./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/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 99a0574ff0f23dd43b458f22f446fd063a15f78d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:56:39,133 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:56:39,134 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:56:39,140 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:56:39,140 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:56:39,141 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:56:39,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:56:39,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:56:39,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:56:39,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:56:39,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:56:39,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:56:39,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:56:39,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:56:39,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:56:39,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:56:39,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:56:39,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:56:39,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:56:39,152 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:56:39,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:56:39,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:56:39,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:56:39,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:56:39,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:56:39,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:56:39,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:56:39,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:56:39,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:56:39,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:56:39,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:56:39,159 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:56:39,159 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:56:39,159 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:56:39,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:56:39,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:56:39,160 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 12:56:39,167 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:56:39,167 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:56:39,168 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:56:39,168 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 12:56:39,168 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:56:39,168 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:56:39,169 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:56:39,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:56:39,169 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:56:39,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:56:39,169 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:56:39,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:56:39,170 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:56:39,171 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:56:39,171 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:56:39,171 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:56:39,171 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:56:39,171 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:56:39,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:56:39,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:56:39,172 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:56:39,172 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:56:39,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:56:39,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:56:39,172 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_85bf1487-d433-4bc9-9921-6509438c102c/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 -> 99a0574ff0f23dd43b458f22f446fd063a15f78d [2018-11-18 12:56:39,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:56:39,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:56:39,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:56:39,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:56:39,213 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:56:39,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:56:39,255 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/data/5a836e4ae/8d0220c8db4146b882bc295c55140300/FLAG41d146444 [2018-11-18 12:56:39,610 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:56:39,610 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/sv-benchmarks/c/product-lines/minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:56:39,618 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/data/5a836e4ae/8d0220c8db4146b882bc295c55140300/FLAG41d146444 [2018-11-18 12:56:39,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/data/5a836e4ae/8d0220c8db4146b882bc295c55140300 [2018-11-18 12:56:39,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:56:39,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 12:56:39,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:39,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:56:39,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:56:39,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:39" (1/1) ... [2018-11-18 12:56:39,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795311a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:39, skipping insertion in model container [2018-11-18 12:56:39,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:56:39" (1/1) ... [2018-11-18 12:56:39,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:56:39,683 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:56:39,904 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:39,912 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:56:40,022 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:56:40,040 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:56:40,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40 WrapperNode [2018-11-18 12:56:40,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:56:40,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:56:40,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:56:40,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:56:40,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... [2018-11-18 12:56:40,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:56:40,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:56:40,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:56:40,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:56:40,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:56:40,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 12:56:40,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 12:56:40,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 12:56:40,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:56:40,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:56:40,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:56:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 12:56:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 12:56:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:56:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:56:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 12:56:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:56:40,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:56:40,152 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 12:56:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:56:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:56:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:56:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:56:40,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:56:40,804 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:56:40,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:40 BoogieIcfgContainer [2018-11-18 12:56:40,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:56:40,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:56:40,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:56:40,807 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:56:40,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:56:39" (1/3) ... [2018-11-18 12:56:40,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793063ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:56:40, skipping insertion in model container [2018-11-18 12:56:40,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:56:40" (2/3) ... [2018-11-18 12:56:40,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793063ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:56:40, skipping insertion in model container [2018-11-18 12:56:40,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:40" (3/3) ... [2018-11-18 12:56:40,809 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:56:40,815 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:56:40,821 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:56:40,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:56:40,860 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:56:40,861 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:56:40,861 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:56:40,861 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:56:40,861 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:56:40,861 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:56:40,861 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:56:40,861 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:56:40,861 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:56:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2018-11-18 12:56:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:56:40,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:40,887 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:40,889 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:40,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:40,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1399148025, now seen corresponding path program 1 times [2018-11-18 12:56:40,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:40,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:40,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:40,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:40,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:41,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:41,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:56:41,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:56:41,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:56:41,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:56:41,110 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2018-11-18 12:56:41,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:41,142 INFO L93 Difference]: Finished difference Result 298 states and 361 transitions. [2018-11-18 12:56:41,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:56:41,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:56:41,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:41,151 INFO L225 Difference]: With dead ends: 298 [2018-11-18 12:56:41,152 INFO L226 Difference]: Without dead ends: 149 [2018-11-18 12:56:41,155 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:56:41,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-18 12:56:41,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-18 12:56:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-18 12:56:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 172 transitions. [2018-11-18 12:56:41,190 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 172 transitions. Word has length 46 [2018-11-18 12:56:41,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:41,190 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 172 transitions. [2018-11-18 12:56:41,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:56:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 172 transitions. [2018-11-18 12:56:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:56:41,192 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:41,192 INFO L375 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] [2018-11-18 12:56:41,192 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:41,193 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:41,193 INFO L82 PathProgramCache]: Analyzing trace with hash -509881938, now seen corresponding path program 1 times [2018-11-18 12:56:41,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:41,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:41,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:41,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:41,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:41,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:56:41,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:56:41,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:56:41,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:56:41,276 INFO L87 Difference]: Start difference. First operand 149 states and 172 transitions. Second operand 3 states. [2018-11-18 12:56:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:41,297 INFO L93 Difference]: Finished difference Result 241 states and 277 transitions. [2018-11-18 12:56:41,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:56:41,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:56:41,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:41,301 INFO L225 Difference]: With dead ends: 241 [2018-11-18 12:56:41,301 INFO L226 Difference]: Without dead ends: 139 [2018-11-18 12:56:41,302 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:56:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-18 12:56:41,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-18 12:56:41,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-18 12:56:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 159 transitions. [2018-11-18 12:56:41,314 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 159 transitions. Word has length 48 [2018-11-18 12:56:41,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:41,315 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 159 transitions. [2018-11-18 12:56:41,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:56:41,315 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 159 transitions. [2018-11-18 12:56:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:56:41,316 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:41,316 INFO L375 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] [2018-11-18 12:56:41,317 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:41,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:41,317 INFO L82 PathProgramCache]: Analyzing trace with hash -2027928076, now seen corresponding path program 1 times [2018-11-18 12:56:41,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:41,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:41,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:41,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:41,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:41,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:56:41,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:56:41,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:56:41,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:56:41,443 INFO L87 Difference]: Start difference. First operand 139 states and 159 transitions. Second operand 7 states. [2018-11-18 12:56:41,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:41,789 INFO L93 Difference]: Finished difference Result 254 states and 295 transitions. [2018-11-18 12:56:41,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:56:41,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 12:56:41,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:41,791 INFO L225 Difference]: With dead ends: 254 [2018-11-18 12:56:41,791 INFO L226 Difference]: Without dead ends: 139 [2018-11-18 12:56:41,792 INFO L604 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 [2018-11-18 12:56:41,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-18 12:56:41,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-18 12:56:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-18 12:56:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 158 transitions. [2018-11-18 12:56:41,804 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 158 transitions. Word has length 53 [2018-11-18 12:56:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:41,804 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 158 transitions. [2018-11-18 12:56:41,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:56:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 158 transitions. [2018-11-18 12:56:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:56:41,806 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:41,807 INFO L375 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] [2018-11-18 12:56:41,807 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:41,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:41,807 INFO L82 PathProgramCache]: Analyzing trace with hash -657240378, now seen corresponding path program 1 times [2018-11-18 12:56:41,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:41,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:41,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:41,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:41,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:41,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:41,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:56:41,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:56:41,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:56:41,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:56:41,913 INFO L87 Difference]: Start difference. First operand 139 states and 158 transitions. Second operand 5 states. [2018-11-18 12:56:42,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:42,231 INFO L93 Difference]: Finished difference Result 357 states and 423 transitions. [2018-11-18 12:56:42,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:56:42,231 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-18 12:56:42,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:42,232 INFO L225 Difference]: With dead ends: 357 [2018-11-18 12:56:42,232 INFO L226 Difference]: Without dead ends: 242 [2018-11-18 12:56:42,233 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:56:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-18 12:56:42,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 222. [2018-11-18 12:56:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 12:56:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 250 transitions. [2018-11-18 12:56:42,252 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 250 transitions. Word has length 66 [2018-11-18 12:56:42,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:42,253 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 250 transitions. [2018-11-18 12:56:42,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:56:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 250 transitions. [2018-11-18 12:56:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:56:42,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:42,254 INFO L375 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] [2018-11-18 12:56:42,254 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:42,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:42,255 INFO L82 PathProgramCache]: Analyzing trace with hash 323820449, now seen corresponding path program 1 times [2018-11-18 12:56:42,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:42,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:42,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:42,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:42,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:42,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:42,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 12:56:42,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:56:42,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:56:42,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:56:42,361 INFO L87 Difference]: Start difference. First operand 222 states and 250 transitions. Second operand 10 states. [2018-11-18 12:56:42,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:42,737 INFO L93 Difference]: Finished difference Result 726 states and 884 transitions. [2018-11-18 12:56:42,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:56:42,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2018-11-18 12:56:42,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:42,741 INFO L225 Difference]: With dead ends: 726 [2018-11-18 12:56:42,741 INFO L226 Difference]: Without dead ends: 528 [2018-11-18 12:56:42,742 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:56:42,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-18 12:56:42,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 518. [2018-11-18 12:56:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-11-18 12:56:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 601 transitions. [2018-11-18 12:56:42,770 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 601 transitions. Word has length 80 [2018-11-18 12:56:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:42,771 INFO L480 AbstractCegarLoop]: Abstraction has 518 states and 601 transitions. [2018-11-18 12:56:42,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:56:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 601 transitions. [2018-11-18 12:56:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 12:56:42,774 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:42,774 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:42,774 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:42,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:42,775 INFO L82 PathProgramCache]: Analyzing trace with hash 2048502947, now seen corresponding path program 1 times [2018-11-18 12:56:42,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:42,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:42,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:42,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:42,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:42,864 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 12:56:42,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:42,865 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:42,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:43,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:43,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:56:43,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-18 12:56:43,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:56:43,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:56:43,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:56:43,244 INFO L87 Difference]: Start difference. First operand 518 states and 601 transitions. Second operand 12 states. [2018-11-18 12:56:44,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:44,601 INFO L93 Difference]: Finished difference Result 1486 states and 1948 transitions. [2018-11-18 12:56:44,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:56:44,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 156 [2018-11-18 12:56:44,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:44,606 INFO L225 Difference]: With dead ends: 1486 [2018-11-18 12:56:44,606 INFO L226 Difference]: Without dead ends: 992 [2018-11-18 12:56:44,608 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-18 12:56:44,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2018-11-18 12:56:44,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 901. [2018-11-18 12:56:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-11-18 12:56:44,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1086 transitions. [2018-11-18 12:56:44,656 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1086 transitions. Word has length 156 [2018-11-18 12:56:44,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:44,657 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1086 transitions. [2018-11-18 12:56:44,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:56:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1086 transitions. [2018-11-18 12:56:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:56:44,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:44,660 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:56:44,660 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:44,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:44,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1608418892, now seen corresponding path program 1 times [2018-11-18 12:56:44,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:44,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:44,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:44,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:44,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:56:44,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:44,759 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:44,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:44,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:56:44,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:56:44,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 12:56:44,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:56:44,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:56:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:56:44,901 INFO L87 Difference]: Start difference. First operand 901 states and 1086 transitions. Second operand 11 states. [2018-11-18 12:56:44,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:44,946 INFO L93 Difference]: Finished difference Result 1592 states and 1960 transitions. [2018-11-18 12:56:44,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:56:44,947 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2018-11-18 12:56:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:44,949 INFO L225 Difference]: With dead ends: 1592 [2018-11-18 12:56:44,949 INFO L226 Difference]: Without dead ends: 715 [2018-11-18 12:56:44,951 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:56:44,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2018-11-18 12:56:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 715. [2018-11-18 12:56:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2018-11-18 12:56:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 854 transitions. [2018-11-18 12:56:44,977 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 854 transitions. Word has length 147 [2018-11-18 12:56:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:44,977 INFO L480 AbstractCegarLoop]: Abstraction has 715 states and 854 transitions. [2018-11-18 12:56:44,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:56:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 854 transitions. [2018-11-18 12:56:44,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 12:56:44,979 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:44,980 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:44,980 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:44,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:44,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1245874605, now seen corresponding path program 1 times [2018-11-18 12:56:44,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:44,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:44,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:44,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:44,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:56:45,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:45,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:56:45,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:56:45,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:56:45,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:56:45,071 INFO L87 Difference]: Start difference. First operand 715 states and 854 transitions. Second operand 6 states. [2018-11-18 12:56:45,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:45,122 INFO L93 Difference]: Finished difference Result 1357 states and 1643 transitions. [2018-11-18 12:56:45,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:56:45,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 12:56:45,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:45,125 INFO L225 Difference]: With dead ends: 1357 [2018-11-18 12:56:45,125 INFO L226 Difference]: Without dead ends: 730 [2018-11-18 12:56:45,127 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:56:45,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2018-11-18 12:56:45,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 730. [2018-11-18 12:56:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-18 12:56:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 869 transitions. [2018-11-18 12:56:45,150 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 869 transitions. Word has length 151 [2018-11-18 12:56:45,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:45,151 INFO L480 AbstractCegarLoop]: Abstraction has 730 states and 869 transitions. [2018-11-18 12:56:45,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:56:45,151 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 869 transitions. [2018-11-18 12:56:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 12:56:45,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:45,153 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:45,153 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:45,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:45,153 INFO L82 PathProgramCache]: Analyzing trace with hash 736401515, now seen corresponding path program 1 times [2018-11-18 12:56:45,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:45,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:45,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:45,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:45,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 12:56:45,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:45,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:56:45,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:56:45,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:56:45,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:56:45,223 INFO L87 Difference]: Start difference. First operand 730 states and 869 transitions. Second operand 6 states. [2018-11-18 12:56:45,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:45,354 INFO L93 Difference]: Finished difference Result 747 states and 888 transitions. [2018-11-18 12:56:45,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:56:45,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 12:56:45,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:45,356 INFO L225 Difference]: With dead ends: 747 [2018-11-18 12:56:45,357 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 12:56:45,357 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:56:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 12:56:45,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 730. [2018-11-18 12:56:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-18 12:56:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 865 transitions. [2018-11-18 12:56:45,379 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 865 transitions. Word has length 151 [2018-11-18 12:56:45,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:45,380 INFO L480 AbstractCegarLoop]: Abstraction has 730 states and 865 transitions. [2018-11-18 12:56:45,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:56:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 865 transitions. [2018-11-18 12:56:45,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 12:56:45,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:45,382 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:45,382 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:45,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:45,382 INFO L82 PathProgramCache]: Analyzing trace with hash 938834514, now seen corresponding path program 1 times [2018-11-18 12:56:45,382 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:45,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:45,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:45,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:45,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:56:45,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:45,491 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:45,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:45,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:45,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:45,648 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:56:45,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 12:56:45,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 12:56:45,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 12:56:45,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:56:45,649 INFO L87 Difference]: Start difference. First operand 730 states and 865 transitions. Second operand 14 states. [2018-11-18 12:56:47,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:47,347 INFO L93 Difference]: Finished difference Result 1572 states and 1965 transitions. [2018-11-18 12:56:47,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 12:56:47,348 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-18 12:56:47,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:47,350 INFO L225 Difference]: With dead ends: 1572 [2018-11-18 12:56:47,350 INFO L226 Difference]: Without dead ends: 930 [2018-11-18 12:56:47,352 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 12:56:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-11-18 12:56:47,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 791. [2018-11-18 12:56:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-18 12:56:47,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 925 transitions. [2018-11-18 12:56:47,379 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 925 transitions. Word has length 155 [2018-11-18 12:56:47,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:47,380 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 925 transitions. [2018-11-18 12:56:47,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 12:56:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 925 transitions. [2018-11-18 12:56:47,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 12:56:47,382 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:47,382 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:56:47,382 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:47,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:47,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1794159009, now seen corresponding path program 1 times [2018-11-18 12:56:47,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:56:47,383 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:56:47,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:47,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:47,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:56:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 12:56:47,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:56:47,469 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:56:47,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:47,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 12:56:47,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:56:47,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 12:56:47,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:56:47,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:56:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:56:47,644 INFO L87 Difference]: Start difference. First operand 791 states and 925 transitions. Second operand 13 states. [2018-11-18 12:56:47,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:47,685 INFO L93 Difference]: Finished difference Result 1058 states and 1239 transitions. [2018-11-18 12:56:47,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:56:47,686 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2018-11-18 12:56:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:47,687 INFO L225 Difference]: With dead ends: 1058 [2018-11-18 12:56:47,687 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:56:47,688 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:56:47,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:56:47,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:56:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:56:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:56:47,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2018-11-18 12:56:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:47,689 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:56:47,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:56:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:56:47,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:56:47,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:56:47,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:47,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:56:48,329 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2018-11-18 12:56:49,306 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 117 138) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L117-3(lines 117 138) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 174 199) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L174-3(lines 174 199) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2018-11-18 12:56:49,307 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 430) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2018-11-18 12:56:49,308 INFO L428 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: true [2018-11-18 12:56:49,308 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2018-11-18 12:56:49,308 INFO L425 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,309 INFO L421 ceAbstractionStarter]: At program point L638-1(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2018-11-18 12:56:49,309 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L421 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,310 INFO L421 ceAbstractionStarter]: At program point L644-1(line 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point L642(lines 642 649) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point L603(line 603) no Hoare annotation was computed. [2018-11-18 12:56:49,310 INFO L425 ceAbstractionStarter]: For program point L602(line 602) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L601(line 601) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L599(line 599) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L596(line 596) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2018-11-18 12:56:49,311 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L428 ceAbstractionStarter]: At program point L896(line 896) the Hoare annotation is: true [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point L896-1(line 896) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-18 12:56:49,312 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L853(lines 853 861) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2018-11-18 12:56:49,313 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2018-11-18 12:56:49,314 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L428 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-18 12:56:49,315 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,315 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-18 12:56:49,316 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L421 ceAbstractionStarter]: At program point L769(line 769) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,316 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))))) [2018-11-18 12:56:49,316 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2018-11-18 12:56:49,316 INFO L421 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point L759(lines 759 776) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,317 INFO L421 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2018-11-18 12:56:49,317 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 933) no Hoare annotation was computed. [2018-11-18 12:56:49,317 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 1) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,318 INFO L425 ceAbstractionStarter]: For program point L927-1(lines 927 974) no Hoare annotation was computed. [2018-11-18 12:56:49,318 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2018-11-18 12:56:49,318 INFO L421 ceAbstractionStarter]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:56:49,318 INFO L425 ceAbstractionStarter]: For program point L965(lines 965 969) no Hoare annotation was computed. [2018-11-18 12:56:49,318 INFO L421 ceAbstractionStarter]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:56:49,318 INFO L425 ceAbstractionStarter]: For program point L928(lines 927 974) no Hoare annotation was computed. [2018-11-18 12:56:49,318 INFO L421 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:56:49,318 INFO L425 ceAbstractionStarter]: For program point L957(lines 957 970) no Hoare annotation was computed. [2018-11-18 12:56:49,318 INFO L421 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L421 ceAbstractionStarter]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:56:49,319 INFO L421 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2018-11-18 12:56:49,319 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L506(lines 506 514) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2018-11-18 12:56:49,320 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L259-1(lines 259 279) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L259-3(lines 259 279) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2018-11-18 12:56:49,321 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L421 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 802) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,322 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point L879(lines 879 883) no Hoare annotation was computed. [2018-11-18 12:56:49,322 INFO L428 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-18 12:56:49,322 INFO L425 ceAbstractionStarter]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point L701(lines 700 719) no Hoare annotation was computed. [2018-11-18 12:56:49,323 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-18 12:56:49,323 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-18 12:56:49,324 INFO L421 ceAbstractionStarter]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~systemActive~0 1))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse3)) (.cse0 (not .cse3))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 .cse1 (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse0))))) [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point L570(lines 570 574) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L428 ceAbstractionStarter]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point L566-1(lines 566 580) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L428 ceAbstractionStarter]: At program point L566-3(lines 566 580) the Hoare annotation is: true [2018-11-18 12:56:49,324 INFO L428 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point L562-1(line 562) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L428 ceAbstractionStarter]: At program point L581(lines 556 585) the Hoare annotation is: true [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2018-11-18 12:56:49,324 INFO L425 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-18 12:56:49,324 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-18 12:56:49,325 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2018-11-18 12:56:49,325 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1)) (or (not (= 0 ~pumpRunning~0)) .cse0 (< ~waterLevel~0 1) .cse1))) [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point L737(lines 737 745) no Hoare annotation was computed. [2018-11-18 12:56:49,326 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,326 INFO L421 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point L735-1(line 735) no Hoare annotation was computed. [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 750) no Hoare annotation was computed. [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2018-11-18 12:56:49,326 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,326 INFO L425 ceAbstractionStarter]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2018-11-18 12:56:49,327 INFO L421 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,327 INFO L421 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 12:56:49,327 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-18 12:56:49,327 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-18 12:56:49,327 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-18 12:56:49,327 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2018-11-18 12:56:49,327 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2018-11-18 12:56:49,327 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2018-11-18 12:56:49,328 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2018-11-18 12:56:49,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:56:49 BoogieIcfgContainer [2018-11-18 12:56:49,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:56:49,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:56:49,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:56:49,338 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:56:49,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:56:40" (3/4) ... [2018-11-18 12:56:49,342 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 12:56:49,349 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:56:49,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:56:49,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:56:49,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:56:49,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:56:49,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:56:49,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:56:49,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:56:49,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:56:49,360 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 12:56:49,360 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:56:49,361 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:56:49,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:56:49,382 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:56:49,418 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_85bf1487-d433-4bc9-9921-6509438c102c/bin-2019/uautomizer/witness.graphml [2018-11-18 12:56:49,418 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:56:49,418 INFO L168 Benchmark]: Toolchain (without parser) took 9779.45 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.4 MB). Free memory was 957.0 MB in the beginning and 867.1 MB in the end (delta: 89.9 MB). Peak memory consumption was 400.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,419 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:56:49,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,419 INFO L168 Benchmark]: Boogie Preprocessor took 50.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,419 INFO L168 Benchmark]: RCFGBuilder took 712.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,420 INFO L168 Benchmark]: TraceAbstraction took 8533.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 875.8 MB in the end (delta: 169.5 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,420 INFO L168 Benchmark]: Witness Printer took 79.70 ms. Allocated memory is still 1.3 GB. Free memory was 875.8 MB in the beginning and 867.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:56:49,421 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -185.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 712.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.7 MB). Peak memory consumption was 91.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8533.19 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.0 GB in the beginning and 875.8 MB in the end (delta: 169.5 MB). Peak memory consumption was 326.2 MB. Max. memory is 11.5 GB. * Witness Printer took 79.70 ms. Allocated memory is still 1.3 GB. Free memory was 875.8 MB in the beginning and 867.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: 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: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 251 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1986 SDtfs, 2082 SDslu, 6795 SDs, 0 SdLazy, 5123 SolverSat, 1057 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 824 GetRequests, 700 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=901occurred in iteration=6, 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, 11 MinimizatonAttempts, 274 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1748 PreInvPairs, 1798 NumberOfFragments, 1010 HoareAnnotationTreeSize, 1748 FomulaSimplifications, 3510 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 4969 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1931 NumberOfCodeBlocks, 1931 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1916 ConstructedInterpolants, 0 QuantifiedInterpolants, 398388 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3284 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 457/492 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...