./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_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_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 10:09:53,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 10:09:53,135 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 10:09:53,141 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 10:09:53,141 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 10:09:53,142 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 10:09:53,142 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 10:09:53,143 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 10:09:53,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 10:09:53,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 10:09:53,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 10:09:53,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 10:09:53,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 10:09:53,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 10:09:53,148 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 10:09:53,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 10:09:53,149 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 10:09:53,150 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 10:09:53,151 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 10:09:53,153 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 10:09:53,153 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 10:09:53,154 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 10:09:53,156 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 10:09:53,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 10:09:53,157 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 10:09:53,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 10:09:53,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 10:09:53,159 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 10:09:53,159 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 10:09:53,160 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 10:09:53,160 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 10:09:53,161 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 10:09:53,161 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 10:09:53,161 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 10:09:53,162 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 10:09:53,163 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 10:09:53,163 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 10:09:53,173 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 10:09:53,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 10:09:53,174 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 10:09:53,174 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 10:09:53,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 10:09:53,174 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 10:09:53,174 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 10:09:53,175 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 10:09:53,175 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 10:09:53,175 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 10:09:53,175 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 10:09:53,175 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 10:09:53,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 10:09:53,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 10:09:53,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 10:09:53,177 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 10:09:53,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 10:09:53,177 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 10:09:53,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 10:09:53,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 10:09:53,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 10:09:53,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 10:09:53,178 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 10:09:53,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 10:09:53,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 10:09:53,178 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_876ee3db-5362-4a32-aed9-1148710db02e/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-12-01 10:09:53,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 10:09:53,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 10:09:53,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 10:09:53,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 10:09:53,207 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 10:09:53,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-01 10:09:53,246 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/data/11a5f6701/5b1dc945558740ffb1be4886b06d2238/FLAGba1674591 [2018-12-01 10:09:53,681 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 10:09:53,682 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-01 10:09:53,688 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/data/11a5f6701/5b1dc945558740ffb1be4886b06d2238/FLAGba1674591 [2018-12-01 10:09:53,695 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/data/11a5f6701/5b1dc945558740ffb1be4886b06d2238 [2018-12-01 10:09:53,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 10:09:53,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 10:09:53,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 10:09:53,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 10:09:53,700 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 10:09:53,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:53,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53, skipping insertion in model container [2018-12-01 10:09:53,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:53,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 10:09:53,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 10:09:53,874 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:09:53,915 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 10:09:53,958 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 10:09:53,974 INFO L195 MainTranslator]: Completed translation [2018-12-01 10:09:53,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53 WrapperNode [2018-12-01 10:09:53,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 10:09:53,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 10:09:53,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 10:09:53,975 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 10:09:53,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:53,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:53,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 10:09:53,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 10:09:53,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 10:09:53,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 10:09:54,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... [2018-12-01 10:09:54,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 10:09:54,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 10:09:54,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 10:09:54,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 10:09:54,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/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 [2018-12-01 10:09:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 10:09:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 10:09:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 10:09:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 10:09:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 10:09:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 10:09:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 10:09:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 10:09:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 10:09:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 10:09:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 10:09:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 10:09:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 10:09:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 10:09:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 10:09:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 10:09:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 10:09:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 10:09:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 10:09:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 10:09:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 10:09:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 10:09:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 10:09:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 10:09:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 10:09:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 10:09:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 10:09:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 10:09:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 10:09:54,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 10:09:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:09:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:09:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 10:09:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 10:09:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 10:09:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 10:09:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 10:09:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 10:09:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 10:09:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 10:09:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 10:09:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 10:09:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 10:09:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 10:09:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 10:09:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 10:09:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 10:09:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 10:09:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 10:09:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 10:09:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 10:09:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 10:09:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 10:09:54,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 10:09:54,387 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 10:09:54,387 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 10:09:54,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:54 BoogieIcfgContainer [2018-12-01 10:09:54,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 10:09:54,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 10:09:54,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 10:09:54,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 10:09:54,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:09:53" (1/3) ... [2018-12-01 10:09:54,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb53e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:09:54, skipping insertion in model container [2018-12-01 10:09:54,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:09:53" (2/3) ... [2018-12-01 10:09:54,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb53e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:09:54, skipping insertion in model container [2018-12-01 10:09:54,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:54" (3/3) ... [2018-12-01 10:09:54,394 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-01 10:09:54,400 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 10:09:54,406 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 10:09:54,415 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 10:09:54,436 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 10:09:54,436 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 10:09:54,436 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 10:09:54,436 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 10:09:54,436 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 10:09:54,436 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 10:09:54,436 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 10:09:54,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 10:09:54,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 10:09:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-01 10:09:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 10:09:54,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:54,456 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:54,457 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:54,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:54,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-12-01 10:09:54,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:54,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:54,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:54,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:54,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:54,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:54,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 10:09:54,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 10:09:54,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 10:09:54,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 10:09:54,622 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-01 10:09:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:54,648 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-12-01 10:09:54,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 10:09:54,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 10:09:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:54,658 INFO L225 Difference]: With dead ends: 300 [2018-12-01 10:09:54,658 INFO L226 Difference]: Without dead ends: 150 [2018-12-01 10:09:54,661 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 [2018-12-01 10:09:54,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-01 10:09:54,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-01 10:09:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-01 10:09:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-12-01 10:09:54,694 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-12-01 10:09:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:54,695 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-12-01 10:09:54,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 10:09:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-12-01 10:09:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 10:09:54,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:54,697 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:54,697 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:54,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-12-01 10:09:54,698 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:54,698 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:54,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:54,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:54,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 10:09:54,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 10:09:54,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 10:09:54,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 10:09:54,764 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-12-01 10:09:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:54,781 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-12-01 10:09:54,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 10:09:54,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 10:09:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:54,783 INFO L225 Difference]: With dead ends: 245 [2018-12-01 10:09:54,783 INFO L226 Difference]: Without dead ends: 141 [2018-12-01 10:09:54,784 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 [2018-12-01 10:09:54,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-01 10:09:54,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-01 10:09:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-01 10:09:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-12-01 10:09:54,794 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-12-01 10:09:54,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:54,794 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-12-01 10:09:54,794 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 10:09:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-12-01 10:09:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 10:09:54,795 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:54,795 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:54,796 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:54,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:54,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-12-01 10:09:54,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:54,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:54,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:54,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:54,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:54,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 10:09:54,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 10:09:54,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 10:09:54,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 10:09:54,887 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-12-01 10:09:55,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:55,067 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-12-01 10:09:55,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 10:09:55,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-01 10:09:55,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:55,068 INFO L225 Difference]: With dead ends: 258 [2018-12-01 10:09:55,068 INFO L226 Difference]: Without dead ends: 141 [2018-12-01 10:09:55,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:09:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-01 10:09:55,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-01 10:09:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-01 10:09:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-12-01 10:09:55,077 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-12-01 10:09:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:55,077 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-12-01 10:09:55,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 10:09:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-12-01 10:09:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 10:09:55,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:55,078 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:55,079 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:55,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:55,079 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-12-01 10:09:55,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:55,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:55,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:55,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:55,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:55,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 10:09:55,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 10:09:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 10:09:55,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 10:09:55,143 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-12-01 10:09:55,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:55,422 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-12-01 10:09:55,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 10:09:55,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-01 10:09:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:55,424 INFO L225 Difference]: With dead ends: 371 [2018-12-01 10:09:55,424 INFO L226 Difference]: Without dead ends: 254 [2018-12-01 10:09:55,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 10:09:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-01 10:09:55,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-12-01 10:09:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-01 10:09:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-12-01 10:09:55,441 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-12-01 10:09:55,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:55,441 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-12-01 10:09:55,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 10:09:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-12-01 10:09:55,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 10:09:55,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:55,442 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:55,443 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:55,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:55,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-12-01 10:09:55,443 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:55,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:55,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:55,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:55,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:55,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 10:09:55,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:09:55,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:09:55,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:09:55,519 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-12-01 10:09:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:55,634 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-12-01 10:09:55,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 10:09:55,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-01 10:09:55,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:55,637 INFO L225 Difference]: With dead ends: 580 [2018-12-01 10:09:55,637 INFO L226 Difference]: Without dead ends: 369 [2018-12-01 10:09:55,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 10:09:55,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-12-01 10:09:55,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-12-01 10:09:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-12-01 10:09:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-12-01 10:09:55,654 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-12-01 10:09:55,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:55,654 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-12-01 10:09:55,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:09:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-12-01 10:09:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 10:09:55,655 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:55,655 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:55,655 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:55,655 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:55,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-12-01 10:09:55,656 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:55,656 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:55,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:55,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:55,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:55,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 10:09:55,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 10:09:55,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 10:09:55,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 10:09:55,727 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-12-01 10:09:55,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:55,857 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-12-01 10:09:55,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 10:09:55,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-01 10:09:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:55,859 INFO L225 Difference]: With dead ends: 782 [2018-12-01 10:09:55,859 INFO L226 Difference]: Without dead ends: 571 [2018-12-01 10:09:55,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 10:09:55,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-12-01 10:09:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-12-01 10:09:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-12-01 10:09:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-12-01 10:09:55,881 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-12-01 10:09:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:55,882 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-12-01 10:09:55,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 10:09:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-12-01 10:09:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 10:09:55,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:55,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:55,883 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:55,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:55,884 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-12-01 10:09:55,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:55,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:55,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:55,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:55,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:55,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 10:09:55,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 10:09:55,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 10:09:55,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 10:09:55,941 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-12-01 10:09:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:55,962 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-12-01 10:09:55,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 10:09:55,962 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-01 10:09:55,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:55,965 INFO L225 Difference]: With dead ends: 962 [2018-12-01 10:09:55,965 INFO L226 Difference]: Without dead ends: 563 [2018-12-01 10:09:55,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 10:09:55,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-12-01 10:09:55,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-12-01 10:09:55,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-01 10:09:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-12-01 10:09:55,992 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-12-01 10:09:55,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:55,993 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-12-01 10:09:55,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 10:09:55,993 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-12-01 10:09:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 10:09:55,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:55,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:55,995 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:55,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:55,995 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-12-01 10:09:55,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:55,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:55,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:55,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:55,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:56,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:56,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 10:09:56,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 10:09:56,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 10:09:56,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 10:09:56,073 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-12-01 10:09:56,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:56,119 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-12-01 10:09:56,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 10:09:56,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-01 10:09:56,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:56,121 INFO L225 Difference]: With dead ends: 1107 [2018-12-01 10:09:56,121 INFO L226 Difference]: Without dead ends: 574 [2018-12-01 10:09:56,122 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:09:56,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-01 10:09:56,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-01 10:09:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-01 10:09:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-12-01 10:09:56,139 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-12-01 10:09:56,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:56,139 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-12-01 10:09:56,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 10:09:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-12-01 10:09:56,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 10:09:56,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:56,140 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:56,140 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:56,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:56,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-12-01 10:09:56,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:56,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:56,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:56,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:56,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 10:09:56,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:09:56,190 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/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 [2018-12-01 10:09:56,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:56,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:09:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 10:09:56,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 10:09:56,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-01 10:09:56,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 10:09:56,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 10:09:56,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-01 10:09:56,374 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 14 states. [2018-12-01 10:09:56,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:56,877 INFO L93 Difference]: Finished difference Result 1529 states and 1851 transitions. [2018-12-01 10:09:56,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 10:09:56,878 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-12-01 10:09:56,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:56,880 INFO L225 Difference]: With dead ends: 1529 [2018-12-01 10:09:56,880 INFO L226 Difference]: Without dead ends: 989 [2018-12-01 10:09:56,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 10:09:56,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2018-12-01 10:09:56,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2018-12-01 10:09:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-12-01 10:09:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1146 transitions. [2018-12-01 10:09:56,916 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1146 transitions. Word has length 101 [2018-12-01 10:09:56,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:56,916 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1146 transitions. [2018-12-01 10:09:56,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 10:09:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1146 transitions. [2018-12-01 10:09:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 10:09:56,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:56,918 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:56,918 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:56,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:56,918 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-12-01 10:09:56,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:56,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:56,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:56,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:56,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 10:09:56,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:56,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 10:09:56,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 10:09:56,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 10:09:56,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:09:56,995 INFO L87 Difference]: Start difference. First operand 986 states and 1146 transitions. Second operand 10 states. [2018-12-01 10:09:57,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:57,125 INFO L93 Difference]: Finished difference Result 1958 states and 2279 transitions. [2018-12-01 10:09:57,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 10:09:57,126 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 10:09:57,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:57,128 INFO L225 Difference]: With dead ends: 1958 [2018-12-01 10:09:57,128 INFO L226 Difference]: Without dead ends: 996 [2018-12-01 10:09:57,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 10:09:57,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-12-01 10:09:57,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2018-12-01 10:09:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-12-01 10:09:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1071 transitions. [2018-12-01 10:09:57,156 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1071 transitions. Word has length 105 [2018-12-01 10:09:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:57,156 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1071 transitions. [2018-12-01 10:09:57,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 10:09:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1071 transitions. [2018-12-01 10:09:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 10:09:57,157 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:57,157 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:57,158 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:57,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:57,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-12-01 10:09:57,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:57,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:57,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:57,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:57,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 10:09:57,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 10:09:57,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 10:09:57,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 10:09:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 10:09:57,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 10:09:57,223 INFO L87 Difference]: Start difference. First operand 948 states and 1071 transitions. Second operand 10 states. [2018-12-01 10:09:57,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:57,362 INFO L93 Difference]: Finished difference Result 1846 states and 2107 transitions. [2018-12-01 10:09:57,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 10:09:57,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 10:09:57,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:57,366 INFO L225 Difference]: With dead ends: 1846 [2018-12-01 10:09:57,366 INFO L226 Difference]: Without dead ends: 922 [2018-12-01 10:09:57,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 10:09:57,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-12-01 10:09:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 906. [2018-12-01 10:09:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-12-01 10:09:57,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1021 transitions. [2018-12-01 10:09:57,407 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1021 transitions. Word has length 105 [2018-12-01 10:09:57,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:57,408 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1021 transitions. [2018-12-01 10:09:57,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 10:09:57,408 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1021 transitions. [2018-12-01 10:09:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 10:09:57,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:57,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:57,411 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:57,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:57,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1019303520, now seen corresponding path program 1 times [2018-12-01 10:09:57,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:57,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:57,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:57,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:57,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 10:09:57,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:09:57,455 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/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 [2018-12-01 10:09:57,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:57,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:09:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 10:09:57,656 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 10:09:57,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-01 10:09:57,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 10:09:57,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 10:09:57,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-01 10:09:57,656 INFO L87 Difference]: Start difference. First operand 906 states and 1021 transitions. Second operand 13 states. [2018-12-01 10:09:58,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:09:58,682 INFO L93 Difference]: Finished difference Result 2413 states and 2919 transitions. [2018-12-01 10:09:58,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 10:09:58,682 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2018-12-01 10:09:58,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:09:58,686 INFO L225 Difference]: With dead ends: 2413 [2018-12-01 10:09:58,686 INFO L226 Difference]: Without dead ends: 1531 [2018-12-01 10:09:58,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-01 10:09:58,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2018-12-01 10:09:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1298. [2018-12-01 10:09:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2018-12-01 10:09:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1449 transitions. [2018-12-01 10:09:58,728 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1449 transitions. Word has length 151 [2018-12-01 10:09:58,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:09:58,729 INFO L480 AbstractCegarLoop]: Abstraction has 1298 states and 1449 transitions. [2018-12-01 10:09:58,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 10:09:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1449 transitions. [2018-12-01 10:09:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 10:09:58,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 10:09:58,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 10:09:58,732 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 10:09:58,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 10:09:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-12-01 10:09:58,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 10:09:58,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 10:09:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:58,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 10:09:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 10:09:58,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 10:09:58,777 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/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 [2018-12-01 10:09:58,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 10:09:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 10:09:58,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 10:09:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 10:09:58,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 10:09:58,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-01 10:09:58,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 10:09:58,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 10:09:58,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-01 10:09:58,954 INFO L87 Difference]: Start difference. First operand 1298 states and 1449 transitions. Second operand 15 states. [2018-12-01 10:10:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 10:10:00,468 INFO L93 Difference]: Finished difference Result 3289 states and 4246 transitions. [2018-12-01 10:10:00,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-01 10:10:00,468 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-12-01 10:10:00,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 10:10:00,469 INFO L225 Difference]: With dead ends: 3289 [2018-12-01 10:10:00,469 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 10:10:00,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-01 10:10:00,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 10:10:00,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 10:10:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 10:10:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 10:10:00,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-01 10:10:00,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 10:10:00,474 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 10:10:00,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 10:10:00,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 10:10:00,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 10:10:00,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 10:10:00,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:00,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 10:10:01,435 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-12-01 10:10:01,661 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2018-12-01 10:10:01,859 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-12-01 10:10:02,031 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2018-12-01 10:10:02,357 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-12-01 10:10:02,689 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-12-01 10:10:03,110 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-12-01 10:10:03,334 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-12-01 10:10:03,593 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-12-01 10:10:04,064 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-12-01 10:10:04,195 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-12-01 10:10:04,329 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-12-01 10:10:04,518 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2018-12-01 10:10:05,295 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-12-01 10:10:05,514 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-01 10:10:05,514 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-01 10:10:05,514 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-01 10:10:05,514 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-01 10:10:05,514 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-01 10:10:05,514 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-01 10:10:05,514 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-01 10:10:05,514 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-01 10:10:05,515 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-01 10:10:05,515 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,515 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-01 10:10:05,515 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-01 10:10:05,515 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-01 10:10:05,516 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-01 10:10:05,516 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,516 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-12-01 10:10:05,517 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-01 10:10:05,517 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-01 10:10:05,518 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-01 10:10:05,518 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse7 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 (and (not (= ~waterLevel~0 2)) .cse0 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-01 10:10:05,519 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 10:10:05,519 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~8) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-12-01 10:10:05,520 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-12-01 10:10:05,520 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-12-01 10:10:05,521 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0)) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (and (<= ~waterLevel~0 2) .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 (and .cse8 .cse9)) (or (and (<= ~waterLevel~0 1) .cse10) .cse11 .cse7 .cse5) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse8) (or (or .cse6 .cse1 .cse3) .cse5 .cse8) (or .cse0 .cse1 .cse11 .cse12 .cse3) (or .cse0 (and .cse8 .cse9 .cse10) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse10) .cse11 .cse7) (or .cse1 .cse12 .cse11 .cse3 .cse5)))) [2018-12-01 10:10:05,521 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-12-01 10:10:05,521 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-12-01 10:10:05,522 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-12-01 10:10:05,522 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5))) [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse5 .cse3) (or .cse7 .cse1 .cse4 .cse3 .cse6))) [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-01 10:10:05,523 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 10:10:05,523 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-01 10:10:05,523 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse5) (or .cse7 .cse2 (and .cse6 .cse0 .cse1) .cse3 .cse4) (or .cse8 .cse9 .cse4 .cse5) (or .cse6 (or (< 0 ~waterLevel~0) .cse2 .cse4 .cse5)) (or .cse7 .cse8 .cse9 .cse4))) [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= ~waterLevel~0 1) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse7 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse8 .cse5)))) [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse5 (not (= |old(~systemActive~0)| 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse0 .cse5) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse0 .cse2 .cse5 .cse6)))) [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-12-01 10:10:05,524 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-12-01 10:10:05,524 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-12-01 10:10:05,525 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-12-01 10:10:05,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:10:05 BoogieIcfgContainer [2018-12-01 10:10:05,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 10:10:05,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 10:10:05,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 10:10:05,534 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 10:10:05,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:09:54" (3/4) ... [2018-12-01 10:10:05,537 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 10:10:05,541 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 10:10:05,541 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 10:10:05,541 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 10:10:05,541 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 10:10:05,542 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 10:10:05,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 10:10:05,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 10:10:05,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 10:10:05,543 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 10:10:05,549 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-01 10:10:05,550 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 10:10:05,550 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 10:10:05,550 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 10:10:05,551 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 10:10:05,551 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 10:10:05,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 10:10:05,571 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 10:10:05,602 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_876ee3db-5362-4a32-aed9-1148710db02e/bin-2019/uautomizer/witness.graphml [2018-12-01 10:10:05,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 10:10:05,603 INFO L168 Benchmark]: Toolchain (without parser) took 11905.29 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 516.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 340.0 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,603 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 10:10:05,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,604 INFO L168 Benchmark]: Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 10:10:05,604 INFO L168 Benchmark]: RCFGBuilder took 369.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,604 INFO L168 Benchmark]: TraceAbstraction took 11144.97 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 383.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -84.1 MB). Peak memory consumption was 643.6 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,604 INFO L168 Benchmark]: Witness Printer took 68.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-01 10:10:05,605 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -164.1 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 369.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11144.97 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 383.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -84.1 MB). Peak memory consumption was 643.6 MB. Max. memory is 11.5 GB. * Witness Printer took 68.34 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 11.0s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2600 SDtfs, 2369 SDslu, 9691 SDs, 0 SdLazy, 6498 SolverSat, 1178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=12, 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, 13 MinimizatonAttempts, 357 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3523 PreInvPairs, 4123 NumberOfFragments, 3293 HoareAnnotationTreeSize, 3523 FomulaSimplifications, 24572 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 32648 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1594 ConstructedInterpolants, 0 QuantifiedInterpolants, 312134 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2512 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 118/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...