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 726. [2018-12-02 20:32:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-12-02 20:32:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 846 transitions. [2018-12-02 20:32:09,890 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 846 transitions. Word has length 99 [2018-12-02 20:32:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:09,891 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 846 transitions. [2018-12-02 20:32:09,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 20:32:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 846 transitions. [2018-12-02 20:32:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 20:32:09,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:32:09,892 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:32:09,892 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:32:09,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:32:09,892 INFO L82 PathProgramCache]: Analyzing trace with hash 636816401, now seen corresponding path program 1 times [2018-12-02 20:32:09,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:32:09,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:32:09,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:09,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:32:09,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:32:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:32:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 20:32:09,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:32:09,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 20:32:09,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 20:32:09,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 20:32:09,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 20:32:09,956 INFO L87 Difference]: Start difference. First operand 726 states and 846 transitions. Second operand 10 states. [2018-12-02 20:32:10,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:32:10,056 INFO L93 Difference]: Finished difference Result 1429 states and 1670 transitions. [2018-12-02 20:32:10,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 20:32:10,056 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2018-12-02 20:32:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:32:10,057 INFO L225 Difference]: With dead ends: 1429 [2018-12-02 20:32:10,057 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 20:32:10,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 20:32:10,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 20:32:10,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 20:32:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 20:32:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 20:32:10,060 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2018-12-02 20:32:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:32:10,060 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:32:10,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 20:32:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 20:32:10,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:32:10,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 20:32:10,571 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-12-02 20:32:10,755 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-12-02 20:32:11,226 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-12-02 20:32:11,850 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-12-02 20:32:11,972 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 20:32:11,972 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 20:32:11,972 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 20:32:11,973 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 528 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point L540-1(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,973 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 538 545) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 528 550) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,973 INFO L444 ceAbstractionStarter]: At program point L534-1(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 528 550) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 20:32:11,974 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 518 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 518 527) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 518 527) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 182 192) the Hoare annotation is: true [2018-12-02 20:32:11,974 INFO L451 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 182 192) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point L187-1(line 187) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 182 192) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2018-12-02 20:32:11,974 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-12-02 20:32:11,974 INFO L448 ceAbstractionStarter]: For program point L129-1(line 129) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 123 147) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse2) (or .cse5 .cse2 .cse3))) [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 115 121) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 115 121) the Hoare annotation is: true [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 261 324) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 20:32:11,975 INFO L444 ceAbstractionStarter]: At program point L314(lines 271 316) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse0 .cse3 .cse2) (and .cse1 .cse4 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-02 20:32:11,975 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 261 324) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point L307-2(lines 301 312) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 261 324) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 148 155) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 148 155) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 148 155) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 157 173) no Hoare annotation was computed. [2018-12-02 20:32:11,976 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 157 173) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 20:32:11,977 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~1) (= 0 ~pumpRunning~0)) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 157 173) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 20:32:11,977 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 238 256) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 238 256) the Hoare annotation is: true [2018-12-02 20:32:11,977 INFO L451 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 238 256) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 457 486) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-02 20:32:11,977 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 457 486) the Hoare annotation is: true [2018-12-02 20:32:11,977 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L451 ceAbstractionStarter]: At program point L471-1(lines 471 475) the Hoare annotation is: true [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L451 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: true [2018-12-02 20:32:11,978 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L451 ceAbstractionStarter]: At program point L482(lines 457 486) the Hoare annotation is: true [2018-12-02 20:32:11,978 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point L95(lines 94 113) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 91 114) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 91 114) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse5 .cse8 .cse3 .cse9 .cse7) (or .cse0 .cse10 .cse5 .cse3) (or .cse5 .cse3 .cse10 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse8 .cse5 .cse3 .cse9))) [2018-12-02 20:32:11,978 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 91 114) no Hoare annotation was computed. [2018-12-02 20:32:11,978 INFO L444 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-12-02 20:32:11,979 INFO L444 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 328 360) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 328 360) the Hoare annotation is: true [2018-12-02 20:32:11,979 INFO L444 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L343-1(lines 328 360) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L451 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 511 517) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 511 517) the Hoare annotation is: true [2018-12-02 20:32:11,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:32:11,979 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 20:32:11,980 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2018-12-02 20:32:11,980 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-12-02 20:32:11,980 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-12-02 20:32:11,980 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-12-02 20:32:11,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:32:11 BoogieIcfgContainer [2018-12-02 20:32:11,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:32:11,989 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:32:11,989 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:32:11,989 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:32:11,989 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:32:07" (3/4) ... [2018-12-02 20:32:11,992 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 20:32:11,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 20:32:11,998 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 20:32:12,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-02 20:32:12,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 20:32:12,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 20:32:12,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 20:32:12,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 20:32:12,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 20:32:12,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 20:32:12,021 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 20:32:12,048 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ce07ef6-5d8c-405f-9723-996788fa30c2/bin-2019/uautomizer/witness.graphml [2018-12-02 20:32:12,049 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:32:12,049 INFO L168 Benchmark]: Toolchain (without parser) took 5486.92 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.5 MB). Free memory was 951.7 MB in the beginning and 1.0 GB in the end (delta: -95.3 MB). Peak memory consumption was 240.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,050 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:32:12,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,050 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.27 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. [2018-12-02 20:32:12,050 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,050 INFO L168 Benchmark]: RCFGBuilder took 310.60 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,051 INFO L168 Benchmark]: TraceAbstraction took 4790.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 431.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,051 INFO L168 Benchmark]: Witness Printer took 60.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:32:12,052 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.27 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. * Boogie Preprocessor took 20.71 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 310.60 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4790.40 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.3 MB). Peak memory consumption was 431.3 MB. Max. memory is 11.5 GB. * Witness Printer took 60.20 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 271]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 136 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1847 SDtfs, 816 SDslu, 7094 SDs, 0 SdLazy, 1436 SolverSat, 146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=768occurred in iteration=10, 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, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 1579 PreInvPairs, 1676 NumberOfFragments, 1951 HoareAnnotationTreeSize, 1579 FomulaSimplifications, 1190 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 7876 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1022 NumberOfCodeBlocks, 1022 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1009 ConstructedInterpolants, 0 QuantifiedInterpolants, 137441 SizeOfPredicates, 6 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...