./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/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 8c7c11659b56a65fd9b011a28c96b3117f33c316 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:40:00,916 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:40:00,917 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:40:00,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:40:00,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:40:00,926 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:40:00,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:40:00,928 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:40:00,929 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:40:00,930 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:40:00,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:40:00,931 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:40:00,931 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:40:00,932 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:40:00,932 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:40:00,933 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:40:00,933 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:40:00,934 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:40:00,936 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:40:00,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:40:00,937 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:40:00,938 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:40:00,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:40:00,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:40:00,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:40:00,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:40:00,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:40:00,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:40:00,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:40:00,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:40:00,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:40:00,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:40:00,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:40:00,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:40:00,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:40:00,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:40:00,946 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 23:40:00,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:40:00,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:40:00,955 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:40:00,955 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:40:00,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:40:00,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:40:00,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:40:00,956 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:40:00,957 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:40:00,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:40:00,958 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:40:00,958 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:40:00,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:40:00,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:40:00,959 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_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/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 -> 8c7c11659b56a65fd9b011a28c96b3117f33c316 [2018-11-22 23:40:00,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:40:00,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:40:00,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:40:00,990 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:40:00,990 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:40:00,991 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-22 23:40:01,026 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/data/28391cc07/9974041bbc3e4adfa3dcf3c1dd02ae8a/FLAG039c1138c [2018-11-22 23:40:01,382 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:40:01,383 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/sv-benchmarks/c/product-lines/minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-22 23:40:01,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/data/28391cc07/9974041bbc3e4adfa3dcf3c1dd02ae8a/FLAG039c1138c [2018-11-22 23:40:01,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/data/28391cc07/9974041bbc3e4adfa3dcf3c1dd02ae8a [2018-11-22 23:40:01,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:40:01,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:40:01,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:40:01,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:40:01,412 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:40:01,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2824ecd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01, skipping insertion in model container [2018-11-22 23:40:01,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:40:01,456 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:40:01,667 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:40:01,674 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:40:01,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:40:01,791 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:40:01,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01 WrapperNode [2018-11-22 23:40:01,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:40:01,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:40:01,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:40:01,792 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:40:01,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:40:01,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:40:01,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:40:01,814 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:40:01,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... [2018-11-22 23:40:01,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:40:01,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:40:01,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:40:01,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:40:01,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/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 [2018-11-22 23:40:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 23:40:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 23:40:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:40:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:40:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:40:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 23:40:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 23:40:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 23:40:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 23:40:01,878 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 23:40:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 23:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 23:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 23:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 23:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 23:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 23:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 23:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 23:40:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 23:40:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 23:40:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 23:40:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 23:40:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:40:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:40:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 23:40:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 23:40:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 23:40:01,880 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 23:40:01,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 23:40:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 23:40:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 23:40:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 23:40:01,881 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:40:01,881 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:40:01,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:40:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:40:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:40:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 23:40:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 23:40:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 23:40:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 23:40:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:40:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:40:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:40:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:40:02,330 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:40:02,331 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 23:40:02,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:02 BoogieIcfgContainer [2018-11-22 23:40:02,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:40:02,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:40:02,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:40:02,334 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:40:02,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:40:01" (1/3) ... [2018-11-22 23:40:02,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36182532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:40:02, skipping insertion in model container [2018-11-22 23:40:02,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:40:01" (2/3) ... [2018-11-22 23:40:02,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36182532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:40:02, skipping insertion in model container [2018-11-22 23:40:02,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:02" (3/3) ... [2018-11-22 23:40:02,337 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45_true-unreach-call_false-termination.cil.c [2018-11-22 23:40:02,345 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:40:02,352 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:40:02,365 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:40:02,390 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:40:02,391 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:40:02,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:40:02,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:40:02,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:40:02,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:40:02,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:40:02,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:40:02,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:40:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-22 23:40:02,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 23:40:02,415 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:02,416 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:02,418 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:02,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:02,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1859376885, now seen corresponding path program 1 times [2018-11-22 23:40:02,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:02,424 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:02,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:02,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:02,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:02,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 23:40:02,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 23:40:02,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 23:40:02,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:40:02,618 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-22 23:40:02,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:02,641 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2018-11-22 23:40:02,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 23:40:02,642 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 23:40:02,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:02,649 INFO L225 Difference]: With dead ends: 260 [2018-11-22 23:40:02,649 INFO L226 Difference]: Without dead ends: 130 [2018-11-22 23:40:02,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 23:40:02,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-22 23:40:02,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-22 23:40:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-22 23:40:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2018-11-22 23:40:02,685 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2018-11-22 23:40:02,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:02,686 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2018-11-22 23:40:02,686 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 23:40:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2018-11-22 23:40:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 23:40:02,689 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:02,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:02,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:02,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:02,690 INFO L82 PathProgramCache]: Analyzing trace with hash -816350, now seen corresponding path program 1 times [2018-11-22 23:40:02,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:02,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:02,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:02,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:02,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:02,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:40:02,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:40:02,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:40:02,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:40:02,773 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2018-11-22 23:40:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:02,792 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions. [2018-11-22 23:40:02,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:40:02,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 23:40:02,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:02,794 INFO L225 Difference]: With dead ends: 209 [2018-11-22 23:40:02,794 INFO L226 Difference]: Without dead ends: 121 [2018-11-22 23:40:02,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:40:02,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-22 23:40:02,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-22 23:40:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-22 23:40:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2018-11-22 23:40:02,806 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2018-11-22 23:40:02,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:02,806 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2018-11-22 23:40:02,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:40:02,807 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2018-11-22 23:40:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 23:40:02,809 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:02,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:02,809 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:02,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:02,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1070515485, now seen corresponding path program 1 times [2018-11-22 23:40:02,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:02,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:02,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:02,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:02,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:02,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:40:02,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:40:02,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:40:02,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:40:02,910 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2018-11-22 23:40:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:03,125 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2018-11-22 23:40:03,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:40:03,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-22 23:40:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:03,127 INFO L225 Difference]: With dead ends: 218 [2018-11-22 23:40:03,127 INFO L226 Difference]: Without dead ends: 121 [2018-11-22 23:40:03,128 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 [2018-11-22 23:40:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-22 23:40:03,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-22 23:40:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-22 23:40:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-11-22 23:40:03,137 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2018-11-22 23:40:03,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:03,138 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-11-22 23:40:03,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:40:03,138 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-11-22 23:40:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 23:40:03,140 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:03,141 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] [2018-11-22 23:40:03,141 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:03,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:03,141 INFO L82 PathProgramCache]: Analyzing trace with hash -912181828, now seen corresponding path program 1 times [2018-11-22 23:40:03,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:03,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:03,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:03,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:03,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:03,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-22 23:40:03,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-22 23:40:03,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-22 23:40:03,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-22 23:40:03,250 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 5 states. [2018-11-22 23:40:03,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:03,603 INFO L93 Difference]: Finished difference Result 319 states and 386 transitions. [2018-11-22 23:40:03,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:40:03,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-22 23:40:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:03,605 INFO L225 Difference]: With dead ends: 319 [2018-11-22 23:40:03,605 INFO L226 Difference]: Without dead ends: 222 [2018-11-22 23:40:03,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:40:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-11-22 23:40:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 204. [2018-11-22 23:40:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-11-22 23:40:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2018-11-22 23:40:03,631 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2018-11-22 23:40:03,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:03,631 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2018-11-22 23:40:03,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-22 23:40:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2018-11-22 23:40:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-22 23:40:03,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:03,633 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] [2018-11-22 23:40:03,634 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:03,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:03,634 INFO L82 PathProgramCache]: Analyzing trace with hash -988770391, now seen corresponding path program 1 times [2018-11-22 23:40:03,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:03,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:03,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:03,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:03,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:03,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:03,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:40:03,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:03,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:03,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:03,722 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 6 states. [2018-11-22 23:40:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:03,831 INFO L93 Difference]: Finished difference Result 549 states and 649 transitions. [2018-11-22 23:40:03,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:40:03,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-22 23:40:03,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:03,835 INFO L225 Difference]: With dead ends: 549 [2018-11-22 23:40:03,835 INFO L226 Difference]: Without dead ends: 369 [2018-11-22 23:40:03,836 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:40:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-22 23:40:03,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2018-11-22 23:40:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-22 23:40:03,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2018-11-22 23:40:03,866 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2018-11-22 23:40:03,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:03,867 INFO L480 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2018-11-22 23:40:03,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2018-11-22 23:40:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-22 23:40:03,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:03,870 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] [2018-11-22 23:40:03,870 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:03,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:03,870 INFO L82 PathProgramCache]: Analyzing trace with hash 610145221, now seen corresponding path program 1 times [2018-11-22 23:40:03,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:03,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:03,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:03,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:03,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:03,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:03,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 23:40:03,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 23:40:03,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 23:40:03,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:40:03,965 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 7 states. [2018-11-22 23:40:04,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:04,276 INFO L93 Difference]: Finished difference Result 396 states and 466 transitions. [2018-11-22 23:40:04,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 23:40:04,277 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-22 23:40:04,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:04,279 INFO L225 Difference]: With dead ends: 396 [2018-11-22 23:40:04,279 INFO L226 Difference]: Without dead ends: 393 [2018-11-22 23:40:04,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:40:04,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-11-22 23:40:04,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2018-11-22 23:40:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-11-22 23:40:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2018-11-22 23:40:04,300 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2018-11-22 23:40:04,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:04,300 INFO L480 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2018-11-22 23:40:04,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 23:40:04,300 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2018-11-22 23:40:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 23:40:04,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:04,302 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] [2018-11-22 23:40:04,302 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:04,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:04,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1887685164, now seen corresponding path program 1 times [2018-11-22 23:40:04,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:04,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:04,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:04,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:04,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:40:04,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:04,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:40:04,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:04,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:04,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:04,367 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 6 states. [2018-11-22 23:40:04,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:04,392 INFO L93 Difference]: Finished difference Result 716 states and 838 transitions. [2018-11-22 23:40:04,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:40:04,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-22 23:40:04,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:04,394 INFO L225 Difference]: With dead ends: 716 [2018-11-22 23:40:04,394 INFO L226 Difference]: Without dead ends: 377 [2018-11-22 23:40:04,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:40:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-22 23:40:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2018-11-22 23:40:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-22 23:40:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-11-22 23:40:04,410 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2018-11-22 23:40:04,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:04,410 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-11-22 23:40:04,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-11-22 23:40:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 23:40:04,412 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:04,412 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] [2018-11-22 23:40:04,412 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:04,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:04,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1513795794, now seen corresponding path program 1 times [2018-11-22 23:40:04,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:04,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:04,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:04,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:40:04,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:04,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 23:40:04,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 23:40:04,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 23:40:04,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 23:40:04,496 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 8 states. [2018-11-22 23:40:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:04,524 INFO L93 Difference]: Finished difference Result 736 states and 860 transitions. [2018-11-22 23:40:04,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:40:04,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-22 23:40:04,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:04,526 INFO L225 Difference]: With dead ends: 736 [2018-11-22 23:40:04,526 INFO L226 Difference]: Without dead ends: 387 [2018-11-22 23:40:04,527 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 [2018-11-22 23:40:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-22 23:40:04,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 381. [2018-11-22 23:40:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-22 23:40:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2018-11-22 23:40:04,540 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2018-11-22 23:40:04,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:04,541 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2018-11-22 23:40:04,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 23:40:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2018-11-22 23:40:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 23:40:04,542 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:04,542 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] [2018-11-22 23:40:04,542 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:04,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:04,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1521555153, now seen corresponding path program 1 times [2018-11-22 23:40:04,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:04,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:04,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:04,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 23:40:04,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:40:04,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 23:40:04,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 23:40:04,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 23:40:04,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:40:04,609 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 4 states. [2018-11-22 23:40:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:04,723 INFO L93 Difference]: Finished difference Result 1123 states and 1346 transitions. [2018-11-22 23:40:04,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 23:40:04,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-22 23:40:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:04,727 INFO L225 Difference]: With dead ends: 1123 [2018-11-22 23:40:04,727 INFO L226 Difference]: Without dead ends: 766 [2018-11-22 23:40:04,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 23:40:04,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2018-11-22 23:40:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 751. [2018-11-22 23:40:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2018-11-22 23:40:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 881 transitions. [2018-11-22 23:40:04,755 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 881 transitions. Word has length 98 [2018-11-22 23:40:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:04,756 INFO L480 AbstractCegarLoop]: Abstraction has 751 states and 881 transitions. [2018-11-22 23:40:04,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 23:40:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 881 transitions. [2018-11-22 23:40:04,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 23:40:04,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:04,758 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, 1, 1, 1] [2018-11-22 23:40:04,758 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:04,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:04,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1343532233, now seen corresponding path program 1 times [2018-11-22 23:40:04,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:04,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:04,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 23:40:04,858 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:04,858 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/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 [2018-11-22 23:40:04,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:04,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:40:05,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:40:05,104 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-22 23:40:05,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:40:05,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:40:05,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:40:05,105 INFO L87 Difference]: Start difference. First operand 751 states and 881 transitions. Second operand 19 states. [2018-11-22 23:40:05,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:05,848 INFO L93 Difference]: Finished difference Result 1448 states and 1719 transitions. [2018-11-22 23:40:05,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 23:40:05,849 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-11-22 23:40:05,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:05,852 INFO L225 Difference]: With dead ends: 1448 [2018-11-22 23:40:05,852 INFO L226 Difference]: Without dead ends: 721 [2018-11-22 23:40:05,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-22 23:40:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-22 23:40:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-22 23:40:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-22 23:40:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 832 transitions. [2018-11-22 23:40:05,888 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 832 transitions. Word has length 102 [2018-11-22 23:40:05,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:05,889 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 832 transitions. [2018-11-22 23:40:05,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:40:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 832 transitions. [2018-11-22 23:40:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-22 23:40:05,892 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:05,892 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:05,892 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:05,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:05,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1673377843, now seen corresponding path program 1 times [2018-11-22 23:40:05,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:05,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:05,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:05,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:05,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:05,954 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 23:40:05,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:05,954 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:40:05,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:06,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 23:40:06,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:40:06,128 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-22 23:40:06,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:40:06,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:40:06,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:40:06,129 INFO L87 Difference]: Start difference. First operand 721 states and 832 transitions. Second operand 6 states. [2018-11-22 23:40:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:06,729 INFO L93 Difference]: Finished difference Result 1565 states and 1898 transitions. [2018-11-22 23:40:06,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 23:40:06,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2018-11-22 23:40:06,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:06,735 INFO L225 Difference]: With dead ends: 1565 [2018-11-22 23:40:06,735 INFO L226 Difference]: Without dead ends: 988 [2018-11-22 23:40:06,737 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:40:06,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-11-22 23:40:06,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 893. [2018-11-22 23:40:06,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-11-22 23:40:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1048 transitions. [2018-11-22 23:40:06,791 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1048 transitions. Word has length 157 [2018-11-22 23:40:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:06,791 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 1048 transitions. [2018-11-22 23:40:06,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:40:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1048 transitions. [2018-11-22 23:40:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-22 23:40:06,794 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:06,795 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:06,795 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:06,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:06,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1604124685, now seen corresponding path program 1 times [2018-11-22 23:40:06,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:40:06,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:40:06,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:06,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:06,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 23:40:06,928 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:06,928 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:40:06,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:07,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 23:40:07,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:40:07,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-22 23:40:07,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-22 23:40:07,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-22 23:40:07,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:40:07,226 INFO L87 Difference]: Start difference. First operand 893 states and 1048 transitions. Second operand 19 states. [2018-11-22 23:40:07,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:07,934 INFO L93 Difference]: Finished difference Result 1526 states and 1823 transitions. [2018-11-22 23:40:07,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-22 23:40:07,935 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 153 [2018-11-22 23:40:07,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:07,936 INFO L225 Difference]: With dead ends: 1526 [2018-11-22 23:40:07,936 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:40:07,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 150 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-22 23:40:07,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:40:07,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:40:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:40:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:40:07,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-22 23:40:07,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:07,939 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:40:07,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-22 23:40:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:40:07,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:40:07,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:40:08,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:08,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:40:09,153 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2018-11-22 23:40:09,837 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2018-11-22 23:40:09,837 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2018-11-22 23:40:09,837 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,838 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-22 23:40:09,838 INFO L448 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse3 .cse0) (or .cse0 .cse3 .cse1))) [2018-11-22 23:40:09,839 INFO L444 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 (not .cse2) .cse0))) [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2018-11-22 23:40:09,839 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2018-11-22 23:40:09,839 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2018-11-22 23:40:09,839 INFO L451 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= 0 |old(~pumpRunning~0)|)) [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse0))) [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse2 .cse4))) [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-22 23:40:09,840 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2018-11-22 23:40:09,841 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,841 INFO L444 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0) (= ~methaneLevelCritical~0 1)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 23:40:09,841 INFO L444 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L444 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L444 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2018-11-22 23:40:09,841 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:40:09,842 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-22 23:40:09,843 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L451 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L931(lines 931 935) no Hoare annotation was computed. [2018-11-22 23:40:09,843 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (= ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (or .cse4 .cse3 .cse2)) (or .cse4 .cse1 .cse2))) [2018-11-22 23:40:09,844 INFO L444 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 (and .cse3 .cse1) (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (or .cse4 .cse3 .cse2)) (or (= 0 ~pumpRunning~0) .cse4 .cse2))) [2018-11-22 23:40:09,844 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L451 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 23:40:09,844 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-11-22 23:40:09,844 INFO L451 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2018-11-22 23:40:09,844 INFO L451 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L451 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1) .cse2) (or .cse2 (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:40:09,845 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)) [2018-11-22 23:40:09,845 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2018-11-22 23:40:09,845 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2018-11-22 23:40:09,845 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L451 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-22 23:40:09,846 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2018-11-22 23:40:09,846 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 23:40:09,846 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-11-22 23:40:09,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:40:09 BoogieIcfgContainer [2018-11-22 23:40:09,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:40:09,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:40:09,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:40:09,856 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:40:09,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:40:02" (3/4) ... [2018-11-22 23:40:09,860 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 23:40:09,866 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 23:40:09,867 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-22 23:40:09,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-22 23:40:09,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 23:40:09,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 23:40:09,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 23:40:09,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:40:09,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:40:09,875 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 23:40:09,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-22 23:40:09,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 23:40:09,924 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ed5d17b1-9577-46e1-b09b-b2f84f8f6da3/bin-2019/uautomizer/witness.graphml [2018-11-22 23:40:09,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:40:09,925 INFO L168 Benchmark]: Toolchain (without parser) took 8517.42 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -102.4 MB). Peak memory consumption was 311.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:40:09,926 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:40:09,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:40:09,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:40:09,926 INFO L168 Benchmark]: Boogie Preprocessor took 28.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:40:09,927 INFO L168 Benchmark]: RCFGBuilder took 489.23 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:40:09,927 INFO L168 Benchmark]: TraceAbstraction took 7524.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 427.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:40:09,927 INFO L168 Benchmark]: Witness Printer took 68.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:40:09,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -186.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.82 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 28.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 489.23 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: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7524.28 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 427.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.39 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 143 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2084 SDtfs, 1684 SDslu, 7028 SDs, 0 SdLazy, 3444 SolverSat, 591 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 450 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=893occurred in iteration=11, 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, 174 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1876 PreInvPairs, 1997 NumberOfFragments, 1287 HoareAnnotationTreeSize, 1876 FomulaSimplifications, 5123 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 12021 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1486 NumberOfCodeBlocks, 1486 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 260076 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2455 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 207/215 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...