./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:12:12,288 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:12:12,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:12:12,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:12:12,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:12:12,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:12:12,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:12:12,299 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:12:12,300 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:12:12,301 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:12:12,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:12:12,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:12:12,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:12:12,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:12:12,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:12:12,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:12:12,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:12:12,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:12:12,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:12:12,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:12:12,309 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:12:12,310 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:12:12,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:12:12,312 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:12:12,312 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:12:12,313 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:12:12,313 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:12:12,314 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:12:12,314 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:12:12,315 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:12:12,315 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:12:12,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:12:12,316 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:12:12,316 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:12:12,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:12:12,317 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:12:12,317 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:12:12,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:12:12,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:12:12,327 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:12:12,327 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:12:12,328 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:12:12,328 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:12:12,328 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:12:12,328 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:12:12,329 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:12:12,330 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:12:12,330 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:12:12,330 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:12:12,330 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:12:12,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:12:12,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:12:12,331 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:12:12,331 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:12:12,332 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:12:12,332 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:12:12,332 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_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-11-23 13:12:12,355 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:12:12,363 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:12:12,364 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:12:12,365 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:12:12,365 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:12:12,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:12:12,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/data/48f35aa32/11024d78ae79468189f119937c6e5819/FLAGdd011f813 [2018-11-23 13:12:12,835 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:12:12,836 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:12:12,846 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/data/48f35aa32/11024d78ae79468189f119937c6e5819/FLAGdd011f813 [2018-11-23 13:12:12,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/data/48f35aa32/11024d78ae79468189f119937c6e5819 [2018-11-23 13:12:12,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:12:12,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:12:12,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:12,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:12:12,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:12:12,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:12" (1/1) ... [2018-11-23 13:12:12,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:12, skipping insertion in model container [2018-11-23 13:12:12,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:12" (1/1) ... [2018-11-23 13:12:12,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:12:12,901 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:12:13,090 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:13,099 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:12:13,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:12:13,211 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:12:13,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13 WrapperNode [2018-11-23 13:12:13,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:12:13,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:13,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:12:13,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:12:13,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:12:13,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:12:13,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:12:13,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:12:13,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... [2018-11-23 13:12:13,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:12:13,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:12:13,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:12:13,273 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:12:13,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:12:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:12:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:12:13,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:12:13,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:12:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:12:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:12:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:12:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:12:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:12:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:12:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:12:13,314 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:12:13,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:12:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:12:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:12:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:12:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:12:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 13:12:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 13:12:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:12:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:12:13,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:12:13,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:12:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:12:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:12:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:12:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:12:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:12:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:12:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:12:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:12:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:12:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:12:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:12:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:12:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:12:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:12:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:12:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:12:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:12:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:12:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:12:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:12:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:12:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:12:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:12:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:12:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:12:13,318 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:12:13,318 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:12:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:12:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:12:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:12:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:12:13,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:12:13,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:12:13,720 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:12:13,720 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:12:13,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:13 BoogieIcfgContainer [2018-11-23 13:12:13,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:12:13,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:12:13,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:12:13,724 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:12:13,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:12:12" (1/3) ... [2018-11-23 13:12:13,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e69e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:13, skipping insertion in model container [2018-11-23 13:12:13,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:13" (2/3) ... [2018-11-23 13:12:13,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e69e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:12:13, skipping insertion in model container [2018-11-23 13:12:13,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:13" (3/3) ... [2018-11-23 13:12:13,726 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-23 13:12:13,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:12:13,738 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:12:13,747 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:12:13,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:12:13,769 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:12:13,769 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:12:13,769 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:12:13,769 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:12:13,769 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:12:13,770 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:12:13,770 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:12:13,770 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:12:13,784 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-11-23 13:12:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:12:13,791 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:13,792 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] [2018-11-23 13:12:13,794 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:13,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:13,797 INFO L82 PathProgramCache]: Analyzing trace with hash -627284051, now seen corresponding path program 1 times [2018-11-23 13:12:13,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:13,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:13,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:13,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:13,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:13,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:13,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:13,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:12:13,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:12:13,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:12:13,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:12:13,992 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-11-23 13:12:14,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:14,019 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-11-23 13:12:14,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:12:14,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 13:12:14,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:14,028 INFO L225 Difference]: With dead ends: 258 [2018-11-23 13:12:14,028 INFO L226 Difference]: Without dead ends: 129 [2018-11-23 13:12:14,031 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 [2018-11-23 13:12:14,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-11-23 13:12:14,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-11-23 13:12:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-23 13:12:14,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-11-23 13:12:14,069 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-11-23 13:12:14,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:14,069 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-11-23 13:12:14,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:12:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-11-23 13:12:14,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 13:12:14,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:14,072 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] [2018-11-23 13:12:14,072 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:14,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:14,073 INFO L82 PathProgramCache]: Analyzing trace with hash -831667335, now seen corresponding path program 1 times [2018-11-23 13:12:14,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:14,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:14,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:14,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:14,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:14,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:14,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:12:14,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:12:14,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:12:14,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:12:14,156 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-11-23 13:12:14,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:14,175 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-11-23 13:12:14,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:12:14,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 13:12:14,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:14,177 INFO L225 Difference]: With dead ends: 207 [2018-11-23 13:12:14,177 INFO L226 Difference]: Without dead ends: 120 [2018-11-23 13:12:14,178 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 [2018-11-23 13:12:14,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-23 13:12:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-23 13:12:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-23 13:12:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-11-23 13:12:14,190 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-11-23 13:12:14,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:14,190 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-11-23 13:12:14,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:12:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-11-23 13:12:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 13:12:14,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:14,191 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] [2018-11-23 13:12:14,191 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:14,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:14,192 INFO L82 PathProgramCache]: Analyzing trace with hash 276108552, now seen corresponding path program 1 times [2018-11-23 13:12:14,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:14,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:14,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:14,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:14,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:14,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:12:14,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:12:14,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:12:14,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:12:14,310 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-11-23 13:12:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:14,527 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-11-23 13:12:14,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:12:14,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-23 13:12:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:14,529 INFO L225 Difference]: With dead ends: 216 [2018-11-23 13:12:14,529 INFO L226 Difference]: Without dead ends: 120 [2018-11-23 13:12:14,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:12:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-23 13:12:14,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-23 13:12:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-23 13:12:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-23 13:12:14,540 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-11-23 13:12:14,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:14,541 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-23 13:12:14,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:12:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-23 13:12:14,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:12:14,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:14,543 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] [2018-11-23 13:12:14,543 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:14,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:14,544 INFO L82 PathProgramCache]: Analyzing trace with hash 984213394, now seen corresponding path program 1 times [2018-11-23 13:12:14,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:14,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:14,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:14,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:14,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:14,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:12:14,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:12:14,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:12:14,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:12:14,629 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-11-23 13:12:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:14,993 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2018-11-23 13:12:14,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:12:14,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-23 13:12:14,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:14,996 INFO L225 Difference]: With dead ends: 322 [2018-11-23 13:12:14,996 INFO L226 Difference]: Without dead ends: 226 [2018-11-23 13:12:14,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:12:14,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-23 13:12:15,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2018-11-23 13:12:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-11-23 13:12:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2018-11-23 13:12:15,019 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2018-11-23 13:12:15,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:15,020 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2018-11-23 13:12:15,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:12:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2018-11-23 13:12:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 13:12:15,022 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:15,022 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] [2018-11-23 13:12:15,023 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:15,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:15,023 INFO L82 PathProgramCache]: Analyzing trace with hash -13182587, now seen corresponding path program 1 times [2018-11-23 13:12:15,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:15,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:15,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:15,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:15,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:15,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:12:15,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:12:15,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:12:15,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:12:15,136 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2018-11-23 13:12:15,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:15,285 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2018-11-23 13:12:15,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:12:15,286 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 13:12:15,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:15,290 INFO L225 Difference]: With dead ends: 504 [2018-11-23 13:12:15,290 INFO L226 Difference]: Without dead ends: 320 [2018-11-23 13:12:15,291 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 [2018-11-23 13:12:15,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-23 13:12:15,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-11-23 13:12:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-23 13:12:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2018-11-23 13:12:15,314 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2018-11-23 13:12:15,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:15,314 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2018-11-23 13:12:15,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:12:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2018-11-23 13:12:15,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:12:15,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:15,317 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] [2018-11-23 13:12:15,317 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:15,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:15,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1190699199, now seen corresponding path program 1 times [2018-11-23 13:12:15,317 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:15,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:15,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:15,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:15,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:15,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:12:15,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:12:15,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:12:15,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:12:15,417 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2018-11-23 13:12:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:15,628 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2018-11-23 13:12:15,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:12:15,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-23 13:12:15,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:15,632 INFO L225 Difference]: With dead ends: 679 [2018-11-23 13:12:15,632 INFO L226 Difference]: Without dead ends: 495 [2018-11-23 13:12:15,633 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 [2018-11-23 13:12:15,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-11-23 13:12:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2018-11-23 13:12:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-11-23 13:12:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2018-11-23 13:12:15,667 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2018-11-23 13:12:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:15,668 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2018-11-23 13:12:15,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:12:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2018-11-23 13:12:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:12:15,669 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:15,670 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:12:15,670 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:15,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:15,670 INFO L82 PathProgramCache]: Analyzing trace with hash 268015616, now seen corresponding path program 1 times [2018-11-23 13:12:15,670 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:15,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:15,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:15,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:15,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:15,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:12:15,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:12:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:12:15,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:12:15,722 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2018-11-23 13:12:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:15,754 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2018-11-23 13:12:15,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 13:12:15,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-23 13:12:15,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:15,758 INFO L225 Difference]: With dead ends: 832 [2018-11-23 13:12:15,758 INFO L226 Difference]: Without dead ends: 487 [2018-11-23 13:12:15,759 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 [2018-11-23 13:12:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-23 13:12:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-11-23 13:12:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-11-23 13:12:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2018-11-23 13:12:15,788 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2018-11-23 13:12:15,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:15,788 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2018-11-23 13:12:15,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:12:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2018-11-23 13:12:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 13:12:15,790 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:15,790 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] [2018-11-23 13:12:15,790 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:15,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:15,791 INFO L82 PathProgramCache]: Analyzing trace with hash -575989886, now seen corresponding path program 1 times [2018-11-23 13:12:15,791 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:15,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:15,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:15,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:15,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:15,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:12:15,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:12:15,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:12:15,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:12:15,859 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2018-11-23 13:12:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:15,919 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2018-11-23 13:12:15,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:12:15,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-23 13:12:15,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:15,922 INFO L225 Difference]: With dead ends: 944 [2018-11-23 13:12:15,922 INFO L226 Difference]: Without dead ends: 487 [2018-11-23 13:12:15,923 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 [2018-11-23 13:12:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-23 13:12:15,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-11-23 13:12:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-11-23 13:12:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2018-11-23 13:12:15,948 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2018-11-23 13:12:15,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:15,949 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2018-11-23 13:12:15,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:12:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2018-11-23 13:12:15,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 13:12:15,950 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:15,950 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] [2018-11-23 13:12:15,951 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:15,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:15,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1204861054, now seen corresponding path program 1 times [2018-11-23 13:12:15,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:15,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:15,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:15,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:12:16,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:12:16,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 13:12:16,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 13:12:16,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 13:12:16,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:12:16,033 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2018-11-23 13:12:16,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:16,208 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2018-11-23 13:12:16,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 13:12:16,209 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-11-23 13:12:16,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:16,212 INFO L225 Difference]: With dead ends: 944 [2018-11-23 13:12:16,212 INFO L226 Difference]: Without dead ends: 487 [2018-11-23 13:12:16,213 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 [2018-11-23 13:12:16,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-11-23 13:12:16,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2018-11-23 13:12:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-11-23 13:12:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2018-11-23 13:12:16,247 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2018-11-23 13:12:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:16,248 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2018-11-23 13:12:16,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 13:12:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2018-11-23 13:12:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 13:12:16,250 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:16,250 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:12:16,250 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:16,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:16,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1654159510, now seen corresponding path program 1 times [2018-11-23 13:12:16,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:16,251 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:16,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:16,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:16,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:12:16,310 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:12:16,310 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:12:16,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:16,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:12:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:12:16,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:12:16,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-23 13:12:16,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 13:12:16,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 13:12:16,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-23 13:12:16,607 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 12 states. [2018-11-23 13:12:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:17,571 INFO L93 Difference]: Finished difference Result 1280 states and 1590 transitions. [2018-11-23 13:12:17,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 13:12:17,571 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 136 [2018-11-23 13:12:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:17,573 INFO L225 Difference]: With dead ends: 1280 [2018-11-23 13:12:17,574 INFO L226 Difference]: Without dead ends: 902 [2018-11-23 13:12:17,575 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2018-11-23 13:12:17,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2018-11-23 13:12:17,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 821. [2018-11-23 13:12:17,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-23 13:12:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 962 transitions. [2018-11-23 13:12:17,605 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 962 transitions. Word has length 136 [2018-11-23 13:12:17,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:17,606 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 962 transitions. [2018-11-23 13:12:17,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 13:12:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 962 transitions. [2018-11-23 13:12:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-23 13:12:17,607 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:17,608 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:12:17,608 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:17,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:17,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1944813790, now seen corresponding path program 1 times [2018-11-23 13:12:17,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:17,608 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:17,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:17,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:17,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 13:12:17,671 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:12:17,671 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:12:17,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:17,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:12:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 13:12:17,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:12:17,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-23 13:12:17,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:12:17,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:12:17,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:12:17,804 INFO L87 Difference]: Start difference. First operand 821 states and 962 transitions. Second operand 11 states. [2018-11-23 13:12:17,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:17,850 INFO L93 Difference]: Finished difference Result 1445 states and 1716 transitions. [2018-11-23 13:12:17,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:12:17,851 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2018-11-23 13:12:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:17,853 INFO L225 Difference]: With dead ends: 1445 [2018-11-23 13:12:17,853 INFO L226 Difference]: Without dead ends: 709 [2018-11-23 13:12:17,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:12:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-11-23 13:12:17,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-11-23 13:12:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-11-23 13:12:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 827 transitions. [2018-11-23 13:12:17,878 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 827 transitions. Word has length 132 [2018-11-23 13:12:17,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:17,878 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 827 transitions. [2018-11-23 13:12:17,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:12:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 827 transitions. [2018-11-23 13:12:17,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 13:12:17,879 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:12:17,879 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:12:17,879 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:12:17,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:12:17,880 INFO L82 PathProgramCache]: Analyzing trace with hash 538393945, now seen corresponding path program 1 times [2018-11-23 13:12:17,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:12:17,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:12:17,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:17,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:17,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:12:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 13:12:17,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:12:17,938 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:12:17,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:12:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:12:18,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:12:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 13:12:18,141 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:12:18,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 13:12:18,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 13:12:18,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 13:12:18,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-23 13:12:18,143 INFO L87 Difference]: Start difference. First operand 709 states and 827 transitions. Second operand 15 states. [2018-11-23 13:12:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:12:19,892 INFO L93 Difference]: Finished difference Result 2513 states and 3546 transitions. [2018-11-23 13:12:19,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 13:12:19,893 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-11-23 13:12:19,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:12:19,894 INFO L225 Difference]: With dead ends: 2513 [2018-11-23 13:12:19,894 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:12:19,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 13:12:19,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:12:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:12:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:12:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:12:19,899 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-11-23 13:12:19,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:12:19,900 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:12:19,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 13:12:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:12:19,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:12:19,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:12:20,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:20,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:12:21,063 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2018-11-23 13:12:21,196 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2018-11-23 13:12:21,357 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-23 13:12:21,755 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-11-23 13:12:22,360 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2018-11-23 13:12:22,529 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 26 [2018-11-23 13:12:22,681 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-11-23 13:12:23,256 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2018-11-23 13:12:23,833 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-11-23 13:12:23,833 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-23 13:12:23,833 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 13:12:23,834 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-11-23 13:12:23,834 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-11-23 13:12:23,835 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L451 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,835 INFO L448 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-11-23 13:12:23,835 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 13:12:23,835 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:12:23,836 INFO L444 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-23 13:12:23,837 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L451 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-11-23 13:12:23,837 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-11-23 13:12:23,838 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse6 .cse7) (or .cse5 .cse3 .cse6 .cse7)))) [2018-11-23 13:12:23,838 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-11-23 13:12:23,838 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-11-23 13:12:23,838 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or .cse2 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse4 .cse5) (or (<= 1 ~waterLevel~0) .cse1 .cse4 (< |old(~waterLevel~0)| 2)) (or .cse1 (and (<= ~waterLevel~0 1) .cse3) .cse4) (or .cse6 .cse0 .cse2 .cse5) (or .cse1 .cse4 .cse6)))) [2018-11-23 13:12:23,839 INFO L444 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (<= 1 ~waterLevel~0) .cse1 .cse2 (< |old(~waterLevel~0)| 2)) (let ((.cse3 (<= ~waterLevel~0 1))) (or (and (= 0 ~pumpRunning~0) .cse3) .cse1 (and .cse3 .cse4) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4) .cse2 .cse6 (and .cse5 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse0 .cse1 .cse5)))) [2018-11-23 13:12:23,839 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse8)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~waterLevel~0 2) .cse7 .cse8)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse4 .cse1 .cse5)))) [2018-11-23 13:12:23,839 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse0) (or .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)))) [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 13:12:23,839 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 13:12:23,839 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 13:12:23,840 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-11-23 13:12:23,840 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-11-23 13:12:23,840 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:12:23,841 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) (< ~waterLevel~0 2)) [2018-11-23 13:12:23,841 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1))) [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-11-23 13:12:23,841 INFO L448 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-11-23 13:12:23,842 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-11-23 13:12:23,842 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-11-23 13:12:23,842 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-11-23 13:12:23,842 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-11-23 13:12:23,842 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-11-23 13:12:23,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:12:23 BoogieIcfgContainer [2018-11-23 13:12:23,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:12:23,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:12:23,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:12:23,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:12:23,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:13" (3/4) ... [2018-11-23 13:12:23,856 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:12:23,861 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:12:23,862 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:12:23,872 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 13:12:23,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:12:23,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:12:23,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:12:23,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:12:23,873 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:12:23,874 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:12:23,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:12:23,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:12:23,922 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b3ce6a0-15d0-4641-bc62-b0f9dfb7ced5/bin-2019/uautomizer/witness.graphml [2018-11-23 13:12:23,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:12:23,923 INFO L168 Benchmark]: Toolchain (without parser) took 11063.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.6 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -270.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:12:23,924 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:12:23,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:12:23,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.05 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. [2018-11-23 13:12:23,924 INFO L168 Benchmark]: Boogie Preprocessor took 30.62 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. [2018-11-23 13:12:23,925 INFO L168 Benchmark]: RCFGBuilder took 448.49 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:12:23,925 INFO L168 Benchmark]: TraceAbstraction took 10130.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 249.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -184.0 MB). Peak memory consumption was 424.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:12:23,925 INFO L168 Benchmark]: Witness Printer took 70.56 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:12:23,927 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.05 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. * Boogie Preprocessor took 30.62 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 448.49 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10130.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 249.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -184.0 MB). Peak memory consumption was 424.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.56 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1937 SDtfs, 1987 SDslu, 6894 SDs, 0 SdLazy, 4826 SolverSat, 1094 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 570 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=821occurred in iteration=10, 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, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 2475 PreInvPairs, 2984 NumberOfFragments, 1552 HoareAnnotationTreeSize, 2475 FomulaSimplifications, 10947 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 59 FomulaSimplificationsInter, 29494 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1477 NumberOfCodeBlocks, 1477 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1462 ConstructedInterpolants, 0 QuantifiedInterpolants, 246887 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2444 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 164/180 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...