./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_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_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/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 edf277e8e45bc51905c3746c53b47e5f504df38a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:55:41,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:55:41,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:55:41,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:55:41,608 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:55:41,609 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:55:41,610 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:55:41,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:55:41,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:55:41,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:55:41,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:55:41,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:55:41,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:55:41,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:55:41,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:55:41,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:55:41,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:55:41,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:55:41,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:55:41,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:55:41,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:55:41,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:55:41,622 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:55:41,622 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:55:41,622 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:55:41,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:55:41,623 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:55:41,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:55:41,624 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:55:41,625 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:55:41,625 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:55:41,625 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:55:41,625 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:55:41,626 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:55:41,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:55:41,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:55:41,627 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 13:55:41,637 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:55:41,637 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:55:41,638 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:55:41,638 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 13:55:41,638 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 13:55:41,639 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:55:41,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:55:41,640 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:55:41,641 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:55:41,641 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:55:41,641 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 13:55:41,641 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:55:41,641 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 13:55:41,641 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:55:41,642 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:55:41,642 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:55:41,642 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:55:41,642 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 13:55:41,642 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:55:41,642 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:55:41,642 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_4e4da498-82ac-4396-b1cd-5eeae12571ff/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-12-08 13:55:41,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:55:41,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:55:41,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:55:41,675 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:55:41,675 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:55:41,676 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-08 13:55:41,720 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/data/543f6eafe/a840755a531d41e1aa673b4a7195c2d8/FLAG75e1c9cc7 [2018-12-08 13:55:42,132 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:55:42,132 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-08 13:55:42,138 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/data/543f6eafe/a840755a531d41e1aa673b4a7195c2d8/FLAG75e1c9cc7 [2018-12-08 13:55:42,148 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/data/543f6eafe/a840755a531d41e1aa673b4a7195c2d8 [2018-12-08 13:55:42,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:55:42,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:55:42,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:55:42,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:55:42,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:55:42,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42, skipping insertion in model container [2018-12-08 13:55:42,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:55:42,192 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:55:42,341 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:55:42,387 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:55:42,426 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:55:42,441 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:55:42,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42 WrapperNode [2018-12-08 13:55:42,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:55:42,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:55:42,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:55:42,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:55:42,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:55:42,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:55:42,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:55:42,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:55:42,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... [2018-12-08 13:55:42,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:55:42,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:55:42,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:55:42,483 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:55:42,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 13:55:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 13:55:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 13:55:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 13:55:42,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 13:55:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 13:55:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 13:55:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 13:55:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 13:55:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 13:55:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 13:55:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 13:55:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 13:55:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 13:55:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 13:55:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 13:55:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 13:55:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 13:55:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 13:55:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 13:55:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 13:55:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 13:55:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 13:55:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 13:55:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 13:55:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 13:55:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 13:55:42,519 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 13:55:42,520 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 13:55:42,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 13:55:42,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:55:42,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:55:42,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-08 13:55:42,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-08 13:55:42,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:55:42,836 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 13:55:42,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:42 BoogieIcfgContainer [2018-12-08 13:55:42,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:55:42,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 13:55:42,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 13:55:42,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 13:55:42,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 01:55:42" (1/3) ... [2018-12-08 13:55:42,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d8313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:55:42, skipping insertion in model container [2018-12-08 13:55:42,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:55:42" (2/3) ... [2018-12-08 13:55:42,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d8313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 01:55:42, skipping insertion in model container [2018-12-08 13:55:42,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:42" (3/3) ... [2018-12-08 13:55:42,841 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-08 13:55:42,847 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 13:55:42,853 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 13:55:42,862 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 13:55:42,879 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 13:55:42,879 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 13:55:42,879 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 13:55:42,879 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 13:55:42,880 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 13:55:42,880 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 13:55:42,880 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 13:55:42,880 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 13:55:42,880 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 13:55:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-08 13:55:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 13:55:42,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:42,897 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:42,899 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:42,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:42,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-12-08 13:55:42,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:42,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:42,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:42,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:42,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:43,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:43,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 13:55:43,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 13:55:43,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 13:55:43,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 13:55:43,082 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-08 13:55:43,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:43,105 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-08 13:55:43,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 13:55:43,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 13:55:43,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:43,113 INFO L225 Difference]: With dead ends: 280 [2018-12-08 13:55:43,113 INFO L226 Difference]: Without dead ends: 140 [2018-12-08 13:55:43,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 13:55:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-08 13:55:43,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-08 13:55:43,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-08 13:55:43,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-12-08 13:55:43,146 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-12-08 13:55:43,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:43,146 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-12-08 13:55:43,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 13:55:43,147 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-12-08 13:55:43,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 13:55:43,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:43,148 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:43,149 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:43,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:43,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-12-08 13:55:43,149 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:43,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:43,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:43,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:43,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:43,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:43,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 13:55:43,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 13:55:43,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 13:55:43,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:55:43,203 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-12-08 13:55:43,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:43,216 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-12-08 13:55:43,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 13:55:43,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 13:55:43,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:43,217 INFO L225 Difference]: With dead ends: 229 [2018-12-08 13:55:43,217 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 13:55:43,218 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 13:55:43,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 13:55:43,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 13:55:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 13:55:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-08 13:55:43,226 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-12-08 13:55:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:43,226 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-08 13:55:43,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 13:55:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-08 13:55:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 13:55:43,227 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:43,227 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:43,228 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:43,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:43,228 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-12-08 13:55:43,228 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:43,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:43,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:43,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:43,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:43,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 13:55:43,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 13:55:43,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 13:55:43,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:55:43,313 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-12-08 13:55:43,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:43,469 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-08 13:55:43,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 13:55:43,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-08 13:55:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:43,470 INFO L225 Difference]: With dead ends: 238 [2018-12-08 13:55:43,470 INFO L226 Difference]: Without dead ends: 131 [2018-12-08 13:55:43,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 13:55:43,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-08 13:55:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-08 13:55:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-08 13:55:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-12-08 13:55:43,478 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-12-08 13:55:43,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:43,478 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-12-08 13:55:43,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 13:55:43,479 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-12-08 13:55:43,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 13:55:43,480 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:43,480 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] [2018-12-08 13:55:43,480 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:43,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:43,480 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-12-08 13:55:43,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:43,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:43,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:43,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:43,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:43,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 13:55:43,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 13:55:43,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 13:55:43,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 13:55:43,544 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-12-08 13:55:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:43,819 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-12-08 13:55:43,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 13:55:43,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-08 13:55:43,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:43,821 INFO L225 Difference]: With dead ends: 334 [2018-12-08 13:55:43,821 INFO L226 Difference]: Without dead ends: 227 [2018-12-08 13:55:43,822 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:55:43,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-08 13:55:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-08 13:55:43,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-08 13:55:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-08 13:55:43,837 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-12-08 13:55:43,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:43,837 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-08 13:55:43,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 13:55:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-08 13:55:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 13:55:43,838 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:43,838 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] [2018-12-08 13:55:43,838 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:43,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-12-08 13:55:43,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:43,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:43,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:43,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:43,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:43,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:55:43,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:55:43,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:55:43,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:55:43,908 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-08 13:55:44,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:44,003 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-12-08 13:55:44,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:55:44,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-08 13:55:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:44,006 INFO L225 Difference]: With dead ends: 564 [2018-12-08 13:55:44,006 INFO L226 Difference]: Without dead ends: 379 [2018-12-08 13:55:44,007 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 [2018-12-08 13:55:44,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-08 13:55:44,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-12-08 13:55:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-08 13:55:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-12-08 13:55:44,026 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-12-08 13:55:44,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:44,027 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-12-08 13:55:44,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:55:44,027 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-12-08 13:55:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 13:55:44,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:44,028 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] [2018-12-08 13:55:44,028 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:44,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:44,028 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-12-08 13:55:44,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:44,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:44,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:44,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:44,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 13:55:44,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 13:55:44,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 13:55:44,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 13:55:44,079 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-12-08 13:55:44,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:44,369 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-12-08 13:55:44,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 13:55:44,370 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-08 13:55:44,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:44,372 INFO L225 Difference]: With dead ends: 406 [2018-12-08 13:55:44,372 INFO L226 Difference]: Without dead ends: 403 [2018-12-08 13:55:44,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 13:55:44,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-08 13:55:44,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-12-08 13:55:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-08 13:55:44,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-12-08 13:55:44,397 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-12-08 13:55:44,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:44,398 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-12-08 13:55:44,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 13:55:44,398 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-12-08 13:55:44,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 13:55:44,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:44,400 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] [2018-12-08 13:55:44,400 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:44,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:44,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-12-08 13:55:44,401 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:44,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:44,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:55:44,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:44,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 13:55:44,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 13:55:44,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 13:55:44,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 13:55:44,463 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-12-08 13:55:44,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:44,489 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-12-08 13:55:44,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 13:55:44,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-08 13:55:44,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:44,491 INFO L225 Difference]: With dead ends: 736 [2018-12-08 13:55:44,492 INFO L226 Difference]: Without dead ends: 387 [2018-12-08 13:55:44,492 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 [2018-12-08 13:55:44,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-12-08 13:55:44,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-12-08 13:55:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-12-08 13:55:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-12-08 13:55:44,505 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-12-08 13:55:44,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:44,505 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-12-08 13:55:44,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 13:55:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-12-08 13:55:44,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 13:55:44,506 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:44,506 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] [2018-12-08 13:55:44,506 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:44,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:44,507 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-12-08 13:55:44,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:44,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:44,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:55:44,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:44,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 13:55:44,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 13:55:44,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 13:55:44,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 13:55:44,560 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-12-08 13:55:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:44,590 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-12-08 13:55:44,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 13:55:44,591 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-08 13:55:44,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:44,593 INFO L225 Difference]: With dead ends: 756 [2018-12-08 13:55:44,593 INFO L226 Difference]: Without dead ends: 397 [2018-12-08 13:55:44,594 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 [2018-12-08 13:55:44,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-08 13:55:44,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-12-08 13:55:44,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-12-08 13:55:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-12-08 13:55:44,612 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-12-08 13:55:44,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:44,612 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-12-08 13:55:44,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 13:55:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-12-08 13:55:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 13:55:44,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:44,614 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] [2018-12-08 13:55:44,614 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:44,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:44,614 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-12-08 13:55:44,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:44,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:44,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:55:44,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:44,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 13:55:44,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 13:55:44,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 13:55:44,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 13:55:44,679 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-12-08 13:55:44,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:44,793 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-12-08 13:55:44,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 13:55:44,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-08 13:55:44,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:44,796 INFO L225 Difference]: With dead ends: 1153 [2018-12-08 13:55:44,796 INFO L226 Difference]: Without dead ends: 786 [2018-12-08 13:55:44,796 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 [2018-12-08 13:55:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-12-08 13:55:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-12-08 13:55:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-08 13:55:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-12-08 13:55:44,820 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-12-08 13:55:44,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:44,820 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-12-08 13:55:44,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 13:55:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-12-08 13:55:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 13:55:44,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:44,821 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] [2018-12-08 13:55:44,822 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:44,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:44,822 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-12-08 13:55:44,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:44,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:44,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 13:55:44,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:55:44,885 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:55:44,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:44,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:55:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:55:45,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 13:55:45,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 13:55:45,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 13:55:45,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 13:55:45,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 13:55:45,119 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2018-12-08 13:55:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:45,652 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2018-12-08 13:55:45,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 13:55:45,652 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-12-08 13:55:45,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:45,655 INFO L225 Difference]: With dead ends: 1488 [2018-12-08 13:55:45,655 INFO L226 Difference]: Without dead ends: 741 [2018-12-08 13:55:45,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 13:55:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-12-08 13:55:45,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-12-08 13:55:45,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-12-08 13:55:45,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2018-12-08 13:55:45,695 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2018-12-08 13:55:45,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:45,696 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2018-12-08 13:55:45,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 13:55:45,696 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2018-12-08 13:55:45,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 13:55:45,699 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:45,699 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:45,699 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:45,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:45,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-12-08 13:55:45,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:45,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:45,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:45,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:45,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 13:55:45,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 13:55:45,796 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 13:55:45,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:45,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:55:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 13:55:45,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 13:55:45,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-08 13:55:45,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 13:55:45,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 13:55:45,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 13:55:45,957 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 14 states. [2018-12-08 13:55:46,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:46,876 INFO L93 Difference]: Finished difference Result 2227 states and 2899 transitions. [2018-12-08 13:55:46,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 13:55:46,876 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-12-08 13:55:46,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:46,880 INFO L225 Difference]: With dead ends: 2227 [2018-12-08 13:55:46,881 INFO L226 Difference]: Without dead ends: 1630 [2018-12-08 13:55:46,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-08 13:55:46,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2018-12-08 13:55:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1397. [2018-12-08 13:55:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-12-08 13:55:46,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1625 transitions. [2018-12-08 13:55:46,929 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1625 transitions. Word has length 155 [2018-12-08 13:55:46,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:46,930 INFO L480 AbstractCegarLoop]: Abstraction has 1397 states and 1625 transitions. [2018-12-08 13:55:46,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 13:55:46,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1625 transitions. [2018-12-08 13:55:46,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-08 13:55:46,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 13:55:46,931 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 13:55:46,931 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 13:55:46,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:55:46,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-12-08 13:55:46,932 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 13:55:46,932 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 13:55:46,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:46,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 13:55:46,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 13:55:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:55:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 13:55:46,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 13:55:46,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 13:55:47,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 13:55:47,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 13:55:47,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 13:55:47,000 INFO L87 Difference]: Start difference. First operand 1397 states and 1625 transitions. Second operand 9 states. [2018-12-08 13:55:47,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 13:55:47,045 INFO L93 Difference]: Finished difference Result 1783 states and 2075 transitions. [2018-12-08 13:55:47,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 13:55:47,045 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-08 13:55:47,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 13:55:47,046 INFO L225 Difference]: With dead ends: 1783 [2018-12-08 13:55:47,046 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 13:55:47,048 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 13:55:47,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 13:55:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 13:55:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 13:55:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 13:55:47,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-08 13:55:47,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 13:55:47,049 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 13:55:47,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 13:55:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 13:55:47,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:55:47,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 13:55:47,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 13:55:47,411 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2018-12-08 13:55:47,771 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-12-08 13:55:48,609 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2018-12-08 13:55:48,948 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,948 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-12-08 13:55:48,948 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,949 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,949 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-12-08 13:55:48,949 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-12-08 13:55:48,949 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or (or (< ~waterLevel~0 2) .cse3 .cse5) .cse4))) [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-12-08 13:55:48,950 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse2) (not (= ~systemActive~0 1)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 13:55:48,951 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-12-08 13:55:48,951 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,952 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-12-08 13:55:48,952 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-12-08 13:55:48,952 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (or (< ~waterLevel~0 2) .cse2 .cse3)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2))) [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-12-08 13:55:48,953 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-12-08 13:55:48,953 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse1 (and .cse2 .cse7) .cse3 .cse8 .cse5) (or (or .cse1 .cse4 .cse3 .cse5) .cse2) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or (or .cse0 .cse4 .cse3) .cse6)))) [2018-12-08 13:55:48,953 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9 .cse10)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse10)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse9) (or .cse8 .cse3 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2))))) [2018-12-08 13:55:48,954 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6 .cse4))) [2018-12-08 13:55:48,954 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 13:55:48,954 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)) [2018-12-08 13:55:48,954 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 13:55:48,954 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-08 13:55:48,954 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse1 .cse3)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 .cse3 .cse5) (or .cse2 .cse6 (< |old(~waterLevel~0)| 1) .cse5) (or .cse0 .cse6 .cse4 .cse2)))) [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-12-08 13:55:48,955 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-08 13:55:48,955 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-08 13:55:48,956 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-08 13:55:48,956 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-08 13:55:48,956 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-08 13:55:48,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 01:55:48 BoogieIcfgContainer [2018-12-08 13:55:48,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 13:55:48,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:55:48,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:55:48,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:55:48,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:55:42" (3/4) ... [2018-12-08 13:55:48,966 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 13:55:48,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 13:55:48,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 13:55:48,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-08 13:55:48,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 13:55:48,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 13:55:48,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 13:55:48,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:55:48,976 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:55:48,977 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 13:55:48,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 13:55:48,993 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 13:55:49,015 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e4da498-82ac-4396-b1cd-5eeae12571ff/bin-2019/uautomizer/witness.graphml [2018-12-08 13:55:49,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:55:49,015 INFO L168 Benchmark]: Toolchain (without parser) took 6864.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -211.8 MB). Peak memory consumption was 79.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: RCFGBuilder took 353.82 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: TraceAbstraction took 6125.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -130.1 MB). Peak memory consumption was 336.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,016 INFO L168 Benchmark]: Witness Printer took 51.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:55:49,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 353.82 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6125.84 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 178.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -130.1 MB). Peak memory consumption was 336.4 MB. Max. memory is 11.5 GB. * Witness Printer took 51.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2150 SDtfs, 1787 SDslu, 6673 SDs, 0 SdLazy, 3691 SolverSat, 708 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 301 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1397occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 312 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1979 PreInvPairs, 2048 NumberOfFragments, 1918 HoareAnnotationTreeSize, 1979 FomulaSimplifications, 5671 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 63 FomulaSimplificationsInter, 7049 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1331 NumberOfCodeBlocks, 1331 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 238300 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1597 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 111/117 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...