./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/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 bf50661cace84e24af5f399094bd98fed0ff7444 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:09:14,560 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:09:14,561 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:09:14,567 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:09:14,567 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:09:14,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:09:14,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:09:14,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:09:14,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:09:14,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:09:14,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:09:14,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:09:14,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:09:14,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:09:14,572 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:09:14,572 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:09:14,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:09:14,574 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:09:14,575 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:09:14,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:09:14,576 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:09:14,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:09:14,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:09:14,578 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:09:14,578 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:09:14,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:09:14,579 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:09:14,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:09:14,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:09:14,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:09:14,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:09:14,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:09:14,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:09:14,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:09:14,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:09:14,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:09:14,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 17:09:14,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:09:14,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:09:14,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:09:14,589 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:09:14,590 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 17:09:14,590 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:09:14,590 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:09:14,591 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:09:14,591 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:09:14,592 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:09:14,592 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:09:14,592 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:09:14,592 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 17:09:14,592 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:09:14,592 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:09:14,592 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_70449f15-ef9d-464b-80a8-238aae9bbece/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 -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-12-02 17:09:14,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:09:14,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:09:14,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:09:14,619 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:09:14,620 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:09:14,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-02 17:09:14,656 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/data/f27b7dc02/6b2acf3620534b2c9e59c4b0932d4e3e/FLAGd32a62be0 [2018-12-02 17:09:15,106 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:09:15,107 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-02 17:09:15,113 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/data/f27b7dc02/6b2acf3620534b2c9e59c4b0932d4e3e/FLAGd32a62be0 [2018-12-02 17:09:15,122 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/data/f27b7dc02/6b2acf3620534b2c9e59c4b0932d4e3e [2018-12-02 17:09:15,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:09:15,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:09:15,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:15,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:09:15,127 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:09:15,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15, skipping insertion in model container [2018-12-02 17:09:15,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:09:15,154 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:09:15,304 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:15,352 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:09:15,393 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:15,409 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:09:15,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15 WrapperNode [2018-12-02 17:09:15,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:15,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:15,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:09:15,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:09:15,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:15,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:09:15,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:09:15,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:09:15,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... [2018-12-02 17:09:15,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:09:15,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:09:15,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:09:15,453 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:09:15,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:09:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 17:09:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 17:09:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:09:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:09:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 17:09:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 17:09:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:09:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 17:09:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 17:09:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 17:09:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 17:09:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 17:09:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 17:09:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:09:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:09:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 17:09:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 17:09:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 17:09:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 17:09:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 17:09:15,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 17:09:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 17:09:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 17:09:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 17:09:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 17:09:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:09:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:09:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:09:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:09:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:09:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:09:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 17:09:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 17:09:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:09:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:09:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:09:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:09:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 17:09:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 17:09:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 17:09:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 17:09:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:09:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:09:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 17:09:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 17:09:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 17:09:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 17:09:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 17:09:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 17:09:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:09:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:09:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:09:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:09:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:09:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:09:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:09:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 17:09:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 17:09:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:09:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:09:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 17:09:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 17:09:15,789 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:09:15,789 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 17:09:15,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:15 BoogieIcfgContainer [2018-12-02 17:09:15,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:09:15,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:09:15,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:09:15,793 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:09:15,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:09:15" (1/3) ... [2018-12-02 17:09:15,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1cbd03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:09:15, skipping insertion in model container [2018-12-02 17:09:15,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:15" (2/3) ... [2018-12-02 17:09:15,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1cbd03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:09:15, skipping insertion in model container [2018-12-02 17:09:15,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:15" (3/3) ... [2018-12-02 17:09:15,796 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-12-02 17:09:15,804 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:09:15,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:09:15,824 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:09:15,841 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:09:15,842 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:09:15,842 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:09:15,842 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:09:15,842 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:09:15,842 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:09:15,842 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:09:15,842 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:09:15,842 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:09:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-02 17:09:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:09:15,859 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:15,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:15,861 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:15,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:15,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-12-02 17:09:15,866 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:15,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:15,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:15,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:15,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:16,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:16,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:09:16,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:09:16,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:09:16,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:09:16,036 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-02 17:09:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:16,061 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-12-02 17:09:16,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:09:16,061 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 17:09:16,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:16,070 INFO L225 Difference]: With dead ends: 300 [2018-12-02 17:09:16,070 INFO L226 Difference]: Without dead ends: 150 [2018-12-02 17:09:16,072 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:09:16,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-02 17:09:16,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-02 17:09:16,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-02 17:09:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-12-02 17:09:16,104 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-12-02 17:09:16,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:16,104 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-12-02 17:09:16,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:09:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-12-02 17:09:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:09:16,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:16,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:16,106 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:16,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:16,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-12-02 17:09:16,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:16,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:16,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:16,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:16,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:16,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:09:16,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:09:16,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:09:16,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:09:16,172 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-12-02 17:09:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:16,190 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-12-02 17:09:16,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:09:16,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 17:09:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:16,193 INFO L225 Difference]: With dead ends: 249 [2018-12-02 17:09:16,193 INFO L226 Difference]: Without dead ends: 141 [2018-12-02 17:09:16,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:09:16,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-02 17:09:16,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-02 17:09:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-02 17:09:16,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-12-02 17:09:16,205 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-12-02 17:09:16,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:16,205 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-12-02 17:09:16,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:09:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-12-02 17:09:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 17:09:16,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:16,207 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:16,207 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:16,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:16,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-12-02 17:09:16,207 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:16,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:16,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:16,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:16,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:16,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:09:16,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:09:16,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:09:16,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:09:16,299 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-12-02 17:09:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:16,480 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-12-02 17:09:16,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:09:16,481 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 17:09:16,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:16,482 INFO L225 Difference]: With dead ends: 258 [2018-12-02 17:09:16,482 INFO L226 Difference]: Without dead ends: 141 [2018-12-02 17:09:16,483 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:09:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-02 17:09:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-02 17:09:16,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-02 17:09:16,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-12-02 17:09:16,493 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-12-02 17:09:16,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:16,493 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-12-02 17:09:16,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:09:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-12-02 17:09:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 17:09:16,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:16,495 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:16,495 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:16,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:16,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-12-02 17:09:16,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:16,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:16,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:16,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:16,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:16,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:09:16,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:09:16,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:09:16,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:09:16,557 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-12-02 17:09:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:16,898 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-12-02 17:09:16,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:09:16,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-02 17:09:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:16,900 INFO L225 Difference]: With dead ends: 367 [2018-12-02 17:09:16,900 INFO L226 Difference]: Without dead ends: 250 [2018-12-02 17:09:16,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:09:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-12-02 17:09:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-12-02 17:09:16,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-12-02 17:09:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-12-02 17:09:16,915 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-12-02 17:09:16,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:16,916 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-12-02 17:09:16,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:09:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-12-02 17:09:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 17:09:16,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:16,917 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:16,917 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:16,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:16,917 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-12-02 17:09:16,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:16,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:16,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:16,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:16,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:16,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:09:16,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:09:16,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:09:16,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:09:16,967 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-12-02 17:09:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:16,998 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-12-02 17:09:16,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:09:16,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-02 17:09:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:17,000 INFO L225 Difference]: With dead ends: 447 [2018-12-02 17:09:17,000 INFO L226 Difference]: Without dead ends: 239 [2018-12-02 17:09:17,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:09:17,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-12-02 17:09:17,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-12-02 17:09:17,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-12-02 17:09:17,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-12-02 17:09:17,012 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-12-02 17:09:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:17,012 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-12-02 17:09:17,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:09:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-12-02 17:09:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 17:09:17,013 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:17,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:17,013 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:17,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:17,013 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-12-02 17:09:17,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:17,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:17,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:17,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:17,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:17,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:09:17,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:09:17,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:09:17,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:09:17,070 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-12-02 17:09:17,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:17,171 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-12-02 17:09:17,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:09:17,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-02 17:09:17,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:17,174 INFO L225 Difference]: With dead ends: 645 [2018-12-02 17:09:17,174 INFO L226 Difference]: Without dead ends: 433 [2018-12-02 17:09:17,175 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:09:17,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-12-02 17:09:17,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-12-02 17:09:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-12-02 17:09:17,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-12-02 17:09:17,199 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-12-02 17:09:17,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:17,200 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-12-02 17:09:17,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:09:17,200 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-12-02 17:09:17,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 17:09:17,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:17,201 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:17,201 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:17,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:17,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-12-02 17:09:17,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:17,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:17,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:17,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:17,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:17,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:09:17,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:09:17,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:09:17,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:09:17,276 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-12-02 17:09:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:17,584 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-12-02 17:09:17,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 17:09:17,585 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-02 17:09:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:17,586 INFO L225 Difference]: With dead ends: 460 [2018-12-02 17:09:17,587 INFO L226 Difference]: Without dead ends: 457 [2018-12-02 17:09:17,587 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:09:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-12-02 17:09:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-12-02 17:09:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-12-02 17:09:17,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-12-02 17:09:17,604 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-12-02 17:09:17,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:17,604 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-12-02 17:09:17,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:09:17,604 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-12-02 17:09:17,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 17:09:17,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:17,606 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:17,606 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:17,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-12-02 17:09:17,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:17,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:17,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:17,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:17,650 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:09:17,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:17,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:09:17,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:09:17,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:09:17,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:09:17,651 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-12-02 17:09:17,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:17,677 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-12-02 17:09:17,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:09:17,678 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-02 17:09:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:17,679 INFO L225 Difference]: With dead ends: 844 [2018-12-02 17:09:17,679 INFO L226 Difference]: Without dead ends: 441 [2018-12-02 17:09:17,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:09:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-12-02 17:09:17,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-12-02 17:09:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-02 17:09:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-12-02 17:09:17,706 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-12-02 17:09:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:17,707 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-12-02 17:09:17,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:09:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-12-02 17:09:17,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 17:09:17,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:17,709 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:17,709 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:17,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-12-02 17:09:17,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:17,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:17,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:17,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:09:17,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:09:17,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 17:09:17,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 17:09:17,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 17:09:17,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:09:17,763 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-12-02 17:09:17,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:17,908 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-12-02 17:09:17,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 17:09:17,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-02 17:09:17,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:17,912 INFO L225 Difference]: With dead ends: 1297 [2018-12-02 17:09:17,912 INFO L226 Difference]: Without dead ends: 884 [2018-12-02 17:09:17,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 17:09:17,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-12-02 17:09:17,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-12-02 17:09:17,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-12-02 17:09:17,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-12-02 17:09:17,953 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-12-02 17:09:17,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:17,953 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-12-02 17:09:17,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 17:09:17,954 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-12-02 17:09:17,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 17:09:17,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:17,955 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:17,955 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:17,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:17,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-12-02 17:09:17,956 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:17,956 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:17,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:17,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 17:09:18,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:18,043 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:18,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:18,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:18,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:18,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:09:18,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 17:09:18,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 17:09:18,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 17:09:18,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:09:18,235 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2018-12-02 17:09:18,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:18,895 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2018-12-02 17:09:18,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 17:09:18,896 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-02 17:09:18,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:18,898 INFO L225 Difference]: With dead ends: 1682 [2018-12-02 17:09:18,898 INFO L226 Difference]: Without dead ends: 837 [2018-12-02 17:09:18,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 17:09:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-12-02 17:09:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2018-12-02 17:09:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-12-02 17:09:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2018-12-02 17:09:18,923 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2018-12-02 17:09:18,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:18,923 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2018-12-02 17:09:18,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 17:09:18,923 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2018-12-02 17:09:18,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 17:09:18,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:09:18,925 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:09:18,925 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:09:18,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:18,926 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-12-02 17:09:18,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 17:09:18,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 17:09:18,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:18,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:18,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:09:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 17:09:19,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:09:19,017 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:09:19,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:09:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:19,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:09:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:09:19,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:09:19,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 17:09:19,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 17:09:19,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 17:09:19,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:09:19,238 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 19 states. [2018-12-02 17:09:19,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:09:19,747 INFO L93 Difference]: Finished difference Result 1397 states and 1636 transitions. [2018-12-02 17:09:19,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 17:09:19,747 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-12-02 17:09:19,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:09:19,748 INFO L225 Difference]: With dead ends: 1397 [2018-12-02 17:09:19,748 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:09:19,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 17:09:19,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:09:19,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:09:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:09:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:09:19,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-12-02 17:09:19,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:09:19,751 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:09:19,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 17:09:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:09:19,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:09:19,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:09:19,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:19,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:09:20,332 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-02 17:09:21,132 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-12-02 17:09:21,530 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-02 17:09:21,530 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-02 17:09:21,530 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-02 17:09:21,530 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-02 17:09:21,530 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-02 17:09:21,530 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,530 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-12-02 17:09:21,530 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,530 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,531 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-12-02 17:09:21,531 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-12-02 17:09:21,531 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-12-02 17:09:21,531 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,531 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,531 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,531 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-12-02 17:09:21,531 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 17:09:21,531 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 17:09:21,532 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-02 17:09:21,532 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 17:09:21,532 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 17:09:21,532 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-12-02 17:09:21,532 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-12-02 17:09:21,533 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-02 17:09:21,533 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-12-02 17:09:21,533 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-12-02 17:09:21,534 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-12-02 17:09:21,534 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-12-02 17:09:21,534 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-12-02 17:09:21,535 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-12-02 17:09:21,535 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 17:09:21,535 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 17:09:21,536 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-12-02 17:09:21,536 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-12-02 17:09:21,537 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-12-02 17:09:21,538 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-12-02 17:09:21,538 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 17:09:21,539 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-02 17:09:21,539 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-02 17:09:21,539 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-12-02 17:09:21,540 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-12-02 17:09:21,540 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-12-02 17:09:21,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:09:21 BoogieIcfgContainer [2018-12-02 17:09:21,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:09:21,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:09:21,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:09:21,550 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:09:21,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:15" (3/4) ... [2018-12-02 17:09:21,553 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:09:21,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 17:09:21,557 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 17:09:21,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 17:09:21,559 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 17:09:21,565 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 17:09:21,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 17:09:21,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 17:09:21,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:09:21,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:09:21,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:09:21,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-12-02 17:09:21,585 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 17:09:21,616 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_70449f15-ef9d-464b-80a8-238aae9bbece/bin-2019/uautomizer/witness.graphml [2018-12-02 17:09:21,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:09:21,617 INFO L168 Benchmark]: Toolchain (without parser) took 6492.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 951.7 MB in the beginning and 938.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 227.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,617 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:09:21,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,617 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,617 INFO L168 Benchmark]: Boogie Preprocessor took 22.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:09:21,618 INFO L168 Benchmark]: RCFGBuilder took 337.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,618 INFO L168 Benchmark]: TraceAbstraction took 5758.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 115.9 MB). Free memory was 1.0 GB in the beginning and 946.3 MB in the end (delta: 84.3 MB). Peak memory consumption was 341.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,618 INFO L168 Benchmark]: Witness Printer took 66.64 ms. Allocated memory is still 1.2 GB. Free memory was 946.3 MB in the beginning and 938.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:09:21,619 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5758.78 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 115.9 MB). Free memory was 1.0 GB in the beginning and 946.3 MB in the end (delta: 84.3 MB). Peak memory consumption was 341.1 MB. Max. memory is 11.5 GB. * Witness Printer took 66.64 ms. Allocated memory is still 1.2 GB. Free memory was 946.3 MB in the beginning and 938.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2179 SDtfs, 1524 SDslu, 7920 SDs, 0 SdLazy, 3314 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1753 PreInvPairs, 1841 NumberOfFragments, 1651 HoareAnnotationTreeSize, 1753 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6713 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 214738 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 112/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...