./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/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_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/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 0.1.23-0cd3be1 [2018-11-28 12:04:28,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:04:28,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:04:28,640 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:04:28,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:04:28,641 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:04:28,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:04:28,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:04:28,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:04:28,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:04:28,645 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:04:28,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:04:28,646 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:04:28,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:04:28,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:04:28,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:04:28,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:04:28,650 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:04:28,651 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:04:28,652 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:04:28,653 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:04:28,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:04:28,655 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:04:28,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:04:28,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:04:28,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:04:28,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:04:28,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:04:28,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:04:28,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:04:28,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:04:28,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:04:28,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:04:28,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:04:28,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:04:28,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:04:28,659 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:04:28,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:04:28,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:04:28,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:04:28,667 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:04:28,668 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:04:28,668 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:04:28,668 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:04:28,668 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:04:28,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:04:28,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:04:28,670 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:04:28,670 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:04:28,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:04:28,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:04:28,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:04:28,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:04:28,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:04:28,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:04:28,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:04:28,672 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_8d051f21-8315-4ae5-a63a-303885e3532b/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 [2018-11-28 12:04:28,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:04:28,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:04:28,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:04:28,709 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:04:28,709 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:04:28,709 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:04:28,755 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/data/d8cdc2f11/07cac4e056c04897b86508d28cf19bab/FLAGc079ae619 [2018-11-28 12:04:29,088 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:04:29,088 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/sv-benchmarks/c/product-lines/minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:04:29,097 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/data/d8cdc2f11/07cac4e056c04897b86508d28cf19bab/FLAGc079ae619 [2018-11-28 12:04:29,106 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/data/d8cdc2f11/07cac4e056c04897b86508d28cf19bab [2018-11-28 12:04:29,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:04:29,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:04:29,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:04:29,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:04:29,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:04:29,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4055da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29, skipping insertion in model container [2018-11-28 12:04:29,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:04:29,146 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:04:29,337 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:04:29,394 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:04:29,445 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:04:29,460 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:04:29,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29 WrapperNode [2018-11-28 12:04:29,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:04:29,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:04:29,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:04:29,461 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:04:29,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:04:29,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:04:29,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:04:29,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:04:29,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... [2018-11-28 12:04:29,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:04:29,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:04:29,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:04:29,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:04:29,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:04:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:04:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:04:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:04:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:04:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:04:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:04:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:04:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:04:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:04:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:04:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:04:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:04:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:04:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:04:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:04:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:04:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:04:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:04:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:04:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:04:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:04:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:04:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:04:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:04:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:04:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:04:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:04:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:04:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:04:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:04:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:04:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:04:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:04:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:04:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:04:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:04:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:04:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:04:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:04:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:04:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:04:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:04:29,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:04:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:04:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:04:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:04:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:04:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:04:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:04:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:04:29,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:04:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:04:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:04:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:04:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:04:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:04:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:04:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:04:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:04:29,564 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:04:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:04:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:04:30,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:04:30,058 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:04:30,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:04:30 BoogieIcfgContainer [2018-11-28 12:04:30,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:04:30,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:04:30,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:04:30,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:04:30,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:04:29" (1/3) ... [2018-11-28 12:04:30,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6125e6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:04:30, skipping insertion in model container [2018-11-28 12:04:30,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:04:29" (2/3) ... [2018-11-28 12:04:30,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6125e6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:04:30, skipping insertion in model container [2018-11-28 12:04:30,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:04:30" (3/3) ... [2018-11-28 12:04:30,065 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product53_true-unreach-call_false-termination.cil.c [2018-11-28 12:04:30,071 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:04:30,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:04:30,086 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:04:30,106 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:04:30,107 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:04:30,107 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:04:30,107 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:04:30,107 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:04:30,107 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:04:30,107 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:04:30,107 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:04:30,107 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:04:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-28 12:04:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:04:30,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:30,128 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] [2018-11-28 12:04:30,130 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:30,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:30,134 INFO L82 PathProgramCache]: Analyzing trace with hash 697670877, now seen corresponding path program 1 times [2018-11-28 12:04:30,135 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:30,135 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:30,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:30,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:30,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:30,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:04:30,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:04:30,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:04:30,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:04:30,322 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-28 12:04:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:30,350 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-11-28 12:04:30,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:04:30,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:04:30,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:30,362 INFO L225 Difference]: With dead ends: 292 [2018-11-28 12:04:30,362 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 12:04:30,366 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:04:30,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 12:04:30,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 12:04:30,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 12:04:30,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-28 12:04:30,404 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-11-28 12:04:30,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:30,405 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-28 12:04:30,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:04:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-28 12:04:30,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:04:30,408 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:30,408 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] [2018-11-28 12:04:30,408 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:30,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:30,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1056936711, now seen corresponding path program 1 times [2018-11-28 12:04:30,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:30,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:30,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:30,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:30,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:30,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:04:30,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:04:30,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:04:30,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:04:30,506 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-11-28 12:04:30,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:30,525 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-11-28 12:04:30,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:04:30,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:04:30,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:30,526 INFO L225 Difference]: With dead ends: 241 [2018-11-28 12:04:30,526 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 12:04:30,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:04:30,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 12:04:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 12:04:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 12:04:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-11-28 12:04:30,538 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-11-28 12:04:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:30,538 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-11-28 12:04:30,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:04:30,538 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-11-28 12:04:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:04:30,539 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:30,539 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] [2018-11-28 12:04:30,539 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:30,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:30,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1110661237, now seen corresponding path program 1 times [2018-11-28 12:04:30,540 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:30,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:30,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:30,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:30,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:30,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:04:30,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:04:30,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:04:30,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:04:30,634 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-11-28 12:04:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:30,826 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2018-11-28 12:04:30,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:04:30,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:04:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:30,828 INFO L225 Difference]: With dead ends: 250 [2018-11-28 12:04:30,828 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 12:04:30,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:04:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 12:04:30,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 12:04:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 12:04:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-11-28 12:04:30,841 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 51 [2018-11-28 12:04:30,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:30,842 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-11-28 12:04:30,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:04:30,842 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-11-28 12:04:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 12:04:30,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:30,845 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] [2018-11-28 12:04:30,845 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:30,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:30,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1943254263, now seen corresponding path program 1 times [2018-11-28 12:04:30,846 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:30,846 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:30,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:30,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:30,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:30,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:04:30,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:04:30,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:04:30,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:04:30,946 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 5 states. [2018-11-28 12:04:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:31,362 INFO L93 Difference]: Finished difference Result 352 states and 425 transitions. [2018-11-28 12:04:31,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:04:31,363 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 12:04:31,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:31,365 INFO L225 Difference]: With dead ends: 352 [2018-11-28 12:04:31,365 INFO L226 Difference]: Without dead ends: 239 [2018-11-28 12:04:31,366 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 [2018-11-28 12:04:31,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-28 12:04:31,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 221. [2018-11-28 12:04:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-28 12:04:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 250 transitions. [2018-11-28 12:04:31,388 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 250 transitions. Word has length 69 [2018-11-28 12:04:31,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:31,388 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 250 transitions. [2018-11-28 12:04:31,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:04:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 250 transitions. [2018-11-28 12:04:31,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:04:31,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:31,390 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] [2018-11-28 12:04:31,390 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:31,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:31,391 INFO L82 PathProgramCache]: Analyzing trace with hash -215738354, now seen corresponding path program 1 times [2018-11-28 12:04:31,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:31,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:31,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:31,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:31,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:31,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:31,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:04:31,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:04:31,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:04:31,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:04:31,487 INFO L87 Difference]: Start difference. First operand 221 states and 250 transitions. Second operand 10 states. [2018-11-28 12:04:31,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:31,950 INFO L93 Difference]: Finished difference Result 703 states and 867 transitions. [2018-11-28 12:04:31,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:04:31,951 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-11-28 12:04:31,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:31,955 INFO L225 Difference]: With dead ends: 703 [2018-11-28 12:04:31,955 INFO L226 Difference]: Without dead ends: 506 [2018-11-28 12:04:31,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:04:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-11-28 12:04:31,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 496. [2018-11-28 12:04:31,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2018-11-28 12:04:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 582 transitions. [2018-11-28 12:04:31,987 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 582 transitions. Word has length 83 [2018-11-28 12:04:31,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:31,988 INFO L480 AbstractCegarLoop]: Abstraction has 496 states and 582 transitions. [2018-11-28 12:04:31,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:04:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 582 transitions. [2018-11-28 12:04:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-28 12:04:31,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:31,990 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] [2018-11-28 12:04:31,991 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:31,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:31,991 INFO L82 PathProgramCache]: Analyzing trace with hash -243545585, now seen corresponding path program 1 times [2018-11-28 12:04:31,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:31,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:31,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:31,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:31,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:04:32,067 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:04:32,067 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:04:32,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:32,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:04:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:04:32,240 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:04:32,240 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 12:04:32,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:04:32,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:04:32,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:04:32,241 INFO L87 Difference]: Start difference. First operand 496 states and 582 transitions. Second operand 6 states. [2018-11-28 12:04:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:32,302 INFO L93 Difference]: Finished difference Result 983 states and 1179 transitions. [2018-11-28 12:04:32,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:04:32,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-28 12:04:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:32,305 INFO L225 Difference]: With dead ends: 983 [2018-11-28 12:04:32,306 INFO L226 Difference]: Without dead ends: 511 [2018-11-28 12:04:32,307 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:04:32,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-28 12:04:32,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2018-11-28 12:04:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-11-28 12:04:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 598 transitions. [2018-11-28 12:04:32,335 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 598 transitions. Word has length 131 [2018-11-28 12:04:32,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:32,335 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 598 transitions. [2018-11-28 12:04:32,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:04:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 598 transitions. [2018-11-28 12:04:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-28 12:04:32,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:32,339 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] [2018-11-28 12:04:32,339 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:32,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:32,339 INFO L82 PathProgramCache]: Analyzing trace with hash -3305839, now seen corresponding path program 1 times [2018-11-28 12:04:32,340 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:32,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:32,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:32,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:32,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:04:32,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:04:32,413 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:04:32,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:32,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:04:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 12:04:32,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:04:32,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 12:04:32,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 12:04:32,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 12:04:32,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:04:32,585 INFO L87 Difference]: Start difference. First operand 511 states and 598 transitions. Second operand 11 states. [2018-11-28 12:04:32,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:32,622 INFO L93 Difference]: Finished difference Result 926 states and 1115 transitions. [2018-11-28 12:04:32,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:04:32,624 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 131 [2018-11-28 12:04:32,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:32,625 INFO L225 Difference]: With dead ends: 926 [2018-11-28 12:04:32,625 INFO L226 Difference]: Without dead ends: 439 [2018-11-28 12:04:32,626 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 [2018-11-28 12:04:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-11-28 12:04:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2018-11-28 12:04:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-28 12:04:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 507 transitions. [2018-11-28 12:04:32,643 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 507 transitions. Word has length 131 [2018-11-28 12:04:32,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:32,643 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 507 transitions. [2018-11-28 12:04:32,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 12:04:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 507 transitions. [2018-11-28 12:04:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-28 12:04:32,646 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:32,646 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] [2018-11-28 12:04:32,646 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:32,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:32,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1727344072, now seen corresponding path program 1 times [2018-11-28 12:04:32,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:32,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:32,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:32,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:32,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:32,724 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 12:04:32,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:32,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:04:32,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:04:32,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:04:32,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:04:32,725 INFO L87 Difference]: Start difference. First operand 439 states and 507 transitions. Second operand 9 states. [2018-11-28 12:04:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:33,079 INFO L93 Difference]: Finished difference Result 1171 states and 1388 transitions. [2018-11-28 12:04:33,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:04:33,079 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2018-11-28 12:04:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:33,082 INFO L225 Difference]: With dead ends: 1171 [2018-11-28 12:04:33,082 INFO L226 Difference]: Without dead ends: 756 [2018-11-28 12:04:33,084 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 [2018-11-28 12:04:33,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2018-11-28 12:04:33,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 753. [2018-11-28 12:04:33,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-28 12:04:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 864 transitions. [2018-11-28 12:04:33,114 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 864 transitions. Word has length 135 [2018-11-28 12:04:33,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:33,115 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 864 transitions. [2018-11-28 12:04:33,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:04:33,115 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 864 transitions. [2018-11-28 12:04:33,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-28 12:04:33,117 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:33,118 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] [2018-11-28 12:04:33,118 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:33,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:33,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1825563524, now seen corresponding path program 1 times [2018-11-28 12:04:33,118 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:33,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:33,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:33,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:33,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 12:04:33,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:04:33,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:04:33,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:04:33,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:04:33,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:04:33,207 INFO L87 Difference]: Start difference. First operand 753 states and 864 transitions. Second operand 6 states. [2018-11-28 12:04:33,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:33,299 INFO L93 Difference]: Finished difference Result 762 states and 874 transitions. [2018-11-28 12:04:33,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:04:33,299 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-28 12:04:33,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:33,302 INFO L225 Difference]: With dead ends: 762 [2018-11-28 12:04:33,302 INFO L226 Difference]: Without dead ends: 759 [2018-11-28 12:04:33,302 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 [2018-11-28 12:04:33,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2018-11-28 12:04:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 753. [2018-11-28 12:04:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-28 12:04:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 862 transitions. [2018-11-28 12:04:33,327 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 862 transitions. Word has length 139 [2018-11-28 12:04:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:33,327 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 862 transitions. [2018-11-28 12:04:33,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:04:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 862 transitions. [2018-11-28 12:04:33,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 12:04:33,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:33,329 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] [2018-11-28 12:04:33,329 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:33,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:33,330 INFO L82 PathProgramCache]: Analyzing trace with hash 243464153, now seen corresponding path program 1 times [2018-11-28 12:04:33,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:33,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:33,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:33,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:33,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-28 12:04:33,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:04:33,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:04:33,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:33,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:04:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:04:33,666 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:04:33,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 12:04:33,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:04:33,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:04:33,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:04:33,667 INFO L87 Difference]: Start difference. First operand 753 states and 862 transitions. Second operand 14 states. [2018-11-28 12:04:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:34,635 INFO L93 Difference]: Finished difference Result 1758 states and 2319 transitions. [2018-11-28 12:04:34,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 12:04:34,635 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-11-28 12:04:34,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:34,639 INFO L225 Difference]: With dead ends: 1758 [2018-11-28 12:04:34,639 INFO L226 Difference]: Without dead ends: 1153 [2018-11-28 12:04:34,641 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:04:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2018-11-28 12:04:34,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 914. [2018-11-28 12:04:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2018-11-28 12:04:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1076 transitions. [2018-11-28 12:04:34,683 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1076 transitions. Word has length 157 [2018-11-28 12:04:34,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:34,683 INFO L480 AbstractCegarLoop]: Abstraction has 914 states and 1076 transitions. [2018-11-28 12:04:34,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:04:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1076 transitions. [2018-11-28 12:04:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-28 12:04:34,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:34,687 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] [2018-11-28 12:04:34,687 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:34,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:34,688 INFO L82 PathProgramCache]: Analyzing trace with hash -664296079, now seen corresponding path program 2 times [2018-11-28 12:04:34,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:34,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:34,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:34,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:34,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-28 12:04:34,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:04:34,802 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/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 [2018-11-28 12:04:34,817 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 12:04:34,901 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 12:04:34,901 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 12:04:34,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:04:35,013 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 12:04:35,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:04:35,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 12:04:35,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:04:35,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:04:35,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:04:35,032 INFO L87 Difference]: Start difference. First operand 914 states and 1076 transitions. Second operand 14 states. [2018-11-28 12:04:36,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:36,210 INFO L93 Difference]: Finished difference Result 2385 states and 2925 transitions. [2018-11-28 12:04:36,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 12:04:36,211 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 226 [2018-11-28 12:04:36,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:36,216 INFO L225 Difference]: With dead ends: 2385 [2018-11-28 12:04:36,216 INFO L226 Difference]: Without dead ends: 1619 [2018-11-28 12:04:36,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2018-11-28 12:04:36,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2018-11-28 12:04:36,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1591. [2018-11-28 12:04:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1591 states. [2018-11-28 12:04:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 1838 transitions. [2018-11-28 12:04:36,281 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 1838 transitions. Word has length 226 [2018-11-28 12:04:36,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:36,282 INFO L480 AbstractCegarLoop]: Abstraction has 1591 states and 1838 transitions. [2018-11-28 12:04:36,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:04:36,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 1838 transitions. [2018-11-28 12:04:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-28 12:04:36,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:04:36,285 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] [2018-11-28 12:04:36,285 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:04:36,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:04:36,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1597277171, now seen corresponding path program 1 times [2018-11-28 12:04:36,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:04:36,286 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:04:36,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:36,286 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:04:36,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:04:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:36,374 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-28 12:04:36,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:04:36,374 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/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 [2018-11-28 12:04:36,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:04:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:04:36,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:04:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-28 12:04:36,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:04:36,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 12:04:36,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 12:04:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 12:04:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:04:36,539 INFO L87 Difference]: Start difference. First operand 1591 states and 1838 transitions. Second operand 13 states. [2018-11-28 12:04:36,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:04:36,592 INFO L93 Difference]: Finished difference Result 2185 states and 2514 transitions. [2018-11-28 12:04:36,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:04:36,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-11-28 12:04:36,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:04:36,594 INFO L225 Difference]: With dead ends: 2185 [2018-11-28 12:04:36,594 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:04:36,596 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 [2018-11-28 12:04:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:04:36,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:04:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:04:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:04:36,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-28 12:04:36,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:04:36,597 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:04:36,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 12:04:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:04:36,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:04:36,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:04:36,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:36,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:04:37,296 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2018-11-28 12:04:37,674 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2018-11-28 12:04:38,708 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 41 [2018-11-28 12:04:39,043 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 729 735) the Hoare annotation is: true [2018-11-28 12:04:39,043 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 729 735) no Hoare annotation was computed. [2018-11-28 12:04:39,043 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-28 12:04:39,043 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 736 744) the Hoare annotation is: true [2018-11-28 12:04:39,043 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-28 12:04:39,043 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-28 12:04:39,043 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 859 883) the Hoare annotation is: true [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 859 883) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L871(lines 871 877) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 880) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 859 883) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,044 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,045 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 688 706) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point L697-2(lines 697 701) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 688 706) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 688 706) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 722 728) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 722 728) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-28 12:04:39,045 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 835 848) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 835 848) the Hoare annotation is: true [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 835 848) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 593) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 572 596) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 572 596) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or (< ~waterLevel~0 2) .cse0)))) [2018-11-28 12:04:39,046 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse0) (or .cse1 (or (< ~waterLevel~0 2) .cse0)))) [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 572 596) no Hoare annotation was computed. [2018-11-28 12:04:39,046 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 .cse0 .cse1 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 12:04:39,046 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 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point L580(lines 580 588) no Hoare annotation was computed. [2018-11-28 12:04:39,046 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 .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 12:04:39,046 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 512 518) no Hoare annotation was computed. [2018-11-28 12:04:39,046 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 512 518) the Hoare annotation is: true [2018-11-28 12:04:39,046 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:04:39,047 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-11-28 12:04:39,047 INFO L444 ceAbstractionStarter]: At program point L432(line 432) 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)))) [2018-11-28 12:04:39,047 INFO L444 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-28 12:04:39,047 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))) [2018-11-28 12:04:39,047 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-28 12:04:39,048 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 (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 849 857) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 849 857) the Hoare annotation is: true [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 849 857) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:04:39,048 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)) [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 597 604) no Hoare annotation was computed. [2018-11-28 12:04:39,048 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 597 604) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 597 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 12:04:39,049 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 826 834) the Hoare annotation is: true [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 826 834) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 826 834) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-28 12:04:39,049 INFO L448 ceAbstractionStarter]: For program point L786-1(lines 782 793) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 782 793) the Hoare annotation is: (let ((.cse1 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (not .cse1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or (or .cse7 .cse2 .cse6) .cse5) (or .cse4 .cse1 .cse7 .cse2)))) [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 782 793) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 794 802) the Hoare annotation is: true [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 794 802) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 794 802) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-11-28 12:04:39,050 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-28 12:04:39,050 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-28 12:04:39,050 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-28 12:04:39,050 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-28 12:04:39,051 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-28 12:04:39,051 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-28 12:04:39,051 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-28 12:04:39,051 INFO L444 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not .cse2)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= ~systemActive~0 1)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (and .cse5 .cse10 .cse11 .cse8 .cse12 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (let ((.cse13 (+ ~waterLevel~0 1))) (and (<= .cse13 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse13) .cse9))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse6 (and (= 0 ~methaneLevelCritical~0) .cse10 .cse11 .cse8 .cse12 .cse9))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (or .cse1 .cse3 .cse4 .cse5) .cse6) (or (or .cse2 .cse3 .cse4) .cse0 .cse7) (or .cse1 .cse4 (and .cse8 .cse9) (not (= |old(~waterLevel~0)| 1))) (or .cse7 (or .cse3 .cse4 .cse5) .cse6))))) [2018-11-28 12:04:39,051 INFO L444 ceAbstractionStarter]: At program point L499(lines 499 505) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (or (< |old(~waterLevel~0)| 2) .cse0) .cse1 (let ((.cse2 (+ ~waterLevel~0 1))) (and (<= .cse2 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| .cse2)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 12:04:39,051 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 511) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (< |old(~waterLevel~0)| 2) .cse0) .cse1))) [2018-11-28 12:04:39,051 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))) [2018-11-28 12:04:39,051 INFO L448 ceAbstractionStarter]: For program point L492(lines 491 510) no Hoare annotation was computed. [2018-11-28 12:04:39,051 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 511) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 511) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 758 769) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2) (not (= ~systemActive~0 1)))) [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 758 769) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point L762-1(lines 758 769) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 12:04:39,052 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:04:39,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:04:39,052 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 520 544) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 520 544) no Hoare annotation was computed. [2018-11-28 12:04:39,053 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))) [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point L539-1(lines 520 544) no Hoare annotation was computed. [2018-11-28 12:04:39,053 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:04:39,053 INFO L444 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 1) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 536) no Hoare annotation was computed. [2018-11-28 12:04:39,053 INFO L444 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 541) no Hoare annotation was computed. [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 770 781) no Hoare annotation was computed. [2018-11-28 12:04:39,053 INFO L448 ceAbstractionStarter]: For program point L774-1(lines 770 781) no Hoare annotation was computed. [2018-11-28 12:04:39,054 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 770 781) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 12:04:39,054 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 746 753) no Hoare annotation was computed. [2018-11-28 12:04:39,054 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2018-11-28 12:04:39,054 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 746 753) the Hoare annotation is: true [2018-11-28 12:04:39,054 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 746 753) no Hoare annotation was computed. [2018-11-28 12:04:39,054 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 546 570) no Hoare annotation was computed. [2018-11-28 12:04:39,054 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 546 570) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-28 12:04:39,054 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2)) (or (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse0))) [2018-11-28 12:04:39,054 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 546 570) no Hoare annotation was computed. [2018-11-28 12:04:39,054 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 (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:04:39,055 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 (and (= processEnvironment__wrappee__lowWaterSensor_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:04:39,055 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 562) no Hoare annotation was computed. [2018-11-28 12:04:39,055 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 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 12:04:39,055 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-11-28 12:04:39,055 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-11-28 12:04:39,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:04:39 BoogieIcfgContainer [2018-11-28 12:04:39,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:04:39,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:04:39,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:04:39,067 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:04:39,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:04:30" (3/4) ... [2018-11-28 12:04:39,070 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:04:39,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:04:39,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:04:39,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:04:39,077 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:04:39,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:04:39,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:04:39,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:04:39,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:04:39,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 12:04:39,086 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 12:04:39,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:04:39,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:04:39,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:04:39,088 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:04:39,088 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:04:39,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:04:39,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:04:39,140 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d051f21-8315-4ae5-a63a-303885e3532b/bin-2019/uautomizer/witness.graphml [2018-11-28 12:04:39,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:04:39,141 INFO L168 Benchmark]: Toolchain (without parser) took 10032.66 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 405.8 MB). Free memory was 948.6 MB in the beginning and 930.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 424.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,142 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:04:39,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:04:39,142 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,142 INFO L168 Benchmark]: RCFGBuilder took 549.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,143 INFO L168 Benchmark]: TraceAbstraction took 9007.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 941.8 MB in the end (delta: 137.1 MB). Peak memory consumption was 535.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,143 INFO L168 Benchmark]: Witness Printer took 74.04 ms. Allocated memory is still 1.4 GB. Free memory was 941.8 MB in the beginning and 930.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:04:39,144 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -185.9 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 549.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9007.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 941.8 MB in the end (delta: 137.1 MB). Peak memory consumption was 535.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.04 ms. Allocated memory is still 1.4 GB. Free memory was 941.8 MB in the beginning and 930.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 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: ((((!(0 == \old(pumpRunning)) || (2 <= waterLevel && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\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, 8.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2182 SDtfs, 1866 SDslu, 7368 SDs, 0 SdLazy, 5147 SolverSat, 803 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1042 GetRequests, 905 SyntacticMatches, 5 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1591occurred 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, 304 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2465 PreInvPairs, 2558 NumberOfFragments, 1423 HoareAnnotationTreeSize, 2465 FomulaSimplifications, 4598 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 11851 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2312 NumberOfCodeBlocks, 2312 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2295 ConstructedInterpolants, 0 QuantifiedInterpolants, 520703 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4500 ConjunctsInSsa, 49 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...