./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/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 cfed73d0949579dcb398cd2d92995791596ce6cd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:58:29,667 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:58:29,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:58:29,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:58:29,674 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:58:29,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:58:29,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:58:29,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:58:29,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:58:29,677 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:58:29,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:58:29,677 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:58:29,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:58:29,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:58:29,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:58:29,679 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:58:29,680 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:58:29,681 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:58:29,682 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:58:29,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:58:29,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:58:29,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:58:29,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:58:29,685 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:58:29,685 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:58:29,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:58:29,686 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:58:29,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:58:29,687 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:58:29,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:58:29,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:58:29,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:58:29,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:58:29,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:58:29,688 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:58:29,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:58:29,689 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 12:58:29,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:58:29,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:58:29,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:58:29,697 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:58:29,697 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:58:29,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:58:29,697 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:58:29,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:58:29,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:58:29,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:58:29,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:58:29,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:58:29,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:58:29,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:58:29,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:58:29,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:58:29,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:58:29,700 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_3939a50d-c22f-4210-be43-02d6c6653799/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 -> cfed73d0949579dcb398cd2d92995791596ce6cd [2018-12-08 12:58:29,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:58:29,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:58:29,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:58:29,731 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:58:29,732 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:58:29,732 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-08 12:58:29,769 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/data/f60e12be9/0bbbc1c2e2854f1caaf17ff5cf4df493/FLAG0edf43ac4 [2018-12-08 12:58:30,147 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:58:30,148 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-08 12:58:30,156 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/data/f60e12be9/0bbbc1c2e2854f1caaf17ff5cf4df493/FLAG0edf43ac4 [2018-12-08 12:58:30,509 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/data/f60e12be9/0bbbc1c2e2854f1caaf17ff5cf4df493 [2018-12-08 12:58:30,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:58:30,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:58:30,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:58:30,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:58:30,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:58:30,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30, skipping insertion in model container [2018-12-08 12:58:30,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,522 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:58:30,545 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:58:30,705 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:58:30,747 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:58:30,802 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:58:30,819 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:58:30,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30 WrapperNode [2018-12-08 12:58:30,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:58:30,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:58:30,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:58:30,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:58:30,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:58:30,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:58:30,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:58:30,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:58:30,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... [2018-12-08 12:58:30,862 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:58:30,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:58:30,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:58:30,863 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:58:30,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 12:58:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 12:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:58:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:58:30,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 12:58:30,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 12:58:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 12:58:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 12:58:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 12:58:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 12:58:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:58:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:58:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 12:58:30,898 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 12:58:30,898 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 12:58:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 12:58:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 12:58:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 12:58:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 12:58:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 12:58:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:58:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:58:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:58:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:58:30,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:58:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:58:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 12:58:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 12:58:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 12:58:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 12:58:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:58:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:58:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 12:58:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 12:58:30,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 12:58:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 12:58:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:58:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:58:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 12:58:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 12:58:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 12:58:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 12:58:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 12:58:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 12:58:30,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:58:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:58:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-08 12:58:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-08 12:58:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:58:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:58:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:58:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:58:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:58:30,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 12:58:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 12:58:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 12:58:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 12:58:30,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:58:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:58:31,190 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:58:31,191 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 12:58:31,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:58:31 BoogieIcfgContainer [2018-12-08 12:58:31,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:58:31,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:58:31,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:58:31,193 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:58:31,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:58:30" (1/3) ... [2018-12-08 12:58:31,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa94cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:58:31, skipping insertion in model container [2018-12-08 12:58:31,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:58:30" (2/3) ... [2018-12-08 12:58:31,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa94cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:58:31, skipping insertion in model container [2018-12-08 12:58:31,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:58:31" (3/3) ... [2018-12-08 12:58:31,196 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-08 12:58:31,201 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:58:31,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 12:58:31,216 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 12:58:31,233 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:58:31,234 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:58:31,234 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 12:58:31,234 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:58:31,234 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:58:31,234 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:58:31,234 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:58:31,234 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:58:31,234 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:58:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-08 12:58:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 12:58:31,251 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:31,252 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:31,253 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:31,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:31,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-12-08 12:58:31,257 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:31,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:31,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:31,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:31,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:31,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:58:31,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 12:58:31,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 12:58:31,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:58:31,406 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-08 12:58:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:31,430 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-12-08 12:58:31,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:58:31,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 12:58:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:31,438 INFO L225 Difference]: With dead ends: 280 [2018-12-08 12:58:31,438 INFO L226 Difference]: Without dead ends: 140 [2018-12-08 12:58:31,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:58:31,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-08 12:58:31,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-08 12:58:31,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-08 12:58:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-08 12:58:31,471 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-12-08 12:58:31,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:31,472 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-08 12:58:31,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 12:58:31,472 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-08 12:58:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 12:58:31,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:31,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:31,474 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:31,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:31,474 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-12-08 12:58:31,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:31,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:31,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:31,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:31,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:31,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:31,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:58:31,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:58:31,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:58:31,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:58:31,538 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-12-08 12:58:31,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:31,551 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-12-08 12:58:31,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:58:31,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 12:58:31,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:31,552 INFO L225 Difference]: With dead ends: 225 [2018-12-08 12:58:31,553 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 12:58:31,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:58:31,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 12:58:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 12:58:31,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 12:58:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-12-08 12:58:31,561 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-12-08 12:58:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:31,561 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-12-08 12:58:31,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:58:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-12-08 12:58:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 12:58:31,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:31,562 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] [2018-12-08 12:58:31,563 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:31,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:31,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-12-08 12:58:31,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:31,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:31,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:31,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:31,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:31,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:58:31,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:58:31,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:58:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:58:31,644 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-12-08 12:58:31,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:31,799 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-12-08 12:58:31,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:58:31,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-08 12:58:31,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:31,800 INFO L225 Difference]: With dead ends: 238 [2018-12-08 12:58:31,800 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 12:58:31,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:58:31,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 12:58:31,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 12:58:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 12:58:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-08 12:58:31,809 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-12-08 12:58:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:31,809 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-08 12:58:31,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:58:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-08 12:58:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 12:58:31,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:31,811 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] [2018-12-08 12:58:31,811 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:31,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:31,811 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-12-08 12:58:31,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:31,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:31,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:31,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:31,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:31,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:58:31,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:58:31,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:58:31,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:58:31,864 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-12-08 12:58:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:32,163 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-12-08 12:58:32,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:58:32,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-08 12:58:32,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:32,164 INFO L225 Difference]: With dead ends: 356 [2018-12-08 12:58:32,164 INFO L226 Difference]: Without dead ends: 249 [2018-12-08 12:58:32,165 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 [2018-12-08 12:58:32,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-08 12:58:32,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-12-08 12:58:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-12-08 12:58:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-12-08 12:58:32,180 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-12-08 12:58:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:32,181 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-12-08 12:58:32,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:58:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-12-08 12:58:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-08 12:58:32,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:32,182 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:32,182 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:32,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:32,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-12-08 12:58:32,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:32,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:32,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:32,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:32,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:32,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:32,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:58:32,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:58:32,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:58:32,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:58:32,231 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-12-08 12:58:32,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:32,338 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-12-08 12:58:32,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:58:32,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-08 12:58:32,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:32,342 INFO L225 Difference]: With dead ends: 570 [2018-12-08 12:58:32,342 INFO L226 Difference]: Without dead ends: 364 [2018-12-08 12:58:32,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:58:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-08 12:58:32,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-12-08 12:58:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-12-08 12:58:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-12-08 12:58:32,372 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-12-08 12:58:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:32,372 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-12-08 12:58:32,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:58:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-12-08 12:58:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:58:32,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:32,375 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:32,375 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:32,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:32,375 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-12-08 12:58:32,376 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:32,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:32,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:32,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:32,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:32,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:58:32,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:58:32,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:58:32,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:58:32,485 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-12-08 12:58:32,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:32,639 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-12-08 12:58:32,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:58:32,639 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-08 12:58:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:32,642 INFO L225 Difference]: With dead ends: 767 [2018-12-08 12:58:32,642 INFO L226 Difference]: Without dead ends: 561 [2018-12-08 12:58:32,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:58:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-12-08 12:58:32,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-12-08 12:58:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-08 12:58:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-12-08 12:58:32,668 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-12-08 12:58:32,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:32,669 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-12-08 12:58:32,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:58:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-12-08 12:58:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:58:32,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:32,670 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:32,670 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:32,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:32,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-12-08 12:58:32,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:32,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:32,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:32,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:32,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:58:32,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:58:32,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:58:32,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:58:32,706 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-12-08 12:58:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:32,731 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-12-08 12:58:32,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 12:58:32,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-08 12:58:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:32,733 INFO L225 Difference]: With dead ends: 942 [2018-12-08 12:58:32,733 INFO L226 Difference]: Without dead ends: 553 [2018-12-08 12:58:32,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:58:32,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-08 12:58:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-08 12:58:32,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-08 12:58:32,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-12-08 12:58:32,752 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-12-08 12:58:32,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:32,752 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-12-08 12:58:32,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:58:32,752 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-12-08 12:58:32,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 12:58:32,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:32,753 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:58:32,754 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:32,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:32,754 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-12-08 12:58:32,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:32,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:32,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:32,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:32,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:32,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 12:58:32,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 12:58:32,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 12:58:32,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:58:32,821 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-12-08 12:58:32,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:32,857 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-12-08 12:58:32,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 12:58:32,857 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-08 12:58:32,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:32,860 INFO L225 Difference]: With dead ends: 1087 [2018-12-08 12:58:32,860 INFO L226 Difference]: Without dead ends: 564 [2018-12-08 12:58:32,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:58:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-08 12:58:32,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-12-08 12:58:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-08 12:58:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-12-08 12:58:32,879 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-12-08 12:58:32,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:32,880 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-12-08 12:58:32,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 12:58:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-12-08 12:58:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 12:58:32,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:32,881 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] [2018-12-08 12:58:32,881 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:32,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:32,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-12-08 12:58:32,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:32,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:32,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:32,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:58:32,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:58:32,937 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:58:32,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:33,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:58:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:58:33,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:58:33,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-08 12:58:33,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 12:58:33,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 12:58:33,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 12:58:33,123 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 14 states. [2018-12-08 12:58:33,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:33,573 INFO L93 Difference]: Finished difference Result 1499 states and 1821 transitions. [2018-12-08 12:58:33,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 12:58:33,574 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-12-08 12:58:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:33,578 INFO L225 Difference]: With dead ends: 1499 [2018-12-08 12:58:33,578 INFO L226 Difference]: Without dead ends: 969 [2018-12-08 12:58:33,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-08 12:58:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-08 12:58:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 966. [2018-12-08 12:58:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-12-08 12:58:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1126 transitions. [2018-12-08 12:58:33,625 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1126 transitions. Word has length 101 [2018-12-08 12:58:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:33,626 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 1126 transitions. [2018-12-08 12:58:33,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 12:58:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1126 transitions. [2018-12-08 12:58:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 12:58:33,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:33,628 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, 1, 1, 1] [2018-12-08 12:58:33,628 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:33,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:33,629 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-12-08 12:58:33,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:33,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:33,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:33,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:33,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:58:33,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:33,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 12:58:33,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 12:58:33,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 12:58:33,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:58:33,712 INFO L87 Difference]: Start difference. First operand 966 states and 1126 transitions. Second operand 10 states. [2018-12-08 12:58:33,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:33,850 INFO L93 Difference]: Finished difference Result 1882 states and 2224 transitions. [2018-12-08 12:58:33,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 12:58:33,850 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-08 12:58:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:33,853 INFO L225 Difference]: With dead ends: 1882 [2018-12-08 12:58:33,853 INFO L226 Difference]: Without dead ends: 940 [2018-12-08 12:58:33,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:58:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-12-08 12:58:33,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 924. [2018-12-08 12:58:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-12-08 12:58:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1075 transitions. [2018-12-08 12:58:33,886 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1075 transitions. Word has length 105 [2018-12-08 12:58:33,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:33,887 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1075 transitions. [2018-12-08 12:58:33,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 12:58:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1075 transitions. [2018-12-08 12:58:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 12:58:33,888 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:33,888 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, 1, 1, 1] [2018-12-08 12:58:33,889 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:33,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:33,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-12-08 12:58:33,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:33,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:33,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:33,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:33,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:58:33,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:58:33,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 12:58:33,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 12:58:33,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 12:58:33,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:58:33,955 INFO L87 Difference]: Start difference. First operand 924 states and 1075 transitions. Second operand 10 states. [2018-12-08 12:58:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:34,097 INFO L93 Difference]: Finished difference Result 1830 states and 2132 transitions. [2018-12-08 12:58:34,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 12:58:34,097 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-08 12:58:34,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:34,099 INFO L225 Difference]: With dead ends: 1830 [2018-12-08 12:58:34,100 INFO L226 Difference]: Without dead ends: 930 [2018-12-08 12:58:34,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:58:34,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-12-08 12:58:34,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 886. [2018-12-08 12:58:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-12-08 12:58:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1001 transitions. [2018-12-08 12:58:34,124 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1001 transitions. Word has length 105 [2018-12-08 12:58:34,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:34,124 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1001 transitions. [2018-12-08 12:58:34,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 12:58:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1001 transitions. [2018-12-08 12:58:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 12:58:34,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:58:34,126 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] [2018-12-08 12:58:34,127 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:58:34,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:58:34,127 INFO L82 PathProgramCache]: Analyzing trace with hash 769747120, now seen corresponding path program 1 times [2018-12-08 12:58:34,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:58:34,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:58:34,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:34,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:34,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:58:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 12:58:34,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:58:34,161 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/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 [2018-12-08 12:58:34,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:58:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:58:34,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:58:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 12:58:34,354 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:58:34,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-12-08 12:58:34,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 12:58:34,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 12:58:34,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 12:58:34,355 INFO L87 Difference]: Start difference. First operand 886 states and 1001 transitions. Second operand 14 states. [2018-12-08 12:58:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:58:35,121 INFO L93 Difference]: Finished difference Result 2155 states and 2767 transitions. [2018-12-08 12:58:35,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 12:58:35,121 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-12-08 12:58:35,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:58:35,122 INFO L225 Difference]: With dead ends: 2155 [2018-12-08 12:58:35,122 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 12:58:35,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-12-08 12:58:35,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 12:58:35,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 12:58:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 12:58:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:58:35,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-08 12:58:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:58:35,125 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:58:35,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 12:58:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:58:35,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:58:35,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 12:58:35,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:35,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:58:36,009 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2018-12-08 12:58:36,451 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2018-12-08 12:58:36,992 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-12-08 12:58:37,161 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-08 12:58:37,543 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2018-12-08 12:58:38,356 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-08 12:58:38,357 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-08 12:58:38,357 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,357 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:58:38,357 INFO L444 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-12-08 12:58:38,357 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-12-08 12:58:38,358 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,358 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-08 12:58:38,358 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2018-12-08 12:58:38,358 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~5 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (and .cse9 (<= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse8 .cse6 .cse7 .cse3)))) [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-08 12:58:38,359 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-08 12:58:38,360 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-12-08 12:58:38,360 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-08 12:58:38,360 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-08 12:58:38,361 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-12-08 12:58:38,361 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-12-08 12:58:38,361 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-12-08 12:58:38,362 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-12-08 12:58:38,362 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-12-08 12:58:38,362 INFO L444 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-12-08 12:58:38,362 INFO L444 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-12-08 12:58:38,362 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 12:58:38,362 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L444 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-12-08 12:58:38,363 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-12-08 12:58:38,363 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 12:58:38,363 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 12:58:38,364 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= 0 ~pumpRunning~0))))) [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-12-08 12:58:38,364 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse4 .cse3 .cse7) (or .cse1 .cse0 .cse5 .cse4 .cse3) (or .cse4 (or .cse2 .cse3 .cse7) .cse6))) [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-12-08 12:58:38,365 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse11 (and .cse8 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1)))) (and (or .cse0 (and .cse1 (<= ~waterLevel~0 2)) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse6 .cse7) (or .cse5 (and .cse8 .cse1) .cse0 .cse2 .cse3) (or .cse5 .cse9 .cse3 .cse7 .cse10) (or .cse10 .cse9 .cse3 .cse7 .cse4) (or .cse2 (or .cse9 .cse3 .cse4) .cse11) (or .cse0 .cse3 .cse7 .cse4 .cse6) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse8 .cse3 .cse4) (or (or .cse5 .cse9 .cse3) .cse2 .cse11)))) [2018-12-08 12:58:38,366 INFO L444 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 1)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and .cse9 .cse10 .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 .cse14 .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2) .cse7 .cse8) (or .cse0 (and .cse9 .cse10) .cse1 .cse7 .cse2) (or .cse11 .cse6 .cse2 .cse4 .cse12) (or .cse1 .cse3 .cse2 .cse4 .cse12) (or .cse1 .cse5 (and .cse9 .cse13) .cse7 .cse2 .cse12) (or .cse0 .cse6 .cse2 .cse11 .cse4) (or .cse5 .cse7 (or .cse6 .cse2 .cse12) .cse8)))) [2018-12-08 12:58:38,366 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse7 .cse2 .cse3)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3) (or .cse0 (and (<= ~waterLevel~0 2) .cse10) .cse9) (or (and .cse1 .cse10) .cse9 (or .cse2 .cse3 .cse5)) (or .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse3 .cse5)))) [2018-12-08 12:58:38,366 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-12-08 12:58:38,366 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (= ~pumpRunning~0 1)) (.cse13 (or .cse9 .cse6 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse10 (= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse3 (or .cse6 .cse4 .cse5) (and .cse7 .cse8)) (or .cse9 .cse0 .cse4 .cse10 .cse11) (or .cse9 (and .cse7 .cse1) .cse0 .cse3 .cse4) (or .cse12 .cse13 .cse7) (or .cse10 .cse6 .cse4 .cse11 .cse5) (or (and .cse2 .cse8) .cse13 .cse3) (or .cse0 .cse4 .cse11 .cse5 .cse10) (or .cse10 .cse9 .cse6 .cse4 .cse11) (or .cse12 .cse0 .cse7 .cse4 .cse5)))) [2018-12-08 12:58:38,366 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-12-08 12:58:38,366 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-12-08 12:58:38,366 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-12-08 12:58:38,366 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-12-08 12:58:38,366 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-12-08 12:58:38,366 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-12-08 12:58:38,367 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse2 .cse5) (or .cse3 .cse4 .cse2 .cse5))) [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-08 12:58:38,367 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-08 12:58:38,368 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse1))) [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse0 .cse6) (or .cse0 (<= ~waterLevel~0 2) .cse2 .cse4 .cse7) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 (< 1 |old(~waterLevel~0)|) .cse4 .cse3 .cse7))) [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-12-08 12:58:38,368 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-08 12:58:38,369 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse4 .cse6 .cse0 .cse2) (or .cse4 (or .cse5 .cse1 .cse2) .cse0) (or .cse6 .cse4 .cse0 .cse2 .cse3))) [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3) (or .cse6 .cse2 .cse5 .cse3 .cse4) (or .cse7 .cse8 .cse6 .cse0 .cse2) (or .cse7 .cse6 .cse2 .cse4 .cse5) (or .cse9 (or .cse7 .cse1 .cse2) .cse8) (or .cse9 .cse6 .cse8 .cse2 .cse3) (or .cse9 .cse8 .cse1 .cse2 .cse3))) [2018-12-08 12:58:38,369 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-12-08 12:58:38,369 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-12-08 12:58:38,370 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-08 12:58:38,370 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-12-08 12:58:38,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:58:38 BoogieIcfgContainer [2018-12-08 12:58:38,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:58:38,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:58:38,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:58:38,380 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:58:38,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:58:31" (3/4) ... [2018-12-08 12:58:38,383 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:58:38,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-08 12:58:38,389 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:58:38,390 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 12:58:38,395 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 12:58:38,395 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 12:58:38,395 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 12:58:38,396 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:58:38,396 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:58:38,396 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:58:38,413 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-08 12:58:38,413 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 12:58:38,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3939a50d-c22f-4210-be43-02d6c6653799/bin-2019/uautomizer/witness.graphml [2018-12-08 12:58:38,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:58:38,436 INFO L168 Benchmark]: Toolchain (without parser) took 7924.35 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.4 MB). Free memory was 956.0 MB in the beginning and 1.3 GB in the end (delta: -295.0 MB). Peak memory consumption was 69.4 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: RCFGBuilder took 328.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: TraceAbstraction took 7188.27 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 295.7 MB). Free memory was 996.5 MB in the beginning and 1.3 GB in the end (delta: -267.7 MB). Peak memory consumption was 576.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,437 INFO L168 Benchmark]: Witness Printer took 55.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:58:38,438 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.1 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.83 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 328.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7188.27 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 295.7 MB). Free memory was 996.5 MB in the beginning and 1.3 GB in the end (delta: -267.7 MB). Peak memory consumption was 576.2 MB. Max. memory is 11.5 GB. * Witness Printer took 55.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 7.1s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2168 SDtfs, 1451 SDslu, 8220 SDs, 0 SdLazy, 3080 SolverSat, 546 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=966occurred in iteration=9, 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, 120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2647 PreInvPairs, 2998 NumberOfFragments, 3089 HoareAnnotationTreeSize, 2647 FomulaSimplifications, 6194 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 16356 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1290 ConstructedInterpolants, 0 QuantifiedInterpolants, 225642 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1632 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 88/102 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...