./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/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 8b70f1184a0eb3743d86be3e0236101e1312b9f0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:50:51,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:50:51,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:50:51,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:50:51,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:50:51,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:50:51,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:50:51,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:50:51,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:50:51,159 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:50:51,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:50:51,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:50:51,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:50:51,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:50:51,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:50:51,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:50:51,162 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:50:51,163 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:50:51,164 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:50:51,165 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:50:51,165 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:50:51,166 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:50:51,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:50:51,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:50:51,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:50:51,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:50:51,168 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:50:51,169 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:50:51,169 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:50:51,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:50:51,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:50:51,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:50:51,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:50:51,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:50:51,171 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:50:51,172 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:50:51,172 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 12:50:51,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:50:51,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:50:51,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 12:50:51,180 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 12:50:51,181 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:50:51,181 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:50:51,181 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:50:51,181 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:50:51,181 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:50:51,181 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:50:51,181 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:50:51,182 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 12:50:51,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:50:51,183 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 12:50:51,183 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 12:50:51,184 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:50:51,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 12:50:51,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 12:50:51,184 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_1b35c240-c65b-4e93-a015-cde82055cd19/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 -> 8b70f1184a0eb3743d86be3e0236101e1312b9f0 [2018-12-08 12:50:51,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:50:51,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:50:51,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:50:51,212 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:50:51,212 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:50:51,212 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-12-08 12:50:51,247 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/data/17cbf6bf5/b580d9d530724e28927198f9715b7a0a/FLAGe9973359f [2018-12-08 12:50:51,732 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:50:51,732 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-12-08 12:50:51,738 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/data/17cbf6bf5/b580d9d530724e28927198f9715b7a0a/FLAGe9973359f [2018-12-08 12:50:51,747 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/data/17cbf6bf5/b580d9d530724e28927198f9715b7a0a [2018-12-08 12:50:51,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:50:51,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:50:51,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:50:51,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:50:51,752 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:50:51,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:50:51" (1/1) ... [2018-12-08 12:50:51,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:51, skipping insertion in model container [2018-12-08 12:50:51,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:50:51" (1/1) ... [2018-12-08 12:50:51,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:50:51,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:50:51,953 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:50:51,994 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:50:52,037 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:50:52,054 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:50:52,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52 WrapperNode [2018-12-08 12:50:52,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:50:52,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:50:52,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:50:52,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:50:52,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:50:52,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:50:52,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:50:52,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:50:52,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... [2018-12-08 12:50:52,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:50:52,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:50:52,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:50:52,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:50:52,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 12:50:52,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 12:50:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 12:50:52,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 12:50:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 12:50:52,130 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 12:50:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 12:50:52,131 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 12:50:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 12:50:52,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 12:50:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 12:50:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 12:50:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 12:50:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 12:50:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 12:50:52,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:50:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:50:52,414 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:50:52,415 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 12:50:52,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:52 BoogieIcfgContainer [2018-12-08 12:50:52,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:50:52,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 12:50:52,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 12:50:52,417 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 12:50:52,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 12:50:51" (1/3) ... [2018-12-08 12:50:52,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40052953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:50:52, skipping insertion in model container [2018-12-08 12:50:52,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:50:52" (2/3) ... [2018-12-08 12:50:52,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40052953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 12:50:52, skipping insertion in model container [2018-12-08 12:50:52,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:52" (3/3) ... [2018-12-08 12:50:52,420 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-12-08 12:50:52,425 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 12:50:52,430 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 12:50:52,439 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 12:50:52,457 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:50:52,457 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 12:50:52,457 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 12:50:52,457 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 12:50:52,457 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:50:52,457 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:50:52,458 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 12:50:52,458 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:50:52,458 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 12:50:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-12-08 12:50:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 12:50:52,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:52,476 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:52,477 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:52,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:52,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1049361000, now seen corresponding path program 1 times [2018-12-08 12:50:52,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:52,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:52,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:52,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:52,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:52,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 12:50:52,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 12:50:52,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 12:50:52,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:50:52,629 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-12-08 12:50:52,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:52,654 INFO L93 Difference]: Finished difference Result 322 states and 399 transitions. [2018-12-08 12:50:52,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 12:50:52,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 12:50:52,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:52,662 INFO L225 Difference]: With dead ends: 322 [2018-12-08 12:50:52,662 INFO L226 Difference]: Without dead ends: 163 [2018-12-08 12:50:52,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 12:50:52,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-12-08 12:50:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-12-08 12:50:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-08 12:50:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2018-12-08 12:50:52,698 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2018-12-08 12:50:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:52,698 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2018-12-08 12:50:52,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 12:50:52,699 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2018-12-08 12:50:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 12:50:52,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:52,701 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:52,701 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:52,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:52,701 INFO L82 PathProgramCache]: Analyzing trace with hash -116176067, now seen corresponding path program 1 times [2018-12-08 12:50:52,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:52,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:52,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:52,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:52,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:52,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:52,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 12:50:52,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 12:50:52,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 12:50:52,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:50:52,754 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2018-12-08 12:50:52,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:52,768 INFO L93 Difference]: Finished difference Result 271 states and 321 transitions. [2018-12-08 12:50:52,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 12:50:52,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 12:50:52,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:52,770 INFO L225 Difference]: With dead ends: 271 [2018-12-08 12:50:52,770 INFO L226 Difference]: Without dead ends: 154 [2018-12-08 12:50:52,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 12:50:52,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-08 12:50:52,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-08 12:50:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-08 12:50:52,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2018-12-08 12:50:52,780 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 60 [2018-12-08 12:50:52,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:52,780 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2018-12-08 12:50:52,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 12:50:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2018-12-08 12:50:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 12:50:52,781 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:52,781 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:52,782 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:52,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:52,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1168620969, now seen corresponding path program 1 times [2018-12-08 12:50:52,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:52,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:52,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:52,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:52,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:52,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:50:52,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:50:52,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:50:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:50:52,859 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2018-12-08 12:50:53,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:53,029 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2018-12-08 12:50:53,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:50:53,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 12:50:53,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:53,030 INFO L225 Difference]: With dead ends: 280 [2018-12-08 12:50:53,030 INFO L226 Difference]: Without dead ends: 154 [2018-12-08 12:50:53,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 12:50:53,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-08 12:50:53,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-08 12:50:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-08 12:50:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2018-12-08 12:50:53,039 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 64 [2018-12-08 12:50:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:53,040 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2018-12-08 12:50:53,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:50:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2018-12-08 12:50:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 12:50:53,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:53,042 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:53,042 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:53,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:53,043 INFO L82 PathProgramCache]: Analyzing trace with hash -909291022, now seen corresponding path program 1 times [2018-12-08 12:50:53,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:53,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:53,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:53,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:53,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:53,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 12:50:53,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 12:50:53,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 12:50:53,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 12:50:53,108 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 5 states. [2018-12-08 12:50:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:53,410 INFO L93 Difference]: Finished difference Result 399 states and 482 transitions. [2018-12-08 12:50:53,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 12:50:53,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-12-08 12:50:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:53,412 INFO L225 Difference]: With dead ends: 399 [2018-12-08 12:50:53,412 INFO L226 Difference]: Without dead ends: 273 [2018-12-08 12:50:53,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:50:53,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-08 12:50:53,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 255. [2018-12-08 12:50:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-12-08 12:50:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2018-12-08 12:50:53,429 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 82 [2018-12-08 12:50:53,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:53,429 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2018-12-08 12:50:53,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 12:50:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2018-12-08 12:50:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 12:50:53,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:53,431 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:53,431 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:53,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:53,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1004802510, now seen corresponding path program 1 times [2018-12-08 12:50:53,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:53,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:53,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:53,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:53,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:53,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 12:50:53,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 12:50:53,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 12:50:53,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:50:53,508 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand 8 states. [2018-12-08 12:50:53,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:53,555 INFO L93 Difference]: Finished difference Result 489 states and 571 transitions. [2018-12-08 12:50:53,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 12:50:53,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2018-12-08 12:50:53,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:53,558 INFO L225 Difference]: With dead ends: 489 [2018-12-08 12:50:53,558 INFO L226 Difference]: Without dead ends: 262 [2018-12-08 12:50:53,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 12:50:53,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-12-08 12:50:53,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2018-12-08 12:50:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-12-08 12:50:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 294 transitions. [2018-12-08 12:50:53,580 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 294 transitions. Word has length 96 [2018-12-08 12:50:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:53,581 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 294 transitions. [2018-12-08 12:50:53,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 12:50:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 294 transitions. [2018-12-08 12:50:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-08 12:50:53,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:53,582 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:53,583 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:53,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1279562124, now seen corresponding path program 1 times [2018-12-08 12:50:53,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:53,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:53,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:53,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:53,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 12:50:53,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:53,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 12:50:53,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 12:50:53,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 12:50:53,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:50:53,684 INFO L87 Difference]: Start difference. First operand 259 states and 294 transitions. Second operand 7 states. [2018-12-08 12:50:54,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:54,024 INFO L93 Difference]: Finished difference Result 507 states and 591 transitions. [2018-12-08 12:50:54,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 12:50:54,024 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-12-08 12:50:54,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:54,025 INFO L225 Difference]: With dead ends: 507 [2018-12-08 12:50:54,026 INFO L226 Difference]: Without dead ends: 276 [2018-12-08 12:50:54,026 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:50:54,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-12-08 12:50:54,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 258. [2018-12-08 12:50:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-08 12:50:54,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 291 transitions. [2018-12-08 12:50:54,036 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 291 transitions. Word has length 96 [2018-12-08 12:50:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:54,036 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 291 transitions. [2018-12-08 12:50:54,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 12:50:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 291 transitions. [2018-12-08 12:50:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 12:50:54,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:54,037 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:54,038 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:54,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:54,038 INFO L82 PathProgramCache]: Analyzing trace with hash 480938447, now seen corresponding path program 1 times [2018-12-08 12:50:54,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:54,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:54,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:54,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:54,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:54,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 12:50:54,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 12:50:54,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 12:50:54,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 12:50:54,081 INFO L87 Difference]: Start difference. First operand 258 states and 291 transitions. Second operand 6 states. [2018-12-08 12:50:54,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:54,108 INFO L93 Difference]: Finished difference Result 495 states and 572 transitions. [2018-12-08 12:50:54,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 12:50:54,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-12-08 12:50:54,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:54,110 INFO L225 Difference]: With dead ends: 495 [2018-12-08 12:50:54,110 INFO L226 Difference]: Without dead ends: 265 [2018-12-08 12:50:54,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 12:50:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-12-08 12:50:54,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2018-12-08 12:50:54,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-12-08 12:50:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2018-12-08 12:50:54,120 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 112 [2018-12-08 12:50:54,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:54,121 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2018-12-08 12:50:54,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 12:50:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2018-12-08 12:50:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 12:50:54,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:54,122 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:54,122 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:54,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:54,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1105696788, now seen corresponding path program 1 times [2018-12-08 12:50:54,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:54,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:54,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:54,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:54,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:54,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:54,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 12:50:54,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 12:50:54,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 12:50:54,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:50:54,167 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 4 states. [2018-12-08 12:50:54,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:54,307 INFO L93 Difference]: Finished difference Result 754 states and 890 transitions. [2018-12-08 12:50:54,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 12:50:54,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-12-08 12:50:54,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:54,310 INFO L225 Difference]: With dead ends: 754 [2018-12-08 12:50:54,310 INFO L226 Difference]: Without dead ends: 519 [2018-12-08 12:50:54,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 12:50:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-12-08 12:50:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 510. [2018-12-08 12:50:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2018-12-08 12:50:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 591 transitions. [2018-12-08 12:50:54,340 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 591 transitions. Word has length 112 [2018-12-08 12:50:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:54,340 INFO L480 AbstractCegarLoop]: Abstraction has 510 states and 591 transitions. [2018-12-08 12:50:54,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 12:50:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 591 transitions. [2018-12-08 12:50:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 12:50:54,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:54,342 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:54,342 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:54,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:54,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1537655450, now seen corresponding path program 1 times [2018-12-08 12:50:54,342 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:54,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:54,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:54,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 12:50:54,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 12:50:54,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 12:50:54,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 12:50:54,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 12:50:54,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 12:50:54,466 INFO L87 Difference]: Start difference. First operand 510 states and 591 transitions. Second operand 9 states. [2018-12-08 12:50:55,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:55,106 INFO L93 Difference]: Finished difference Result 1335 states and 1616 transitions. [2018-12-08 12:50:55,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 12:50:55,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2018-12-08 12:50:55,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:55,109 INFO L225 Difference]: With dead ends: 1335 [2018-12-08 12:50:55,109 INFO L226 Difference]: Without dead ends: 926 [2018-12-08 12:50:55,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 12:50:55,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-12-08 12:50:55,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 850. [2018-12-08 12:50:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-12-08 12:50:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 973 transitions. [2018-12-08 12:50:55,148 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 973 transitions. Word has length 116 [2018-12-08 12:50:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:55,148 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 973 transitions. [2018-12-08 12:50:55,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 12:50:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 973 transitions. [2018-12-08 12:50:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 12:50:55,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:55,150 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:55,150 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:55,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:55,150 INFO L82 PathProgramCache]: Analyzing trace with hash -154358625, now seen corresponding path program 1 times [2018-12-08 12:50:55,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:55,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:55,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:55,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:55,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 12:50:55,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:50:55,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:50:55,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:55,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:50:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 12:50:55,473 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:50:55,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-12-08 12:50:55,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 12:50:55,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 12:50:55,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-12-08 12:50:55,474 INFO L87 Difference]: Start difference. First operand 850 states and 973 transitions. Second operand 16 states. [2018-12-08 12:50:56,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:56,085 INFO L93 Difference]: Finished difference Result 1867 states and 2220 transitions. [2018-12-08 12:50:56,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 12:50:56,085 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 193 [2018-12-08 12:50:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:56,088 INFO L225 Difference]: With dead ends: 1867 [2018-12-08 12:50:56,088 INFO L226 Difference]: Without dead ends: 1116 [2018-12-08 12:50:56,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-12-08 12:50:56,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-12-08 12:50:56,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 996. [2018-12-08 12:50:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-12-08 12:50:56,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1153 transitions. [2018-12-08 12:50:56,125 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1153 transitions. Word has length 193 [2018-12-08 12:50:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:56,125 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1153 transitions. [2018-12-08 12:50:56,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 12:50:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1153 transitions. [2018-12-08 12:50:56,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 12:50:56,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:56,129 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-08 12:50:56,129 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:56,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:56,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1652385652, now seen corresponding path program 1 times [2018-12-08 12:50:56,129 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:56,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:56,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:56,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:56,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:56,272 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 95 proven. 9 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 12:50:56,273 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:50:56,273 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 12:50:56,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:56,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:50:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 12:50:56,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 12:50:56,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-12-08 12:50:56,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 12:50:56,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 12:50:56,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-08 12:50:56,556 INFO L87 Difference]: Start difference. First operand 996 states and 1153 transitions. Second operand 18 states. [2018-12-08 12:50:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:58,049 INFO L93 Difference]: Finished difference Result 2634 states and 3234 transitions. [2018-12-08 12:50:58,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 12:50:58,049 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-12-08 12:50:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:58,054 INFO L225 Difference]: With dead ends: 2634 [2018-12-08 12:50:58,054 INFO L226 Difference]: Without dead ends: 1419 [2018-12-08 12:50:58,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 336 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-12-08 12:50:58,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-12-08 12:50:58,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1315. [2018-12-08 12:50:58,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2018-12-08 12:50:58,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1509 transitions. [2018-12-08 12:50:58,114 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1509 transitions. Word has length 331 [2018-12-08 12:50:58,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:58,115 INFO L480 AbstractCegarLoop]: Abstraction has 1315 states and 1509 transitions. [2018-12-08 12:50:58,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 12:50:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1509 transitions. [2018-12-08 12:50:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-12-08 12:50:58,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 12:50:58,119 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 12:50:58,119 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 12:50:58,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:50:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1691193186, now seen corresponding path program 1 times [2018-12-08 12:50:58,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:50:58,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:50:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:58,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:58,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:50:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-08 12:50:58,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 12:50:58,227 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/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 [2018-12-08 12:50:58,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:50:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 12:50:58,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 12:50:58,457 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-08 12:50:58,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 12:50:58,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 12:50:58,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 12:50:58,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 12:50:58,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 12:50:58,484 INFO L87 Difference]: Start difference. First operand 1315 states and 1509 transitions. Second operand 13 states. [2018-12-08 12:50:58,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 12:50:58,533 INFO L93 Difference]: Finished difference Result 1611 states and 1838 transitions. [2018-12-08 12:50:58,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 12:50:58,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 416 [2018-12-08 12:50:58,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 12:50:58,534 INFO L225 Difference]: With dead ends: 1611 [2018-12-08 12:50:58,534 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 12:50:58,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 12:50:58,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 12:50:58,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 12:50:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 12:50:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 12:50:58,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2018-12-08 12:50:58,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 12:50:58,537 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 12:50:58,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 12:50:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 12:50:58,538 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 12:50:58,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 12:50:58,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:58,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 12:50:59,234 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-12-08 12:50:59,573 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-12-08 12:51:00,491 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-12-08 12:51:00,938 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2018-12-08 12:51:00,938 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2018-12-08 12:51:00,938 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2018-12-08 12:51:00,938 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 875) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L444 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5 .cse3))) [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 878) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L451 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2018-12-08 12:51:00,939 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-08 12:51:00,939 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L1015(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L1010(line 1010) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 200) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 205) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2018-12-08 12:51:00,940 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 12:51:00,940 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,941 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment__wrappee__methaneQuery_~tmp~2 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 356) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2018-12-08 12:51:00,941 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2018-12-08 12:51:00,941 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 226) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 231) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 12:51:00,942 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2018-12-08 12:51:00,942 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-12-08 12:51:00,943 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2018-12-08 12:51:00,943 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2018-12-08 12:51:00,943 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L444 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 256) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 243 259) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 12:51:00,944 INFO L444 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 337) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L451 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: true [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2018-12-08 12:51:00,944 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point L956(lines 931 960) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L451 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: true [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point L937-1(line 937) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point L128(lines 126 148) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-12-08 12:51:00,945 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L444 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-12-08 12:51:00,945 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2018-12-08 12:51:00,945 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L130(lines 126 148) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 12:51:00,946 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-12-08 12:51:00,946 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2018-12-08 12:51:00,947 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2018-12-08 12:51:00,947 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-12-08 12:51:00,947 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 12:51:00,947 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2018-12-08 12:51:00,947 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2018-12-08 12:51:00,947 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2018-12-08 12:51:00,947 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2018-12-08 12:51:00,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 12:51:00 BoogieIcfgContainer [2018-12-08 12:51:00,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 12:51:00,954 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:51:00,954 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:51:00,954 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:51:00,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:50:52" (3/4) ... [2018-12-08 12:51:00,957 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 12:51:00,961 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 12:51:00,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 12:51:00,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 12:51:00,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 12:51:00,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 12:51:00,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 12:51:00,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 12:51:00,968 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 12:51:00,968 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 12:51:00,968 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 12:51:00,968 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 12:51:00,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 12:51:00,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-12-08 12:51:01,007 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b35c240-c65b-4e93-a015-cde82055cd19/bin-2019/uautomizer/witness.graphml [2018-12-08 12:51:01,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:51:01,008 INFO L168 Benchmark]: Toolchain (without parser) took 9258.84 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 502.8 MB). Free memory was 957.1 MB in the beginning and 950.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 509.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:51:01,008 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:51:01,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 12:51:01,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:51:01,008 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:51:01,008 INFO L168 Benchmark]: RCFGBuilder took 318.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:51:01,009 INFO L168 Benchmark]: TraceAbstraction took 8538.63 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 412.6 MB). Free memory was 1.0 GB in the beginning and 965.8 MB in the end (delta: 50.7 MB). Peak memory consumption was 549.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:51:01,009 INFO L168 Benchmark]: Witness Printer took 52.88 ms. Allocated memory is still 1.5 GB. Free memory was 965.8 MB in the beginning and 950.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-12-08 12:51:01,010 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.75 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8538.63 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 412.6 MB). Free memory was 1.0 GB in the beginning and 965.8 MB in the end (delta: 50.7 MB). Peak memory consumption was 549.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.88 ms. Allocated memory is still 1.5 GB. Free memory was 965.8 MB in the beginning and 950.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 54]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 176 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2668 SDtfs, 2786 SDslu, 8281 SDs, 0 SdLazy, 5955 SolverSat, 1519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1131 GetRequests, 992 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 350 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2222 PreInvPairs, 2293 NumberOfFragments, 1954 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 9846 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 14881 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2677 NumberOfCodeBlocks, 2677 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2662 ConstructedInterpolants, 0 QuantifiedInterpolants, 919272 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3804 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1964/2019 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...