./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cfed73d0949579dcb398cd2d92995791596ce6cd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:03:10,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:03:10,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:03:10,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:03:10,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:03:10,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:03:10,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:03:10,233 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:03:10,234 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:03:10,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:03:10,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:03:10,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:03:10,235 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:03:10,236 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:03:10,236 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:03:10,237 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:03:10,237 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:03:10,238 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:03:10,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:03:10,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:03:10,240 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:03:10,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:03:10,242 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:03:10,242 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:03:10,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:03:10,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:03:10,243 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:03:10,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:03:10,244 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:03:10,245 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:03:10,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:03:10,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:03:10,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:03:10,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:03:10,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:03:10,246 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:03:10,246 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 17:03:10,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:03:10,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:03:10,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:03:10,255 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:03:10,255 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:03:10,255 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:03:10,255 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:03:10,255 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:03:10,256 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:03:10,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:03:10,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:03:10,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:03:10,257 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_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfed73d0949579dcb398cd2d92995791596ce6cd [2018-12-01 17:03:10,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:03:10,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:03:10,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:03:10,290 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:03:10,290 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:03:10,291 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 17:03:10,342 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/data/0543ceb81/7172d9e325a341b2a86e5e090e2ed4ce/FLAG569941d49 [2018-12-01 17:03:10,680 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:03:10,680 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 17:03:10,685 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/data/0543ceb81/7172d9e325a341b2a86e5e090e2ed4ce/FLAG569941d49 [2018-12-01 17:03:10,695 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/data/0543ceb81/7172d9e325a341b2a86e5e090e2ed4ce [2018-12-01 17:03:10,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:03:10,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:03:10,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:03:10,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:03:10,702 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:03:10,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:03:10" (1/1) ... [2018-12-01 17:03:10,704 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 05:03:10, skipping insertion in model container [2018-12-01 17:03:10,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:03:10" (1/1) ... [2018-12-01 17:03:10,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:03:10,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:03:10,915 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:03:10,961 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:03:11,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:03:11,025 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:03:11,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11 WrapperNode [2018-12-01 17:03:11,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:03:11,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:03:11,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:03:11,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:03:11,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:03:11,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:03:11,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:03:11,046 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:03:11,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... [2018-12-01 17:03:11,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:03:11,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:03:11,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:03:11,068 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:03:11,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/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 17:03:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 17:03:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:03:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 17:03:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 17:03:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 17:03:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 17:03:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:03:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:03:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:03:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:03:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:03:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 17:03:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 17:03:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 17:03:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 17:03:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:03:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:03:11,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 17:03:11,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 17:03:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 17:03:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 17:03:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 17:03:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 17:03:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 17:03:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 17:03:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 17:03:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 17:03:11,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 17:03:11,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 17:03:11,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 17:03:11,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 17:03:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:03:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:03:11,423 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:03:11,423 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 17:03:11,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:11 BoogieIcfgContainer [2018-12-01 17:03:11,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:03:11,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:03:11,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:03:11,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:03:11,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:03:10" (1/3) ... [2018-12-01 17:03:11,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c69bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:03:11, skipping insertion in model container [2018-12-01 17:03:11,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:03:11" (2/3) ... [2018-12-01 17:03:11,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c69bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:03:11, skipping insertion in model container [2018-12-01 17:03:11,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:11" (3/3) ... [2018-12-01 17:03:11,429 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-12-01 17:03:11,435 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:03:11,439 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 17:03:11,448 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 17:03:11,466 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:03:11,467 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:03:11,467 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:03:11,467 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:03:11,467 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:03:11,467 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:03:11,467 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:03:11,467 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:03:11,467 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:03:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-01 17:03:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 17:03:11,491 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:11,491 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 17:03:11,493 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:11,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:11,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-12-01 17:03:11,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:11,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:11,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:11,634 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 17:03:11,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:11,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:03:11,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 17:03:11,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 17:03:11,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 17:03:11,647 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-01 17:03:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:11,670 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-12-01 17:03:11,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 17:03:11,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 17:03:11,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:11,678 INFO L225 Difference]: With dead ends: 280 [2018-12-01 17:03:11,678 INFO L226 Difference]: Without dead ends: 140 [2018-12-01 17:03:11,680 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 17:03:11,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-01 17:03:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-01 17:03:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-01 17:03:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-01 17:03:11,710 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-12-01 17:03:11,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:11,710 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-01 17:03:11,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 17:03:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-01 17:03:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 17:03:11,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:11,713 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 17:03:11,713 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:11,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-12-01 17:03:11,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:11,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:11,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:11,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:11,768 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 17:03:11,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:11,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:03:11,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:03:11,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:03:11,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:03:11,770 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-12-01 17:03:11,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:11,791 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-12-01 17:03:11,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:03:11,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 17:03:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:11,792 INFO L225 Difference]: With dead ends: 225 [2018-12-01 17:03:11,793 INFO L226 Difference]: Without dead ends: 131 [2018-12-01 17:03:11,793 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 17:03:11,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-01 17:03:11,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-01 17:03:11,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-01 17:03:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-12-01 17:03:11,801 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-12-01 17:03:11,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:11,802 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-12-01 17:03:11,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:03:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-12-01 17:03:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 17:03:11,803 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:11,803 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 17:03:11,803 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:11,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:11,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-12-01 17:03:11,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:11,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:11,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:11,878 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 17:03:11,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:11,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:03:11,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:03:11,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:03:11,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:03:11,879 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-12-01 17:03:12,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:12,046 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-12-01 17:03:12,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:03:12,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-01 17:03:12,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:12,048 INFO L225 Difference]: With dead ends: 238 [2018-12-01 17:03:12,048 INFO L226 Difference]: Without dead ends: 131 [2018-12-01 17:03:12,048 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 17:03:12,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-01 17:03:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-01 17:03:12,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-01 17:03:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-01 17:03:12,056 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-12-01 17:03:12,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:12,056 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-01 17:03:12,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:03:12,057 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-01 17:03:12,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 17:03:12,058 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:12,058 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 17:03:12,058 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:12,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:12,058 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-12-01 17:03:12,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:12,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:12,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:12,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:12,118 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 17:03:12,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:12,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 17:03:12,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:03:12,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:03:12,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:03:12,119 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-12-01 17:03:12,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:12,443 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-12-01 17:03:12,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:03:12,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-01 17:03:12,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:12,446 INFO L225 Difference]: With dead ends: 356 [2018-12-01 17:03:12,446 INFO L226 Difference]: Without dead ends: 249 [2018-12-01 17:03:12,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:03:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-12-01 17:03:12,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-12-01 17:03:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-12-01 17:03:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-12-01 17:03:12,477 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-12-01 17:03:12,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:12,477 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-12-01 17:03:12,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:03:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-12-01 17:03:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 17:03:12,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:12,479 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 17:03:12,479 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:12,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:12,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-12-01 17:03:12,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:12,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:12,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:12,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:12,537 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 17:03:12,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:12,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:03:12,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:03:12,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:03:12,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:03:12,538 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-12-01 17:03:12,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:12,644 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-12-01 17:03:12,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:03:12,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-01 17:03:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:12,648 INFO L225 Difference]: With dead ends: 570 [2018-12-01 17:03:12,648 INFO L226 Difference]: Without dead ends: 364 [2018-12-01 17:03:12,649 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 17:03:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-01 17:03:12,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-12-01 17:03:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-12-01 17:03:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-12-01 17:03:12,674 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-12-01 17:03:12,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:12,675 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-12-01 17:03:12,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:03:12,675 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-12-01 17:03:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:03:12,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:12,676 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 17:03:12,677 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:12,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:12,677 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-12-01 17:03:12,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:12,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:12,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:12,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:12,773 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 17:03:12,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:12,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:03:12,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:03:12,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:03:12,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:03:12,774 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-12-01 17:03:12,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:12,908 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-12-01 17:03:12,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:03:12,908 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-01 17:03:12,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:12,911 INFO L225 Difference]: With dead ends: 767 [2018-12-01 17:03:12,911 INFO L226 Difference]: Without dead ends: 561 [2018-12-01 17:03:12,912 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 17:03:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-12-01 17:03:12,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-12-01 17:03:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-12-01 17:03:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-12-01 17:03:12,944 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-12-01 17:03:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:12,945 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-12-01 17:03:12,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:03:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-12-01 17:03:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:03:12,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:12,946 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 17:03:12,947 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:12,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:12,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-12-01 17:03:12,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:12,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:12,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:12,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:12,990 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 17:03:12,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:12,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 17:03:12,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:03:12,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:03:12,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:03:12,992 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-12-01 17:03:13,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:13,017 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-12-01 17:03:13,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 17:03:13,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-01 17:03:13,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:13,021 INFO L225 Difference]: With dead ends: 942 [2018-12-01 17:03:13,021 INFO L226 Difference]: Without dead ends: 553 [2018-12-01 17:03:13,022 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 17:03:13,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-01 17:03:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-01 17:03:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-01 17:03:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-12-01 17:03:13,054 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-12-01 17:03:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:13,054 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-12-01 17:03:13,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:03:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-12-01 17:03:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:03:13,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:13,056 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 17:03:13,056 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:13,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:13,056 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-12-01 17:03:13,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:13,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:13,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:13,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:13,111 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 17:03:13,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:13,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 17:03:13,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 17:03:13,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 17:03:13,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:03:13,113 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-12-01 17:03:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:13,151 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-12-01 17:03:13,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 17:03:13,151 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-01 17:03:13,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:13,153 INFO L225 Difference]: With dead ends: 1087 [2018-12-01 17:03:13,153 INFO L226 Difference]: Without dead ends: 564 [2018-12-01 17:03:13,154 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 17:03:13,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-01 17:03:13,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-12-01 17:03:13,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-01 17:03:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-12-01 17:03:13,171 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-12-01 17:03:13,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:13,172 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-12-01 17:03:13,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 17:03:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-12-01 17:03:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-01 17:03:13,173 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:13,173 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 17:03:13,173 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:13,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:13,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-12-01 17:03:13,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:13,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:13,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:13,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:13,239 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 17:03:13,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:03:13,240 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/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 17:03:13,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:13,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:03:13,398 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 17:03:13,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:03:13,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-01 17:03:13,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 17:03:13,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 17:03:13,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-01 17:03:13,424 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 14 states. [2018-12-01 17:03:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:13,856 INFO L93 Difference]: Finished difference Result 1499 states and 1821 transitions. [2018-12-01 17:03:13,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 17:03:13,856 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-12-01 17:03:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:13,861 INFO L225 Difference]: With dead ends: 1499 [2018-12-01 17:03:13,861 INFO L226 Difference]: Without dead ends: 969 [2018-12-01 17:03:13,863 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 17:03:13,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-01 17:03:13,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 966. [2018-12-01 17:03:13,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-12-01 17:03:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1126 transitions. [2018-12-01 17:03:13,909 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1126 transitions. Word has length 101 [2018-12-01 17:03:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:13,910 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 1126 transitions. [2018-12-01 17:03:13,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 17:03:13,910 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1126 transitions. [2018-12-01 17:03:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:03:13,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:13,912 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 17:03:13,912 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:13,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:13,912 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-12-01 17:03:13,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:13,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:13,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:13,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:14,013 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 17:03:14,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:14,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 17:03:14,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:03:14,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:03:14,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:03:14,015 INFO L87 Difference]: Start difference. First operand 966 states and 1126 transitions. Second operand 10 states. [2018-12-01 17:03:14,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:14,156 INFO L93 Difference]: Finished difference Result 1882 states and 2224 transitions. [2018-12-01 17:03:14,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:03:14,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 17:03:14,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:14,161 INFO L225 Difference]: With dead ends: 1882 [2018-12-01 17:03:14,161 INFO L226 Difference]: Without dead ends: 940 [2018-12-01 17:03:14,163 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 17:03:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-12-01 17:03:14,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 924. [2018-12-01 17:03:14,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-12-01 17:03:14,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1075 transitions. [2018-12-01 17:03:14,193 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1075 transitions. Word has length 105 [2018-12-01 17:03:14,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:14,194 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1075 transitions. [2018-12-01 17:03:14,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:03:14,194 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1075 transitions. [2018-12-01 17:03:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 17:03:14,195 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:14,195 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 17:03:14,195 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:14,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:14,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-12-01 17:03:14,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:14,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:14,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:14,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:14,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:14,275 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 17:03:14,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:03:14,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 17:03:14,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 17:03:14,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 17:03:14,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:03:14,276 INFO L87 Difference]: Start difference. First operand 924 states and 1075 transitions. Second operand 10 states. [2018-12-01 17:03:14,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:14,398 INFO L93 Difference]: Finished difference Result 1830 states and 2132 transitions. [2018-12-01 17:03:14,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 17:03:14,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-01 17:03:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:14,402 INFO L225 Difference]: With dead ends: 1830 [2018-12-01 17:03:14,402 INFO L226 Difference]: Without dead ends: 930 [2018-12-01 17:03:14,404 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 17:03:14,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-12-01 17:03:14,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 886. [2018-12-01 17:03:14,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-12-01 17:03:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1001 transitions. [2018-12-01 17:03:14,428 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1001 transitions. Word has length 105 [2018-12-01 17:03:14,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:14,429 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1001 transitions. [2018-12-01 17:03:14,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 17:03:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1001 transitions. [2018-12-01 17:03:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-01 17:03:14,430 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:03:14,431 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:03:14,431 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:03:14,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:03:14,431 INFO L82 PathProgramCache]: Analyzing trace with hash 769747120, now seen corresponding path program 1 times [2018-12-01 17:03:14,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:03:14,431 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:03:14,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:14,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:14,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:03:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:14,483 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 17:03:14,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:03:14,483 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/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 17:03:14,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:03:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:03:14,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:03:14,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:03:14,699 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 17:03:14,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-12-01 17:03:14,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 17:03:14,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 17:03:14,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-01 17:03:14,700 INFO L87 Difference]: Start difference. First operand 886 states and 1001 transitions. Second operand 14 states. [2018-12-01 17:03:15,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:03:15,551 INFO L93 Difference]: Finished difference Result 2155 states and 2767 transitions. [2018-12-01 17:03:15,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 17:03:15,551 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-12-01 17:03:15,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:03:15,552 INFO L225 Difference]: With dead ends: 2155 [2018-12-01 17:03:15,552 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:03:15,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-12-01 17:03:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:03:15,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:03:15,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:03:15,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:03:15,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-01 17:03:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:03:15,557 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:03:15,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 17:03:15,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:03:15,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:03:15,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:03:15,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:15,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:03:16,562 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2018-12-01 17:03:16,979 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2018-12-01 17:03:17,512 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-12-01 17:03:17,687 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-12-01 17:03:17,790 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-12-01 17:03:18,081 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2018-12-01 17:03:18,882 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,883 INFO L444 ceAbstractionStarter]: At program point L565-1(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,883 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~5 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (and .cse9 (<= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse8 .cse6 .cse7 .cse3)))) [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-01 17:03:18,884 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-01 17:03:18,884 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-12-01 17:03:18,885 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-01 17:03:18,885 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-12-01 17:03:18,885 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-01 17:03:18,885 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 886 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point L944(lines 895 945) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:03:18,886 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-01 17:03:18,886 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-12-01 17:03:18,887 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-01 17:03:18,888 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= 0 ~pumpRunning~0))))) [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse4 .cse3 .cse7) (or .cse1 .cse0 .cse5 .cse4 .cse3) (or .cse4 (or .cse2 .cse3 .cse7) .cse6))) [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-12-01 17:03:18,888 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse11 (and .cse8 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1)))) (and (or .cse0 (and .cse1 (<= ~waterLevel~0 2)) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse6 .cse7) (or .cse5 (and .cse8 .cse1) .cse0 .cse2 .cse3) (or .cse5 .cse9 .cse3 .cse7 .cse10) (or .cse10 .cse9 .cse3 .cse7 .cse4) (or .cse2 (or .cse9 .cse3 .cse4) .cse11) (or .cse0 .cse3 .cse7 .cse4 .cse6) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse8 .cse3 .cse4) (or (or .cse5 .cse9 .cse3) .cse2 .cse11)))) [2018-12-01 17:03:18,888 INFO L444 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 1)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and .cse9 .cse10 .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 .cse14 .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2) .cse7 .cse8) (or .cse0 (and .cse9 .cse10) .cse1 .cse7 .cse2) (or .cse11 .cse6 .cse2 .cse4 .cse12) (or .cse1 .cse3 .cse2 .cse4 .cse12) (or .cse1 .cse5 (and .cse9 .cse13) .cse7 .cse2 .cse12) (or .cse0 .cse6 .cse2 .cse11 .cse4) (or .cse5 .cse7 (or .cse6 .cse2 .cse12) .cse8)))) [2018-12-01 17:03:18,889 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse7 .cse2 .cse3)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3) (or .cse0 (and (<= ~waterLevel~0 2) .cse10) .cse9) (or (and .cse1 .cse10) .cse9 (or .cse2 .cse3 .cse5)) (or .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse3 .cse5)))) [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (= ~pumpRunning~0 1)) (.cse13 (or .cse9 .cse6 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse10 (= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse3 (or .cse6 .cse4 .cse5) (and .cse7 .cse8)) (or .cse9 .cse0 .cse4 .cse10 .cse11) (or .cse9 (and .cse7 .cse1) .cse0 .cse3 .cse4) (or .cse12 .cse13 .cse7) (or .cse10 .cse6 .cse4 .cse11 .cse5) (or (and .cse2 .cse8) .cse13 .cse3) (or .cse0 .cse4 .cse11 .cse5 .cse10) (or .cse10 .cse9 .cse6 .cse4 .cse11) (or .cse12 .cse0 .cse7 .cse4 .cse5)))) [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-01 17:03:18,889 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse2 .cse5) (or .cse3 .cse4 .cse2 .cse5))) [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-01 17:03:18,890 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse1))) [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse0 .cse6) (or .cse0 (<= ~waterLevel~0 2) .cse2 .cse4 .cse7) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 (< 1 |old(~waterLevel~0)|) .cse4 .cse3 .cse7))) [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-12-01 17:03:18,890 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:03:18,890 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 17:03:18,890 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 17:03:18,890 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse4 .cse6 .cse0 .cse2) (or .cse4 (or .cse5 .cse1 .cse2) .cse0) (or .cse6 .cse4 .cse0 .cse2 .cse3))) [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3) (or .cse6 .cse2 .cse5 .cse3 .cse4) (or .cse7 .cse8 .cse6 .cse0 .cse2) (or .cse7 .cse6 .cse2 .cse4 .cse5) (or .cse9 (or .cse7 .cse1 .cse2) .cse8) (or .cse9 .cse6 .cse8 .cse2 .cse3) (or .cse9 .cse8 .cse1 .cse2 .cse3))) [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-12-01 17:03:18,891 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-01 17:03:18,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 05:03:18 BoogieIcfgContainer [2018-12-01 17:03:18,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 17:03:18,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:03:18,900 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:03:18,900 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:03:18,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:03:11" (3/4) ... [2018-12-01 17:03:18,904 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-01 17:03:18,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 17:03:18,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 17:03:18,914 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 17:03:18,914 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 17:03:18,914 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-01 17:03:18,915 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 17:03:18,915 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:03:18,915 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:03:18,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-01 17:03:18,933 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 17:03:18,959 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7342f868-2c88-4d7a-9a91-dc0b23e582af/bin-2019/uautomizer/witness.graphml [2018-12-01 17:03:18,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:03:18,960 INFO L168 Benchmark]: Toolchain (without parser) took 8262.33 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.1 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -203.7 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,960 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:03:18,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:03:18,960 INFO L168 Benchmark]: Boogie Preprocessor took 21.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,960 INFO L168 Benchmark]: RCFGBuilder took 355.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,961 INFO L168 Benchmark]: TraceAbstraction took 7475.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -115.9 MB). Peak memory consumption was 406.1 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,961 INFO L168 Benchmark]: Witness Printer took 59.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:03:18,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 355.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7475.82 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -115.9 MB). Peak memory consumption was 406.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 7.4s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2167 SDtfs, 1451 SDslu, 8218 SDs, 0 SdLazy, 3079 SolverSat, 545 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=966occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2647 PreInvPairs, 2998 NumberOfFragments, 3089 HoareAnnotationTreeSize, 2647 FomulaSimplifications, 6194 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 16356 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1290 ConstructedInterpolants, 0 QuantifiedInterpolants, 225642 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1632 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 88/102 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...