./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/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 ae33dcba0147a107c551c432e2bfc2c49f1e3070 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:02:45,290 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:02:45,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:02:45,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:02:45,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:02:45,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:02:45,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:02:45,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:02:45,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:02:45,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:02:45,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:02:45,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:02:45,301 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:02:45,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:02:45,302 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:02:45,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:02:45,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:02:45,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:02:45,304 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:02:45,305 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:02:45,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:02:45,306 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:02:45,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:02:45,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:02:45,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:02:45,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:02:45,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:02:45,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:02:45,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:02:45,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:02:45,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:02:45,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:02:45,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:02:45,310 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:02:45,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:02:45,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:02:45,310 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 20:02:45,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:02:45,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:02:45,318 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:02:45,318 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:02:45,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:02:45,318 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:02:45,318 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 20:02:45,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:02:45,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:02:45,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:02:45,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:02:45,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:02:45,321 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_6ea36b3a-8814-4e0c-b182-af5866f026f2/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 -> ae33dcba0147a107c551c432e2bfc2c49f1e3070 [2018-12-08 20:02:45,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:02:45,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:02:45,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:02:45,347 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:02:45,347 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:02:45,348 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-08 20:02:45,382 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/data/6c418b130/63b1c4f852d04c1b95144483399cc99d/FLAG14e282a8d [2018-12-08 20:02:45,860 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:02:45,861 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-08 20:02:45,867 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/data/6c418b130/63b1c4f852d04c1b95144483399cc99d/FLAG14e282a8d [2018-12-08 20:02:45,877 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/data/6c418b130/63b1c4f852d04c1b95144483399cc99d [2018-12-08 20:02:45,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:02:45,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:02:45,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:02:45,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:02:45,882 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:02:45,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:02:45" (1/1) ... [2018-12-08 20:02:45,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:45, skipping insertion in model container [2018-12-08 20:02:45,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:02:45" (1/1) ... [2018-12-08 20:02:45,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:02:45,915 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:02:46,086 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:02:46,129 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:02:46,167 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:02:46,181 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:02:46,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46 WrapperNode [2018-12-08 20:02:46,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:02:46,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:02:46,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:02:46,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:02:46,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:02:46,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:02:46,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:02:46,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:02:46,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... [2018-12-08 20:02:46,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:02:46,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:02:46,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:02:46,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:02:46,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:02:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 20:02:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 20:02:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:02:46,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:02:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:02:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:02:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 20:02:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 20:02:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:02:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 20:02:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 20:02:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 20:02:46,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 20:02:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 20:02:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 20:02:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 20:02:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 20:02:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 20:02:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 20:02:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 20:02:46,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 20:02:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 20:02:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 20:02:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 20:02:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 20:02:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 20:02:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 20:02:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 20:02:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 20:02:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 20:02:46,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 20:02:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 20:02:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 20:02:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 20:02:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 20:02:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 20:02:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 20:02:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 20:02:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 20:02:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 20:02:46,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 20:02:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 20:02:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 20:02:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 20:02:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 20:02:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 20:02:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 20:02:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 20:02:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 20:02:46,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 20:02:46,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 20:02:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:02:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 20:02:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 20:02:46,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 20:02:46,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:02:46,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:02:46,538 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:02:46,538 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 20:02:46,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:02:46 BoogieIcfgContainer [2018-12-08 20:02:46,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:02:46,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:02:46,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:02:46,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:02:46,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:02:45" (1/3) ... [2018-12-08 20:02:46,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8f15b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:02:46, skipping insertion in model container [2018-12-08 20:02:46,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:02:46" (2/3) ... [2018-12-08 20:02:46,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8f15b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:02:46, skipping insertion in model container [2018-12-08 20:02:46,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:02:46" (3/3) ... [2018-12-08 20:02:46,545 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-12-08 20:02:46,553 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:02:46,558 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:02:46,566 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:02:46,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 20:02:46,585 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:02:46,585 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:02:46,585 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:02:46,585 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:02:46,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:02:46,585 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:02:46,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:02:46,586 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:02:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-08 20:02:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 20:02:46,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:46,605 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] [2018-12-08 20:02:46,607 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:46,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:46,612 INFO L82 PathProgramCache]: Analyzing trace with hash 697670877, now seen corresponding path program 1 times [2018-12-08 20:02:46,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:46,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:46,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:46,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:46,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:46,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:46,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 20:02:46,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 20:02:46,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 20:02:46,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:02:46,782 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-08 20:02:46,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:46,814 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-08 20:02:46,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 20:02:46,814 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 20:02:46,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:46,822 INFO L225 Difference]: With dead ends: 292 [2018-12-08 20:02:46,823 INFO L226 Difference]: Without dead ends: 146 [2018-12-08 20:02:46,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:02:46,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-08 20:02:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-08 20:02:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-08 20:02:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-08 20:02:46,859 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-12-08 20:02:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:46,860 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-08 20:02:46,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 20:02:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-08 20:02:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 20:02:46,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:46,862 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] [2018-12-08 20:02:46,863 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:46,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:46,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1056936711, now seen corresponding path program 1 times [2018-12-08 20:02:46,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:46,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:46,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:46,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:46,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:46,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:46,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:02:46,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:02:46,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:02:46,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:02:46,927 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-12-08 20:02:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:46,946 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-12-08 20:02:46,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:02:46,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 20:02:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:46,948 INFO L225 Difference]: With dead ends: 241 [2018-12-08 20:02:46,948 INFO L226 Difference]: Without dead ends: 137 [2018-12-08 20:02:46,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:02:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-08 20:02:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-08 20:02:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-08 20:02:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-08 20:02:46,960 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-12-08 20:02:46,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:46,960 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-08 20:02:46,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:02:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-08 20:02:46,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 20:02:46,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:46,962 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] [2018-12-08 20:02:46,962 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:46,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:46,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1110661237, now seen corresponding path program 1 times [2018-12-08 20:02:46,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:46,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:46,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:46,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:47,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:47,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:02:47,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:02:47,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:02:47,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:02:47,041 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-12-08 20:02:47,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:47,207 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2018-12-08 20:02:47,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 20:02:47,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 20:02:47,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:47,209 INFO L225 Difference]: With dead ends: 250 [2018-12-08 20:02:47,209 INFO L226 Difference]: Without dead ends: 137 [2018-12-08 20:02:47,210 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:02:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-08 20:02:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-08 20:02:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-08 20:02:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-12-08 20:02:47,221 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2018-12-08 20:02:47,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:47,221 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-12-08 20:02:47,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:02:47,221 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-12-08 20:02:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 20:02:47,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:47,223 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] [2018-12-08 20:02:47,223 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:47,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:47,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1943254263, now seen corresponding path program 1 times [2018-12-08 20:02:47,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:47,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:47,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:47,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:47,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:47,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:47,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 20:02:47,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 20:02:47,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 20:02:47,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 20:02:47,295 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2018-12-08 20:02:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:47,549 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2018-12-08 20:02:47,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:02:47,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 20:02:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:47,551 INFO L225 Difference]: With dead ends: 352 [2018-12-08 20:02:47,551 INFO L226 Difference]: Without dead ends: 239 [2018-12-08 20:02:47,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 20:02:47,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-08 20:02:47,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2018-12-08 20:02:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-12-08 20:02:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-12-08 20:02:47,572 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2018-12-08 20:02:47,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:47,572 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-12-08 20:02:47,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 20:02:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-12-08 20:02:47,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 20:02:47,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:47,574 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] [2018-12-08 20:02:47,574 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:47,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:47,575 INFO L82 PathProgramCache]: Analyzing trace with hash -215738354, now seen corresponding path program 1 times [2018-12-08 20:02:47,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:47,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:47,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:47,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:47,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:47,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:47,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:47,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 20:02:47,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 20:02:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 20:02:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 20:02:47,662 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2018-12-08 20:02:47,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:47,970 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2018-12-08 20:02:47,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 20:02:47,970 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-12-08 20:02:47,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:47,972 INFO L225 Difference]: With dead ends: 703 [2018-12-08 20:02:47,972 INFO L226 Difference]: Without dead ends: 506 [2018-12-08 20:02:47,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:02:47,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-12-08 20:02:47,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2018-12-08 20:02:47,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-12-08 20:02:48,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2018-12-08 20:02:48,000 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2018-12-08 20:02:48,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:48,000 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2018-12-08 20:02:48,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 20:02:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2018-12-08 20:02:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:02:48,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:48,003 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:48,003 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:48,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:48,003 INFO L82 PathProgramCache]: Analyzing trace with hash -482528267, now seen corresponding path program 1 times [2018-12-08 20:02:48,003 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:48,003 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:48,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:48,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:48,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:48,063 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:02:48,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:02:48,063 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:02:48,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:48,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:02:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:48,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:02:48,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-12-08 20:02:48,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-08 20:02:48,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-08 20:02:48,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-12-08 20:02:48,276 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 12 states. [2018-12-08 20:02:49,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:49,416 INFO L93 Difference]: Finished difference Result 1410 states and 1864 transitions. [2018-12-08 20:02:49,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 20:02:49,416 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 135 [2018-12-08 20:02:49,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:49,419 INFO L225 Difference]: With dead ends: 1410 [2018-12-08 20:02:49,419 INFO L226 Difference]: Without dead ends: 938 [2018-12-08 20:02:49,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-12-08 20:02:49,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2018-12-08 20:02:49,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 864. [2018-12-08 20:02:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2018-12-08 20:02:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1059 transitions. [2018-12-08 20:02:49,462 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1059 transitions. Word has length 135 [2018-12-08 20:02:49,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:49,462 INFO L480 AbstractCegarLoop]: Abstraction has 864 states and 1059 transitions. [2018-12-08 20:02:49,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-08 20:02:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1059 transitions. [2018-12-08 20:02:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-08 20:02:49,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:49,464 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:49,464 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:49,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:49,465 INFO L82 PathProgramCache]: Analyzing trace with hash -3305839, now seen corresponding path program 1 times [2018-12-08 20:02:49,465 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:49,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:49,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:49,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:49,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:02:49,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:02:49,545 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:02:49,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:49,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:02:49,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 20:02:49,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:02:49,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-08 20:02:49,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 20:02:49,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 20:02:49,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:02:49,656 INFO L87 Difference]: Start difference. First operand 864 states and 1059 transitions. Second operand 11 states. [2018-12-08 20:02:49,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:49,712 INFO L93 Difference]: Finished difference Result 1573 states and 1972 transitions. [2018-12-08 20:02:49,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 20:02:49,712 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2018-12-08 20:02:49,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:49,715 INFO L225 Difference]: With dead ends: 1573 [2018-12-08 20:02:49,716 INFO L226 Difference]: Without dead ends: 733 [2018-12-08 20:02:49,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-08 20:02:49,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2018-12-08 20:02:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2018-12-08 20:02:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-12-08 20:02:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 883 transitions. [2018-12-08 20:02:49,753 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 883 transitions. Word has length 131 [2018-12-08 20:02:49,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:49,753 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 883 transitions. [2018-12-08 20:02:49,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 20:02:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 883 transitions. [2018-12-08 20:02:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 20:02:49,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:49,755 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:49,755 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:49,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:49,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1727344072, now seen corresponding path program 1 times [2018-12-08 20:02:49,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:49,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:49,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:49,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:49,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 20:02:49,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:49,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 20:02:49,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 20:02:49,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 20:02:49,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:02:49,836 INFO L87 Difference]: Start difference. First operand 733 states and 883 transitions. Second operand 9 states. [2018-12-08 20:02:50,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:50,190 INFO L93 Difference]: Finished difference Result 1958 states and 2419 transitions. [2018-12-08 20:02:50,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 20:02:50,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2018-12-08 20:02:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:50,195 INFO L225 Difference]: With dead ends: 1958 [2018-12-08 20:02:50,196 INFO L226 Difference]: Without dead ends: 1249 [2018-12-08 20:02:50,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-08 20:02:50,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2018-12-08 20:02:50,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1246. [2018-12-08 20:02:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2018-12-08 20:02:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1488 transitions. [2018-12-08 20:02:50,244 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1488 transitions. Word has length 135 [2018-12-08 20:02:50,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:50,244 INFO L480 AbstractCegarLoop]: Abstraction has 1246 states and 1488 transitions. [2018-12-08 20:02:50,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 20:02:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1488 transitions. [2018-12-08 20:02:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-08 20:02:50,245 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:50,245 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:50,246 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:50,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:50,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1825563524, now seen corresponding path program 1 times [2018-12-08 20:02:50,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:50,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:50,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:50,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:50,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 20:02:50,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:02:50,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 20:02:50,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:02:50,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:02:50,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:02:50,304 INFO L87 Difference]: Start difference. First operand 1246 states and 1488 transitions. Second operand 6 states. [2018-12-08 20:02:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:50,413 INFO L93 Difference]: Finished difference Result 1271 states and 1517 transitions. [2018-12-08 20:02:50,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 20:02:50,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-12-08 20:02:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:50,419 INFO L225 Difference]: With dead ends: 1271 [2018-12-08 20:02:50,419 INFO L226 Difference]: Without dead ends: 1268 [2018-12-08 20:02:50,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 20:02:50,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2018-12-08 20:02:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1246. [2018-12-08 20:02:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1246 states. [2018-12-08 20:02:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1246 states and 1480 transitions. [2018-12-08 20:02:50,466 INFO L78 Accepts]: Start accepts. Automaton has 1246 states and 1480 transitions. Word has length 139 [2018-12-08 20:02:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:50,466 INFO L480 AbstractCegarLoop]: Abstraction has 1246 states and 1480 transitions. [2018-12-08 20:02:50,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:02:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1480 transitions. [2018-12-08 20:02:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 20:02:50,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:50,468 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:50,468 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:50,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:50,468 INFO L82 PathProgramCache]: Analyzing trace with hash 243464153, now seen corresponding path program 1 times [2018-12-08 20:02:50,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:50,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:50,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:50,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:50,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-08 20:02:50,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:02:50,595 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:02:50,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:50,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:50,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:02:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:02:50,740 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 20:02:50,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-12-08 20:02:50,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 20:02:50,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 20:02:50,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:02:50,741 INFO L87 Difference]: Start difference. First operand 1246 states and 1480 transitions. Second operand 14 states. [2018-12-08 20:02:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:51,516 INFO L93 Difference]: Finished difference Result 2482 states and 3094 transitions. [2018-12-08 20:02:51,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 20:02:51,516 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-08 20:02:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:51,521 INFO L225 Difference]: With dead ends: 2482 [2018-12-08 20:02:51,521 INFO L226 Difference]: Without dead ends: 1388 [2018-12-08 20:02:51,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-12-08 20:02:51,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-12-08 20:02:51,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1216. [2018-12-08 20:02:51,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2018-12-08 20:02:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1444 transitions. [2018-12-08 20:02:51,564 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1444 transitions. Word has length 157 [2018-12-08 20:02:51,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:51,564 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1444 transitions. [2018-12-08 20:02:51,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 20:02:51,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1444 transitions. [2018-12-08 20:02:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 20:02:51,567 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:51,567 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 20:02:51,567 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:51,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:51,567 INFO L82 PathProgramCache]: Analyzing trace with hash -664296079, now seen corresponding path program 2 times [2018-12-08 20:02:51,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:51,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:51,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:51,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:51,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 20:02:51,632 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:02:51,632 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:02:51,638 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-12-08 20:02:51,740 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-12-08 20:02:51,740 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-08 20:02:51,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:02:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 20:02:51,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:02:51,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-12-08 20:02:51,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 20:02:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 20:02:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:02:51,857 INFO L87 Difference]: Start difference. First operand 1216 states and 1444 transitions. Second operand 14 states. [2018-12-08 20:02:52,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:52,916 INFO L93 Difference]: Finished difference Result 3057 states and 3726 transitions. [2018-12-08 20:02:52,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 20:02:52,916 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 226 [2018-12-08 20:02:52,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:52,924 INFO L225 Difference]: With dead ends: 3057 [2018-12-08 20:02:52,924 INFO L226 Difference]: Without dead ends: 1989 [2018-12-08 20:02:52,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-12-08 20:02:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2018-12-08 20:02:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1823. [2018-12-08 20:02:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2018-12-08 20:02:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2104 transitions. [2018-12-08 20:02:52,986 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2104 transitions. Word has length 226 [2018-12-08 20:02:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:52,987 INFO L480 AbstractCegarLoop]: Abstraction has 1823 states and 2104 transitions. [2018-12-08 20:02:52,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 20:02:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2104 transitions. [2018-12-08 20:02:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 20:02:52,989 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:02:52,990 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:02:52,990 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:02:52,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:02:52,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1597277171, now seen corresponding path program 1 times [2018-12-08 20:02:52,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:02:52,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:02:52,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:52,991 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 20:02:52,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:02:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:53,078 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 20:02:53,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 20:02:53,078 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 20:02:53,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:02:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:02:53,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 20:02:53,246 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 20:02:53,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 20:02:53,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 20:02:53,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 20:02:53,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 20:02:53,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 20:02:53,265 INFO L87 Difference]: Start difference. First operand 1823 states and 2104 transitions. Second operand 13 states. [2018-12-08 20:02:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:02:53,327 INFO L93 Difference]: Finished difference Result 2504 states and 2884 transitions. [2018-12-08 20:02:53,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 20:02:53,328 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-12-08 20:02:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:02:53,328 INFO L225 Difference]: With dead ends: 2504 [2018-12-08 20:02:53,328 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 20:02:53,332 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-08 20:02:53,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 20:02:53,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 20:02:53,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 20:02:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 20:02:53,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-12-08 20:02:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:02:53,334 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 20:02:53,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 20:02:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 20:02:53,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:02:53,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 20:02:53,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:53,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 20:02:54,179 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2018-12-08 20:02:54,284 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2018-12-08 20:02:55,462 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2018-12-08 20:02:55,462 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2018-12-08 20:02:55,462 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2018-12-08 20:02:55,462 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2018-12-08 20:02:55,462 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2018-12-08 20:02:55,463 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,463 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L444 ceAbstractionStarter]: At program point L969(line 969) 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) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,464 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) 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) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,464 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,464 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-12-08 20:02:55,464 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-12-08 20:02:55,464 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L451 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2018-12-08 20:02:55,465 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-12-08 20:02:55,465 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-12-08 20:02:55,465 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2018-12-08 20:02:55,466 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-08 20:02:55,467 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 20:02:55,467 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-12-08 20:02:55,467 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2018-12-08 20:02:55,467 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,467 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 20:02:55,467 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 20:02:55,468 INFO L444 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L444 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L444 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-12-08 20:02:55,468 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,469 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-12-08 20:02:55,469 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (< ~waterLevel~0 2) .cse7)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (not .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse5 .cse6 .cse7 .cse4) (or .cse1 .cse5 .cse0 .cse6 .cse7)))) [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-12-08 20:02:55,470 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-12-08 20:02:55,470 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-12-08 20:02:55,470 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-12-08 20:02:55,471 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-12-08 20:02:55,471 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-12-08 20:02:55,471 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= 0 ~pumpRunning~0) .cse0) (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse1) .cse0)) (or (< |old(~waterLevel~0)| 2) .cse2)) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse2))) [2018-12-08 20:02:55,471 INFO L444 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 1))) (let ((.cse2 (not .cse3)) (.cse1 (and (<= 2 ~waterLevel~0) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3))) (and (or (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse0))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse2)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| 1) .cse2 .cse1)))) [2018-12-08 20:02:55,471 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse1))) [2018-12-08 20:02:55,471 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2018-12-08 20:02:55,471 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 20:02:55,472 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)) [2018-12-08 20:02:55,472 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,472 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2018-12-08 20:02:55,472 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-12-08 20:02:55,473 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (or (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L444 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~waterLevel~0 |old(~waterLevel~0)|)) (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (<= 2 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0))))) [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2018-12-08 20:02:55,473 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2018-12-08 20:02:55,473 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2018-12-08 20:02:55,474 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2018-12-08 20:02:55,474 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 20:02:55,474 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 20:02:55,474 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2018-12-08 20:02:55,474 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-08 20:02:55,474 INFO L444 ceAbstractionStarter]: At program point L556(line 556) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 20:02:55,474 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2018-12-08 20:02:55,474 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 20:02:55,474 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-12-08 20:02:55,474 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-12-08 20:02:55,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:02:55 BoogieIcfgContainer [2018-12-08 20:02:55,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:02:55,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:02:55,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:02:55,484 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:02:55,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:02:46" (3/4) ... [2018-12-08 20:02:55,487 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:02:55,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 20:02:55,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 20:02:55,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 20:02:55,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 20:02:55,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 20:02:55,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 20:02:55,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 20:02:55,501 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 20:02:55,501 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 20:02:55,501 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 20:02:55,502 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 20:02:55,502 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 20:02:55,502 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 20:02:55,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 20:02:55,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 20:02:55,542 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ea36b3a-8814-4e0c-b182-af5866f026f2/bin-2019/uautomizer/witness.graphml [2018-12-08 20:02:55,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:02:55,543 INFO L168 Benchmark]: Toolchain (without parser) took 9663.89 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 534.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 395.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,543 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:02:55,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,543 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:02:55,543 INFO L168 Benchmark]: Boogie Preprocessor took 20.72 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,543 INFO L168 Benchmark]: RCFGBuilder took 316.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,544 INFO L168 Benchmark]: TraceAbstraction took 8944.11 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -57.0 MB). Peak memory consumption was 544.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,544 INFO L168 Benchmark]: Witness Printer took 58.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:02:55,545 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.72 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 316.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8944.11 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 415.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -57.0 MB). Peak memory consumption was 544.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.11 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 750]: 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: 420]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 4.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2271 SDtfs, 2394 SDslu, 7850 SDs, 0 SdLazy, 7503 SolverSat, 1138 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1067 GetRequests, 911 SyntacticMatches, 2 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1823occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 465 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 3352 PreInvPairs, 3457 NumberOfFragments, 1255 HoareAnnotationTreeSize, 3352 FomulaSimplifications, 7823 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 17669 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2320 NumberOfCodeBlocks, 2320 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2303 ConstructedInterpolants, 0 QuantifiedInterpolants, 542191 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4509 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 691/740 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...